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 (3.86 km) swim, a 112-mile (180.25 km) bicycle ride and a marathon 26.2-mile (42.2 km) run, raced in that order and without a break. It is widely considered one of the most difficult one-day sporting events in the world.
Most Ironman events have a strict time limit of 17 hours to complete the race. The race typically starts at 7:00 a.m.; the mandatory swim cut off for the 2.4-mile (3.9 km) swim is 9:20 a.m. (2 hours 20 minutes), the mandatory bike cut off time is 5:30 p.m. (8 hours 10 minutes), and the mandatory marathon cut off is midnight (6 hours 30 minutes). Any participant who manages to complete the triathlon within these timings becomes an ironman.
The name "Ironman Triathlon" is also associated with the original Ironman triathlon which 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) and is preceded by a series of qualifying Ironman events. Ironman World Championships has become known for its grueling length, harsh race conditions, and Emmy Award-winning television coverage.
Other races exist that are of the same distance as an Ironman triathlon but are not produced, owned, or licensed by the World Triathlon Corporation. Such races include The Challenge Family series' Challenge Roth or the Norseman Triathlon.
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The idea for the original Ironman Triathlon arose during the awards ceremony for the 1977 Oʻahu Perimeter Relay. Among the participants were numerous 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 Eddy Merckx, the great Belgian cyclist, had the highest recorded "oxygen uptake" of any athlete ever measured, so perhaps cyclists were more fit than anyone. CDR 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./3.86 km), the Around-Oahu Bike Race (115 mi./185.07 km; originally a two-day event) and the Honolulu Marathon (26.219 mi./42.195 km).
Until that point, no one present had ever done the bike race. Collins calculated that 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. Of the fifteen men to start off in the early morning on February 18, 1978, twelve completed the race. Gordon Haller, a US 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 US 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.
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. Lyn Lemaire, a championship cyclist from Boston, placed sixth overall and became the first "Ironwoman".
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. During the following year, hundreds of curious participants contacted Collins.
In 1981 organizer Valerie Silk moved the competition to the less urbanized Hawaiʻi Island (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.
The sport of triathlon was added as an Olympic sport at the 2000 Summer Olympics in Sydney as a shorter distance race (1,500-metre (0.93 mi) swim, 40-kilometre (25 mi) cycle, 10-kilometre (6.2 mi) run).
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".
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.
Ironman World Championships
Over time the popularity of the sport of triathlon grew, and the annual race on the Big Island became The Ironman World Championship, with a series of qualifying races required to enter the championship. The Hawaii race consists of the swim in the bay of Kailua-Kona, the bike ride across the Hawaiian lava desert to Hāwī and back, and the 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 12, 2013 and was won by Frederik Van Lierde of Belgium in 8:12:29 and Mirinda Carfrae of Australia in 8:52:14.
The current Ironman Hawaii course record was set in 2011 by Craig Alexander (Australia), whose winning time was 8 hours 3 minutes 56 seconds. Mirinda Carfrae (Australia) set the women's course record in 2013 with a winning time of 8 hours 52 minutes 14 seconds.
Amateur triathletes can qualify for the World Championship through placement in one of the other Ironman series of races or a few selected Ironman 70.3 races. Entry into the race can also be obtained through a random allocation lottery or through the Ironman Foundation's charitable eBay auction.
There are over two 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:
- Ironman Asia Pacific Championship in Melbourne, Victoria, Australia
- Ironman Australia in Port Macquarie, New South Wales, Australia
- Ironman Cairns in Cairns, Queensland, Australia
- Ironman Western Australia in Busselton, Australia
- Ironman Canada in Whistler, British Columbia, Canada
- Ironman Mont-Tremblant in Mont-Tremblant, Quebec, Canada
- Ironman Muskoka in Huntsville, Ontario, Canada
- Ironman Austria in Klagenfurt, Austria
- Ironman Mallorca in Mallorca, Spain
- Ironman Barcelona in Calella, Spain
- Ironman Copenhagen in Copenhagen, Denmark
- Ironman France in Nice, France
- Ironman European Championship in Frankfurt, Germany.
- Ironman Lanzarote in Puerto del Carmen, the Canary Islands, Spain
- Ironman Sweden in Kalmar, Sweden
- Ironman Switzerland, in Zürich, Switzerland
- Ironman UK in Bolton, United Kingdom
- Ironman Wales in Tenby, Wales
- Ironman Arizona in Tempe, Arizona
- Ironman Coeur d'Alene in Coeur d'Alene, Idaho
- Ironman Boulder in Boulder, Colorado
- Ironman Chattanooga in Chattanooga, Tennessee
- Ironman Florida in Panama City Beach, Florida
- Ironman Lake Placid in Lake Placid, New York
- Ironman Lake Tahoe in Lake Tahoe, California
- Ironman Louisville in Louisville, Kentucky
- Ironman Maryland in Cambridge, Maryland
- Ironman Texas in The Woodlands, Texas
- Ironman Wisconsin in Madison, Wisconsin
- Ironman World Championships in Kona, Hawaii
- Ironman Brazil on Florianopolis Island, Brazil
- Ironman Fortaleza in Fortaleza, Brazil
- Ironman Japan in Hokkaido, Japan
- Ironman New Zealand in Taupo, New Zealand
- Ironman South Africa in Port Elizabeth, South Africa
- Ironman Taiwan in Kenting, Taiwan
Notable Ironman triathletes
- Craig Alexander
- 3-time Ironman World Champion (2008, 2009 and 2011)
- Current Hawaii course record holder (8:03:56 in 2011)
- Split Times: Swim: 0:51:56 (01:21 per 100 m) | T1: 0:01:56 | Bike: 4:24:05 (40.9 km/h) | T2: 0:01:58 | Run: 2:44:03 (3 min 53 sec per km)
- Mark Allen
- 6-time winner of the Ironman Hawaii (joint men's record)
- 5 consecutive victories in Hawaii (overall record)
- 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
- Dave Scott
- 6-time winner of the Ironman World Championship(joint men's record)
- 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 all 5 attempts at Ironman Hawaii (silver: 2009, 2011; bronze: 2012)
- Women's record-holder for the overall Kona course (8:52:14, set in 2013) and the run course (2:50:38 in 2013, when only two men recorded a faster time) 
- 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"
- 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)
- Current record holder for the fastest time for all full distance triathlon races (8:18:13 at Challenge Roth in 2011)
- Holds the four fastest-ever women's times over the full distance triathlon: 8:18:13 (Roth, 2011), 8:19:13 (Roth, 2010), 8:31:59 (Roth, 2009), 8:33:56 (Port Elizabeth, 2011).
- Until Caroline Steffen raced 8:34:51 at Melbourne on March 25, 2012, Wellington held the five fastest-ever times with her 8:36:13 at Tempe (2010).
- Official Ironman world record record[n 1] holder: 8:33:56 (Port Elizabeth, 2011)
- Fastest female full distance triathlon bike time: 4:36:33 (Roth, 2010)
- Fastest female full distance triathlon marathon run time: 2:44:54 (Roth, 2011)
- Greatest number of sub-9 hour times (nine, five more than Paula Newby-Fraser's previous record)
- Undefeated over the full distance triathlon
- First winner of the Ironman World Championship from the United Kingdom
- record over all WTC Ironman-branded ("M-dot") races only
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, culminating in a world championship race with athletes drawn largely from top finishers in the qualifying events. The 2014 world championship will be held in Mont-Tremblant, Quebec, Canada. For amateur athletes, some 70.3 events act as qualifiers for the full Ironman World Championships in Hawaii. For professional triathletes, up to three 70.3 events can be used to accumulate points to be put towards their championship qualifying point rankings.
The Ironman Triathlon logo is a trademark of the World Triathlon Corporation. The WTC has also registered the trademark "Ironman Triathlon" for its athletic competitions, and the trademark "Ironman" for a line of clothing, athletic equipment, and souvenirs, and licensed the name to Timex for their line of Timex Ironman wristwatches. The trademark also extends to the use of "140.6" and "70.3," the respective distances for a full and half Ironman.
M-Dot is the symbol that refers to the event. The symbol is taken from the Ironman logo, which is the word IRONMAN (in all caps) with a dot on top of the letter M, which is meant to look like a person. The dot is the head of the person and the M is the body of the person. It represents the need to have a fit body and a strong willpower.
- Hudson, Ryan. "2012 Ironman World Championship: The hardest day in sports". SB Nation. Retrieved July 23, 2013.
- "FAQ:How do I know if I have the right stuff to do an IRONMAN?". Ironman. Retrieved July 23, 2013.
- Walpole, Brian. "The making of an Ironman". Performance Sports and Fitness. Retrieved July 23, 2013.
- Collings, Jennifer. "Not Your Everyday Athlete". NASA.gov. Retrieved December 3, 2013.
- "Ironman wins 16th Emmy Award". Hawaii 24/7. May 4, 2012. Retrieved December 3, 2013.
- "2012 last year for Penticton Ironman triathlon". CBC. August 24, 2012. Retrieved July 2, 2013.
- "Triathlon Timeline - USA Triathlon". USA Triathlon. Retrieved October 22, 2013.
- Axelson, David (November 27, 2014). "Coronado Residents John And Joan Collins Honored As Ironman Founders". Coronado Eagle and Journal. Retrieved December 1, 2014.
- "A Look Back at a Look Back: Ironman’s First 10 years". World Triathlon Corporation. 23 January 2003. Retrieved 7 September 2011.
- McDermott, Barry (14 May 1979). "Ironman". Sports Illustrated. Retrieved 7 September 2011.
- Newell, Paul (10 October 2008). "Ironman competition co-founded by Navy officer in 1979". NavySeals.com. Retrieved 7 September 2011.
- "Ironman World Championship, Kailua-Kona, Hawaii Triathlete’s Guide". BeyondTransition. 29 September 2011. Retrieved 22 November 2011.
- McCormack, Chris; Tim Vandehey (2011). I'm Here To Win. Center Street. ISBN 978-1-4555-0267-7.
- "IM Qualifying". World Triathlon Corporation. Retrieved October 16, 2012.
- Ward Barber, Jennifer (12 October 2011). "Mirinda Carfrae Seizes Her Second World Championship". ironman.com. Retrieved 15 October 2013.
- "Ironman World Championship Qualification". World Triathlon Corporation. Retrieved 22 November 2011.
- 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.
- World Triathlon Corporation
- k226.com - Directory of all other non-WTC 'Iron-distance' races
- IronDistance.com - List of all races. Includes race ratings.