A triathlon is an endurance multisport race consisting of swimming, cycling, and running over various distances. Triathletes compete for fastest overall completion time, racing each segment sequentially with the time transitioning between the disciplines included. The word is of Greek origin, from τρεῖς, 'three', and ἆθλος, 'competition'.
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.
The Ironman World Championship is a triathlon competitions held annually in Hawaii, United States from 1978 to 2022, with no race in 2020 and an additional race in 1982. It is owned and organized by the World Triathlon Corporation. It is the annual culmination of a series of Ironman triathlon qualification races held throughout the world. From 2023, the Men's and Women's Ironman World Championships were separated with one at Kona and the other hosted at another venue.
The 2008 Ironman 70.3 World Championship was a triathlon competition held in Clearwater, Florida on November 8, 2008. The race was sponsored by Foster Grant and organized by the World Triathlon Corporation. The championship race is the culmination of the Ironman 70.3 series of events that took place from October 2007 to September 2008. Athletes, both professional and amateur, earn a spot in the championship race by qualifying in races throughout the 70.3 series. The 2008 championship race was represented by athletes from 52 different countries and 46 different U.S. States.
The 2011 Ironman 70.3 World Championship was a triathlon competition that was held at Lake Las Vegas in Henderson, Nevada on September 11, 2011. It was sponsored by the United States Marine Corps and organized by the World Triathlon Corporation. The championship race was the culmination of the Ironman 70.3 series of events that occurred from October 1, 2010 to August 15, 2011. Athletes, both professional and amateur, earned a spot in the championship race by qualifying in races throughout the 70.3 series. The 2011 Championship marked the first year that the race was not held in Clearwater, Florida, which had hosted the race since its inception in 2006.
The 2011 Ironman World Championship was held on October 8, 2011, in Kailua-Kona, Hawaii and won by Craig Alexander of Australia and Chrissie Wellington of England. It was the 35th such Ironman Triathlon World Championships, which has been held annually in Hawaii since 1978, with an additional race in 1982. The championship is organised by the World Triathlon Corporation (WTC).
The 2012 Ironman 70.3 World Championship was a triathlon competition held at Lake Las Vegas in Henderson, Nevada on September 9, 2012. The championship was sponsored by the United States Marine Corps and organized by the World Triathlon Corporation (WTC) and was the culmination of the Ironman 70.3 series of events that occurred from August 14, 2011 through August 13, 2012. Athletes, both professional and amateur, earned a spot in the championship race by qualifying in races throughout the 70.3 series.
The 2012 Ironman World Championship was a long distance triathlon competition held on October 13, 2012 in Kailua-Kona, Hawaii. The championship won by Pete Jacobs of Australia and Leanda Cave of England. It was the 36th such Ironman Triathlon World Championship, which has been held annually in Hawaii since 1978, with an additional race in 1982. The championship is organized by the World Triathlon Corporation (WTC).
Magali Tisseyre is a Canadian triathlete from Montreal who races primarily in long distance, non-drafting triathlon events. She took third place at both the 2009 and 2010 Ironman 70.3 World Championships.
Mary Beth Ellis is a retired American long-distance triathlete. She holds the record for the fastest iron-distance race by an American woman, set at Ironman Austria in 2011 with a time of 8:43:34. She is the 2015 ITU Long Distance Triathlon champion and has taken second place at both the 2008 and 2009 Ironman 70.3 World Championship. She has been named USA Triathlon's Non-Olympic/ITU Female Athlete of the Year for both 2011 and 2012.
The 2007 Ironman 70.3 World Championship was a triathlon competition held in Clearwater, Florida on November 10, 2007. The championship was sponsored by Ford and organized by the World Triathlon Corporation (WTC). The championship was the culmination of the Ironman 70.3 series of events that occurred from November 2006 through September 2007. Athletes, both professional and amateur, earned a spot in the championship race by qualifying in races throughout the 70.3 series.
The 2013 Ironman 70.3 World Championship was a triathlon competition that was held at Lake Las Vegas in Henderson, Nevada on September 8, 2013. The event was won by German Sebastian Kienle and Australian Melissa Hauschildt. The championship was organized by the World Triathlon Corporation (WTC) and was the culmination of the Ironman 70.3 series of events that occurred from August 19, 2012 through August 11, 2013. Athletes, both professional and amateur, earned a spot in the championship race by qualifying in races throughout the 70.3 series.
The 2013 Ironman World Championship was a long distance triathlon competition that was held on October 12, 2013 in Kailua-Kona, Hawaii. The event was won by Belgium's Frederik Van Lierde and Australia's Mirinda Carfrae. It was the 37th edition of the Ironman World Championship, which has been held annually in Hawaii since 1978. The championship is organized by the World Triathlon Corporation (WTC).
The 2014 Ironman World Championship was a long distance triathlon competition that was held on October 11, 2014 in Kailua-Kona, Hawaii. The event was won by Sebastian Kienle of Germany and Australia's Mirinda Carfrae. It was the 38th edition of the Ironman World Championship, which has been held annually in Hawaii since 1978, with an additional race in 1982. The championship was organized by the World Triathlon Corporation (WTC) and awarded a total purse prize of $650,000.
The 2015 Ironman World Championship was a long distance triathlon competition held on October 10, 2015 in Kailua-Kona, Hawaii and won by Jan Frodeno of Germany and Daniela Ryf of Switzerland. The race was the 39th edition of the Ironman World Championship, which has been held annually in Hawaii since 1978. The championship was organized by the World Triathlon Corporation (WTC) and awarded a total purse prize of $650,000.
The 2015 Ironman 70.3 World Championship was a triathlon competition that was held in Zell am See-Kaprun, Austria on August 30, 2015. It was won by Jan Frodeno of Germany and Daniela Ryf of Switzerland. The championship was organized by the World Triathlon Corporation (WTC) and was the culmination of the Ironman 70.3 series of events that occurred from August 3, 2014 through July 12, 2015. Athletes, both professional and amateur, earned a spot in the championship race by qualifying in races throughout the 70.3 series. A prize purse of $250,000 will be distributed to the top 10 male and female professional athletes. The race marked the second year of the championship event being held in a non-recurring location and the first time being held in Europe.
The 2016 Ironman 70.3 World Championship was a triathlon competition held in Mooloolaba, Queensland, of Australia's Sunshine Coast on September 4, 2016. It was won by Tim Reed of Australia and Holly Lawrence of Great Britain. The championship was organized by the World Triathlon Corporation (WTC) and was the culmination of the Ironman 70.3 series of events that occurred from July 19, 2015 through July 3, 2016. Athletes, both professional and amateur, earned a spot in the championship race by qualifying in races throughout the 70.3 series. A prize purse of $250,000 was distributed to the top 10 male and female professional athletes. The championship location marked the first time the event was held in the southern hemisphere.
The 2016 Ironman World Championship was a long distance triathlon competition that was held on October 8, 2016 in Kailua-Kona, Hawaii. It was won by Jan Frodeno of Germany and Daniela Ryf of Switzerland, both repeat champions from 2015. The race was the 40th edition of the Ironman World Championship, which has been held annually in Hawaii since 1978. The championship was organized by the World Triathlon Corporation (WTC) and awarded a total purse prize of $650,000.
The Professional Triathletes Organisation (PTO) is an organisation that represents non-drafting professional triathletes. Its mission is to professionalise and promote the sport of triathlon. The PTO is a hybrid of a not-for-profit organisation and commercial endeavour. The commercial enterprises of the PTO – including PTO events – are operated under a commercial entity, with the triathletes of PTO retaining 50% ownership and PTO investors retaining 50% ownership.
The Ironman 70.3 World Championship is a triathlon long-distance competitions held annually and organized by the World Triathlon Corporation (WTC).
Javier Gomez 
Daniela Ryf 
