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Ironman Triathlon

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For other uses, see Ironman.

Ironman Triathlon
Official Logo
Ironman 70.3 Budapest, 2014.

An Ironman Triathlon is one of a series of long-distance triathlon races organized by the World Triathlon Corporation (WTC), consisting of a 2.4-mile (3.9 km) swim, a 112-mile (180.2 km) bicycle ride and a marathon 26.22-mile (42.2 km) run completed in that order, a total of 140.6 miles (226.3 km). It is widely considered one of the most difficult one-day sporting events in the world.[1][2][3]

Most Ironman events have a time limit of 16 or 17 hours to complete the race, course dependent, with the race typically starting at 7:00 am. The mandatory cutoff time to complete the swim is 2 hours 20 minutes. The mandatory bike cut off time for when an athlete must have completed their swim, transition and bike varies generally between 10 hours and 10 hours 30 minutes from when an athlete began their swim. The mandatory run cutoff varies between 16 and 17 hours from when athlete began their swim. Many races will also have intermediate bike, run, and transition cut off times specific to each race venue. Any participant who completes the triathlon within these time constraints is designated an Ironman.

The name "Ironman Triathlon" is also associated with the original Ironman triathlon that is now the Ironman World Championship. Held in Kailua-Kona, the world championship has been held annually in Hawaii since 1978 (with an additional race in 1982). Originally taking place in Oahu, the race moved to Kailua-Kona in 1981 and it continues today.[4] The Ironman World Championship has become known for its grueling length, harsh race conditions, and television coverage.[5][6]

There are other races that are the same distance as an Ironman triathlon but are not produced, owned, or licensed by the WTC. They include The Challenge Family series' Challenge Roth[7] and the Norseman Triathlon.

The event series is owned by The Ironman Group, which is owned by Advance Publications, following the acquisition from the Wanda Sports Group in August 2020.[8]

History

[edit]
concrete tower
Aloha Tower was the original bike-to-run transition site

The idea for the original Ironman Triathlon arose during the awards ceremony for the 1977 Oʻahu Perimeter Relay.[9] Among the participants were representatives of both the Mid-Pacific Road Runners and the Waikiki Swim Club, whose members had long been debating which athletes were more fit, runners or swimmers. On this occasion, U.S. Navy Commander John Collins pointed out that a recent article in Sports Illustrated magazine had declared that Belgian cyclist Eddy Merckx had the highest recorded "oxygen uptake" of any athlete ever measured, so perhaps cyclists were more fit than anyone. Collins and his wife Judy Collins had taken part in the triathlons staged in 1974 and 1975 by the San Diego Track Club in and around Mission Bay, California, as well as the 1975 Optimist Sports Fiesta Triathlon in Coronado, California. A number of the other military athletes in attendance were also familiar with the San Diego races, so they understood the concept when Collins suggested that the debate should be settled through a race combining the three existing long-distance competitions already on the island: the Waikiki Roughwater Swim (2.4 mi or 3.9 km), the Around-Oahu Bike Race (115 mi or 185 km; originally a two-day event) and the Honolulu Marathon (26.219 mi or 42.195 km).[10]

Until that time, no one present had ever done the bike race. Collins figured by shaving 3 miles (4.8 km) off the course and riding counter-clockwise around the island, the bike leg could start at the finish of the Waikiki Rough Water and end at the Aloha Tower, the traditional start of the Honolulu Marathon. Prior to racing, each athlete received three sheets of paper listing a few rules and a course description. Handwritten on the last page was this exhortation: "Swim 2.4 miles! Bike 112 miles! Run 26.2 miles! Brag for the rest of your life", now a registered trademark.

With a nod to a local runner who was notorious for his demanding workouts, Collins said, "Whoever finishes first, we'll call him the Iron Man." Each of the racers had their own support crew to supply water, food and encouragement during the event.[11] Of the fifteen men to start off in the early morning on February 18, 1978, twelve completed the race. Gordon Haller, a U.S. Navy Communications Specialist, was the first to earn the title Ironman by completing the course with a time of 11 hours, 46 minutes, 58 seconds. The runner-up John Dunbar, a U.S. Navy SEAL, led after the second transition and had a chance to win but ran out of water on the marathon course; his support crew resorted to giving him beer instead.[4][12][13]

With no further marketing efforts, the race gathered as many as 50 athletes in 1979. The race, however, was postponed a day because of bad weather conditions. Only fifteen competitors started off the race Sunday morning. San Diego's Tom Warren won in 11 hours, 15 minutes, 56 seconds.[10] Lyn Lemaire, a championship cyclist from Boston, placed sixth overall and became the first "Ironwoman". Lemaire[14] finished her race in 12 hours 55 minutes and 38 seconds, only 1 hour 39 minutes and 42 seconds slower than the winning time for the men's race. Collins planned on changing the race into a relay event to draw more participants, but Sports Illustrated's journalist Barry McDermott, in the area to cover a golf tournament, discovered the race and wrote a ten-page account of it.[10][12] During the following year, hundreds of curious participants contacted Collins. In 1980 27-year old Dave Scott took the event by storm when he shattered the current record by close to 2 hours, completing the race in 9 hours and 24 minutes. For the 1981 event there were more than triple the entries, at 326.[15]

There have been 19 different ways to qualify for the Ironman. Some of the ways include being a Hawaii Resident who won an event drawing, attaining a win in your age group at a previous Ironman, or even having a "Human Interest Story." Such human interest stories include participants who are cancer survivors and war heroes injured in battle.[16]

Start and finish of the Ironman World Championship on Aliʻi Drive in Kailua-Kona Hawaii

Valerie Silk and WTC

[edit]

Around 1979 Collins no longer wanted to direct the Ironman race and approached Nautilus Fitness Center owners Hank Grundman and Valerie Silk about taking over control of the race. Grundman previously had extended his club's facilities to many of the Ironman competitors. Following the couple's divorce in 1981 Silk received ownership of Ironman.[17][18] That year she moved the competition to the less urbanized Hawaiʻi Island[10] (called the Big Island) and in 1982 moved the race date from February to October; as a result of this change there were two Ironman Triathlon events in 1982.

A milestone in the marketing of the legend and history of the race happened in February 1982. Julie Moss, a college student competing to gather research for her exercise physiology thesis, moved toward the finish line in first place. As she neared the finish, severe fatigue and dehydration set in and she fell, just yards away from the finish line. Although Kathleen McCartney passed her for the women's title, Moss nevertheless crawled to the finish line. Her performance was broadcast worldwide and created the Ironman mantra that just finishing is a victory. By the end of that year the race had maxed out at 1,000 participants, with a lottery used to fill the field while turning away another 1,000 interested participants.[18]

In 1990, with the help of Lew Friedland, Dr. James P. Gills acquired and purchased the Hawaii Triathlon Corporation, owner of the Ironman brand for $3 million from Silk. With the Ironman brand, Gills established the World Triathlon Corporation with the intention of furthering the sport of triathlon and increasing prize money for triathletes.[19][20][21]

A number of non-WTC full distance triathlons have been held since the mid-1990s. The limited number of WTC-sanctioned events, and the limited number of entries available per race, have combined with a growth in the sport that has created demand for these non-trademarked events. Many of them share the 2.4-mile (3.9 km), 112-mile (180 km), 26.2-mile (42.2 km) format with the Ironman triathlon. Originally, many used the Ironman name. Due to aggressive trademark protection, most of these races no longer use the word "Ironman".

Today

[edit]

The Ironman format remains unchanged, and the Hawaiian Ironman is still regarded as an honored and prestigious triathlon event to win worldwide.[22][23] For the 2024 Ironman Triathlon, the men's race will be held in Kona, Hawaii in October and the women's race will be held in Nice, France in September.[24]

People completing such an event within the strict event time cutoffs are agreed to be recognized as "Ironmen"; the plural "Ironmans" refers to multiples of "Ironman" as a short form of "Ironman Triathlon." In the triathlon community an Ironman is someone who has completed a race of the appropriate distance, whether or not it falls under the aegis of WTC.

Swim Smart Initiative

[edit]

In 2013, Ironman piloted the "Swim Smart Initiative" in North America and brought with it some notable safety related changes to the Ironman format. These changes included new rules regarding swim course formats, water temperature regulations, pre-swim warm ups, wave starts, and additional rescue boats/watercraft (paddle-boards, kayaks, etc.). The Swim Smart Initiative also introduced "resting rafts" so that athletes may leave the water to rest without being disqualified.[25] Andrew Messick, CEO of the World Triathlon Corporation, wanted the Swim Smart Initiative to ease the stress of the open swim and allowing athletes to be confident in the swim. Removing the "mass start" and conducting a "roll start" has been one of the major changes the organization has made.[26]

Ironman World Championship

[edit]
Main article: Ironman World Championship

Over time the popularity of the sport of triathlon grew, and the annual race on the Big Island became The Ironman World Championship. In 1983, admission to the race began following a qualification based system, whereby athletes had to obtain entry to the race by competing in another Ironman race and gaining a slot, allocated on a proportional basis. The Hawaii race consists of a swim in the bay of Kailua-Kona, a bike ride across the Hawaiian lava desert to Hāwī and back, and a marathon run along the coast (from Keauhou to Keahole Point and back to Kailua-Kona); finishing on Aliʻi Drive. The most recent Ironman World Championship took place on October 6, 2022, and was won by Gustav Iden of Norway in 7:40:24 and Chelsea Sodaro of the United States in 8:33:46.[27][28]

The current Ironman Hawaii course record was set in 2022 by Gustav Iden (Norway), whose winning time was 7 hours 40 minutes 24 seconds. Daniela Ryf (Switzerland) set the women's course record in 2018 with a winning time of 8 hours 26 minutes 18 seconds.[27][28]

Amateur triathletes can qualify for the World Championship through placement in one of the other Ironman series of races. Entry into the race can also be obtained through various contests and promotions, or through the Ironman Foundation's charitable eBay auction.

Training studies

[edit]

Many studies have been conducted to enhance the performance of the athletes who are training for the Ironman Triathlons while others studied the effects training has on the body and mind. In one study done by Clifford B. Sowell and Wm. Stewart Mounts Jr., "men who are 65 years old are 44% slower than one who is 35...and women is 48%"[29]

Athlete injuries

[edit]
Injuries or just sheer exhaustion can occur during the intense triathlon.

Triathletes train year round, and no matter how cautious, injuries are always possible. Many factors can be accounted for injuries happening, intrinsic factors are based on the individual and extrinsic factors are environmentally influenced.[30] The most common injuries in the running event, are to the ankle and foot which result in a sprain, fracture, and muscle strain. Knee injuries like patella tendinopathy. Lower back injuries such as intervertebral disc injury and myofascial pain. Cycling injuries are common in the knees, lower back, neck and shoulder. Swimming injuries happen most in the shoulders from the continuous rotations. This could happen when there is no form or control in swimming. The neck will see some minor injury when you are only breathing from one side. Thermal injuries will occur when the athlete is dehydrated, hypathermic, and hypothermic. It is important to stay alert and listen to your body when there is unfamiliar pain or fatigue.

Ironman series

[edit]

There are over three dozen Ironman Triathlon races throughout the world that enable qualification for the Ironman World Championships. Professional athletes qualify for the championship through a point ranking system, where points are earned based on their final placement in Ironman and Ironman 70.3 events. The top 50 male and top 35 female professionals in points qualify for the championship. Amateur athletes qualify for the championship by receiving slots allocated to each age group's top finishers in a qualifying event. The Ironman qualifying events include:[31]

Europe

[edit]
Ironman Frankfurt 2013

North America

[edit]
Swimmers begin the 1.2-mile leg in the Savannah River as part of the triathlon competition in support of Operation Iron Freedom in Augusta, Ga.

Current Events

[edit]

Discontinued Events

[edit]

South America

[edit]

Africa

[edit]

Asia

[edit]

Oceania

[edit]

Specifications of the Ironman races

[edit]
Town/City Country Region water type wetsuit rule # swimming loops Australian exit # biking loops # running loops
Penticton Canada (BC) North America fresh - 1 no 1 2
Klagenfurt Austria Europe fresh - 1 no 2 2
Copenhagen Denmark Europe salt mandatory 1 no 2 4
Bolton England Europe fresh - 2 yes 3 4
Tallinn Estonia Europe fresh - 2 yes 2 4
Nice France Europe salt - 2 no 1 4
Vichy France Europe fresh generally forbidden 1 yes 2 4
Hamburg Germany Europe fresh - 1 no 2 4
Frankfurt Germany Europe fresh - 1 yes 2 4
Emilia Romagna Italy Europe salt - 1 no 2 4
Maastricht Netherlands Europe fresh - 1 yes 2 4
Haugesund Norway Europe fresh - 1 yes 1 4
Gdynia Poland Europe salt optional 1 yes 2 4
Barcelona Spain Europe salt - 1 no 2 3
Puerto del Carmen Spain (Canaries) Europe salt mandatory 2 yes 1 3
Kalmar Sweden Europe brackish - 1 no 2 3
Zurich Switzerland Europe fresh - 1 no 1 4
Tenby Wales Europe salt - 2 yes 2 4
Cork Ireland Europe salt mandatory 2 yes 2 4
Mont-Tremblant Canada (Quebec) North America fresh optional 1 no 2 2
Cozumel Mexico North America salt 1 no 3 3
Tempe USA (Arizona) North America fresh 1 no 3 2
Santa Rosa USA (California) North America 2 no 2 3
Panama City Beach USA (Florida) North America 2 yes 1 2
Kailua-Kona USA (Hawaii) North America salt no 1 no 1 1
Louisville USA (Kentucky) North America 1 no 2 2
Cambridge USA (Maryland) North America brackish 2 no 2 2.5
Lake Placid USA (New York) North America fresh 2 yes 2 2
Chattanooga USA (Tennessee) North America fresh 1 no 2 2.25
The Woodlands USA (Texas) North America fresh 1 no 2 3
Madison USA (Wisconsin) North America fresh 2 no 2 2
Florianópolis Brazil South America salt 2 yes 2 4
Mar del Plata Argentina South America salt - 2 3 3
Nelson Mandela Bay South Africa Africa salt - 1 no 2 4
Subic Bay Philippines Asia
Gurye Korea Asia
Penghu Taiwan Asia
Langkawi Malaysia Asia salt
Port Macquarie Australia Oceania salt optional 1 no 2 4
Cairns Australia Oceania salt optional 2 no 2 4
Busselton Australia Oceania salt optional 2 yes 2 4
Taupo New Zealand Oceania fresh optional 1 no 2 3
Source:[36]

Notable Ironman triathletes

[edit]

Men

[edit]
  • Anders Hofman
    • First person to complete the Ironman on Antarctica
  • Mark Allen
    • 6-time winner of the Ironman Hawaii (joint men's record)
    • 5 consecutive victories in Hawaii (overall record)
  • Jan Frodeno
    • Current record holder for the fastest time for all iron-distance races (7:27:53 at Zwift Tri Battle Royale in 2021 — not a WTC event).
  • Tim Don
    • Official WTC-brand world record for fastest Ironman in Brazil 2017 with a time of 7:40:23[37]
  • Dave Scott
    • 6-time winner of the Ironman World Championship (joint men's record)
  • Scott Tinley, two-time winner, three-time Ironman World Series Champion and most top ten finishes.
  • Luc Van Lierde
    • First European male winner of Ironman Hawaii
    • Holder of all-time record until 2011 (7:50:27 in 1996 Ironman Europe)
    • Set the Hawaii course record (8:04:08) in 1996, which held until 2011
  • Rick and Dick Hoyt[38]
    • First "Team" to complete in 2 races.
    • Rick, who suffered from Cerebral Palsy was pulled by his father with a specially made boat, special seat on Dick's bike and was wheeled across the finish line all by his father.
  • Chris Nikic[39]
    • First person to compete and complete with Down Syndrome.
    • Competed Panama Ironman in 16 hours 46 minutes and 9 seconds.
    • Awarded the Jimmy V Award for Perseverance.

Women

[edit]
  • Natascha Badmann
    • First European female winner of Ironman World Championship
    • 6-time winner of the Ironman World Championships
  • Mirinda Carfrae
    • Three-time winner of the Ironman World Championship (2010, 2013, 2014)
    • Reached the podium in 6 of 7 attempts at Ironman Hawaii (silver: 2009, 2011,2016; bronze: 2012; DNF: 2015, 2016)
    • Women's record-holder for the overall Kona course (8:52:14, set in 2013) and the run course (2:50:38 in 2013)[40]
  • Paula Newby-Fraser
    • 8-time winner of Ironman Hawaii (overall record)
    • 4 consecutive victories in Hawaii
    • 24 Ironman victories overall (overall record)
    • Nicknamed "The Queen of Kona"
  • Daniela Ryf
    • Winner of the 2015, 2016, 2017 and 2018 Ironman World Championship
    • Eighth woman to earn more than one Kona title
    • Set a world record of 8:08:21 (Roth, 2023)
    • Fastest female Ironman distance triathlon bike time: 4:26:07 (Kona, 2018)
    • Official WTC-brand Ironman world record[n 1] holder: 8:26:18 (Hawaii, 2018)
  • Chrissie Wellington
    • Winner of the Ironman Hawaii World Championship at her first attempt, less than a year after turning professional
    • 3-time successive and 4-time overall female winner of Ironman Hawaii (2007, 2008, 2009 and 2011)
    • Former female Hawaii course record holder: 8:54:02 (2009)
    • Holds the second fastest-ever women's times over the Ironman distance triathlon: 8:18:13.
    • Fastest female Ironman distance triathlon marathon run time: 2:44:35 (Roth, 2011)
    • Greatest number of sub-9 hour times (nine, five more than Paula Newby-Fraser's previous record)
    • Undefeated over the Ironman distance triathlon
    • First winner of the Ironman World Championship from the United Kingdom
  1. ^ record over all WTC Ironman-branded ("M-dot") races only

Ironman world records

[edit]

The designation of "world record" is unofficial due to lack of course certification as well as World Triathlon Corporation not maintaining official world record status.[41]

Ironman men's world records
Event Record Athlete Nationality Competition Place
Full Ironman[42] 7:21:12
(39:41-1:52-4:02:40-1:37-2:35:24)* 		Kristian Blummenfelt  Norway Ironman Cozumel 2021 Cozumel, Mexico
Swim (3.9 km)[43] 41:26 Christof Wandratsch  Germany Ironman Austria 2006 Klagenfurt, Austria
Swim (3.9 km; current-aided)[44] 39:08 Luke Bell  Australia Ironman New York 2012 New York, United States
Bike (180.2 km)[45] 3:55:22 Jan Frodeno  Germany Tri Battle Royale 2021 Allgäu, Germany
Run (42.2 km)[46] 2:30:27 Patrick Lange  Germany Challenge Roth 2023 Roth, Germany
*Current aided, short swim course[47][48]
Ironman women's records
Event Record Athlete Nationality Competition Place
Full Ironman[49] 8:02:38 Anne Haug  Germany Challenge Roth 2024 Roth, Germany
Swim (3.862 km)[50] 45:04 Amanda Stevens  United States Ironman Germany 2012 Frankfurt, Germany
Swim (3.862 km; current-aided)[44] 40:29 Dede Griesbauer  United States Ironman New York 2012 New York, United States
Bike (180.246 km)[51] 4:22:56 Daniela Ryf   Switzerland Challenge Roth 2023 Roth, Germany
Run (42.195 km)[49] 2:38:52 Anne Haug  Germany Challenge Roth 2024 Roth, Germany

Ironman 70.3

[edit]
Main article: Ironman 70.3
Ironman 70.3 Budapest - 2014

In 2005, WTC instituted the Ironman 70.3 race series. This shorter course, also known as a Half Ironman, consists of a 1.2-mile (1.9 km) swim, 56-mile (90 km) bike ride, and 13.1-mile (21.1 km) run. As with the Ironman series, it consists of a number of qualifying races at various locations worldwide ending in a world championship race with athletes drawn largely from top finishers in the qualifying events.

For amateur athletes, some 70.3 events acted as qualifiers for the full Ironman World Championships in Hawaii.[52] However, the 2015 qualifying year marked a large de-emphasis on using certain Ironman 70.3 series races as a path for amateur athletes to qualify for the Ironman World Championships. The change was made to accommodate for the increased number of qualifying slots created from the full Ironman events which had been recently added.[53]

For professional triathletes, up to three 70.3 events can be used to accumulate points to be put towards their championship qualifying point rankings.[31]

Ownership and trademark

[edit]

Advance Publications, the parent company that owns WTC and subsequently the Ironman brand, pays royalties to Marvel Entertainment for use of the Ironman brand.[54] As part of the licensing agreement both Marvel and the former owner Wanda agreed to not use the "Iron Man" and "Ironman" trademarks in ways that would suggest an association with the other or cause brand confusion. World Triathlon Corporation CEO Andrew Messick has stated that the agreement has been in place for decades and the royalties paid are "not material to the business."[54] Iron Man first appeared in 1963, whereas the first Ironman triathlon was raced in 1978.

The Ironman Triathlon logo is a trademark of the World Triathlon Corporation.[55] The WTC has also registered the trademarks for "Ironman," "Ironman Triathlon," "M-Dot," and "70.3."[56] WTC has licensed the Ironman name for use, such as in the line of Timex Ironman wristwatches.

See also

[edit]

References

[edit]
  1. ^ Hudson, Ryan (October 19, 2012). "2012 Ironman World Championship: The hardest day in sports". SB Nation. Retrieved July 23, 2013.
  2. ^ "FAQ:How do I know if I have the right stuff to do an IRONMAN?". Ironman. Archived from the original on August 21, 2013. Retrieved July 23, 2013.
  3. ^ Walpole, Brian. "The making of an Ironman". Performance Sports and Fitness. Archived from the original on October 7, 2017. Retrieved July 23, 2013.
  4. ^ a b "A Look Back at a Look Back: Ironman's First 10 years". ironman.com. World Triathlon Corporation. January 23, 2003. Archived from the original on September 14, 2011. Retrieved September 7, 2011.
  5. ^ Collings, Jennifer. "Not Your Everyday Athlete". NASA.gov. Archived from the original on March 5, 2016. Retrieved December 3, 2013.
  6. ^ "Ironman wins 16th Emmy Award". Hawaii 24/7. May 4, 2012. Archived from the original on September 24, 2015. Retrieved December 3, 2013.
  7. ^ "2012 last year for Penticton Ironman triathlon". CBC. August 24, 2012. Retrieved July 2, 2013.
  8. ^ "Advance completes acquisition of The IRONMAN Group". Advance. July 20, 2020. Retrieved August 18, 2021.
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  12. ^ a b McDermott, Barry (May 14, 1979). "Ironman". Sports Illustrated. Archived from the original on April 20, 2023. Retrieved September 7, 2011.
  13. ^ Newell, Paul (October 10, 2008). "Ironman competition co-founded by Navy officer in 1979". NavySeals.com. Archived from the original on March 20, 2012. Retrieved September 7, 2011.
  14. ^ Ling, Micah. "A Brief History of the Women's Ironman World Championship". STRAVA Stories.
  15. ^ "IRONMAN Timeline: The first Decade (1978- 1987)". Ironman.
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  17. ^ Tinley, Scott (August 10, 2014). "A Straight 40 To Go". trihidtory.com. Archived from the original on February 15, 2015. Retrieved March 4, 2015.
  18. ^ a b Chick, Bob (October 22, 1983). "Ironwoman". The Evening Independent. p. 1–C. Retrieved March 4, 2015.
  19. ^ Williams, Pete (September 15, 2008). "Equity firm buys Ironman parent". Street & Smith's Sports Group. Archived from the original on September 19, 2012. Retrieved June 24, 2010.
  20. ^ Carlson, Timothy (December 20, 2009). "End of year news roundup". Slowtwitch.com. Retrieved June 24, 2010.
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  24. ^ Garthe, David. "10 Ways to Qualify for the Kona Ironman World Championships (2024)".
  25. ^ "IRONMAN Introduces SwimSmart Initiative in North America". IRONMAN.com. Archived from the original on May 20, 2019. Retrieved June 24, 2016.
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  27. ^ a b "2022 Ironman World Championship Overall Results - Day 2". SportStats. Retrieved July 29, 2019.
  28. ^ a b "2022 Ironman World Championship Overall Results - Day 1". SportStats. Retrieved July 29, 2019.
  29. ^ Sowell, Clifford; Mounts, Jr., Wm. Stewart (February 2005). "Ability, Age, and Performance: Conclusions from the Ironman Triathlon World Championship". Journal of Sports Economics. 6 (1): 78–97. doi:10.1177/1527002503260801.
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  31. ^ a b "Slot Allocation". World Triathlon Corporation. Retrieved July 18, 2022.
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  39. ^ "The first person in history with Down Syndrome to complete an Ironman Triathlon". Khaama Press.
  40. ^ Ward Barber, Jennifer (October 12, 2011). "Mirinda Carfrae Seizes Her Second World Championship". ironman.com. Archived from the original on April 2, 2019. Retrieved October 15, 2013.
  41. ^ O'Mara, Kelly (November 21, 2021). "What is the Ironman World Record? It's Complicated". Retrieved November 22, 2021.
  42. ^ "Ironman Cozumel". Ironman.com. November 21, 2021. Retrieved November 21, 2021.
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  45. ^ "Tri Battle Royale". Tri-battle.com. July 18, 2020. Archived from the original on December 2, 2021. Retrieved July 19, 2021.
  46. ^ "DATEV Challenge Roth powered by hep 2023". Challenge Roth Official Site. challenge-roth.com. June 25, 2023. Retrieved October 18, 2023.
  47. ^ Culp, Brad (November 22, 2021). "Last Weekend Now: Blummenfelt's Sizzling Ironman Debut, Rough Water in South Africa". Triathlete. Retrieved November 22, 2021.
  48. ^ Carlson, Timothy (November 21, 2021). "Olympic Champ Blummenfelt, Sara Svensk Win IM Cozumel". Slowtwitch.com. Retrieved November 22, 2021.
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  53. ^ Mavis, Bethany (July 22, 2014). "How Losing Kona Slots Will Affect 70.3 Races". Competitor Group, Inc. Archived from the original on September 22, 2015. Retrieved March 24, 2015.
  54. ^ a b Bachman, Rachel (July 26, 2019). "Iron Man to Ironman: Pay Up". Wall Street Journal. Retrieved July 29, 2019.
  55. ^ "IRONMAN - Trademark Details". Justia. Retrieved July 29, 2019.
  56. ^ "Intellectual Property Usage". World Triathlon Corporation. Archived from the original on July 29, 2019. Retrieved July 29, 2019.

Further reading

[edit]
  • Müller, Mathias; Carlson, Timothy (2010). 17 Hours to Glory: Extraordinary Stories from the Heart of Triathlon. Boulder, CO: Velo Press. ISBN 978-1-934030-43-1.
[edit]
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