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 or treis (three) and ἆθλος or athlos (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.
World Triathlon, previously known as the International Triathlon Union (ITU), is the international governing body for the multi-sport disciplines of triathlon, duathlon, aquathlon and other nonstandard variations. It is recognised as the international federation for the sport of triathlon and its derivatives by the International Olympic Committee, and it organises Olympic triathlon events on behalf of the IOC.
An aquathlon is a multisport race consisting of continuous run and swim elements. Competitors complete a swim immediately followed by a run over various distances. Athletes compete for fastest overall course completion, including the time transitioning between the disciplines.
Christopher John McCormack, also known as Macca, is an Australian triathlete. McCormack is a two-time winner of the Ironman World Championship, winning the titles in 2007 and 2010. He is also the winner of the 1997 International Triathlon Union (ITU) World Cup Series, the 1997 Triathlon World Championships, the 2012 Long Distance World Championships. and inducted into the AusTriathlon Hall of Fame for 2023.
The sport of Ironman was developed in 1964 in Australia by Valentine Trainor to combine the four main disciplines of surf lifesaving into a single race; swimming, board paddling, ski paddling and running. The sport should not be confused with Ironman triathlon. It is typically run as a single event as a part of a surf life saving carnival, although it can be run as a sport in its own right. Internationally it is sometimes called Oceanman.
An Ironman 70.3, also known as a Half Ironman, is one of a series of long-distance triathlon races organized by the World Triathlon Corporation (WTC). The "70.3" refers to the total distance in miles (113.0 km) covered in the race, consisting of a 1.2-mile (1.9 km) swim, a 56-mile (90 km) bike ride, and a 13.1-mile (21.1 km) run. Each distance of the swim, bike, and run segments is half the distance of that segment in an Ironman Triathlon. The Ironman 70.3 series culminates each year with a World Championship competition, for which competitors qualify during the 70.3 series in the 12 months prior to the championship race. In addition to the World Championship race, Ironman 70.3 championship competitions are also held for the European, Asia-Pacific, and Latin America regions.
Tim DeBoom, is a retired professional triathlete from Boulder, Colorado, from 1995 to 2012. During that tenure, DeBoom participated in hundreds of triathlons around the world, winning both short course and long course triathlons. After a 10th place finish in the Hawaii Ironman in 1995, DeBoom focused on long distance racing, eventually winning the Ironman Triathlon World Championship in Hawaii twice.
Christine Ann Wellington is an English former professional triathlete and four-time Ironman Triathlon World Champion. She held all three world and championship records relating to ironman-distance triathlon races: firstly, the overall world record, secondly, the Ironman World Championship course record, and thirdly, the official world record for all Ironman-branded triathlon races over the full Ironman distance.
Jan Frodeno is a German former triathlete who is the gold medal winner in men's triathlon at the 2008 Summer Olympics in Beijing, 3-time winner of the Ironman World Championship in 2015, 2016, and 2019, and 2-time winner of the Ironman 70.3 World Championship in 2015 and 2018. He had set the world record for the long distance in Roth, Germany in 2016 with 7:35:39 hours. In 2021, he broke his own world record during the Tributtle in Allgäu, Germany against Lionel Sanders, with a time of 07:27:53, setting a new world best for the long-distance triathlon.
The Norseman Xtreme Triathlon is a non-Ironman branded triathlon, point to point, race held in Norway annually. The distances are equivalent to those of an Ironman race with the swim starting from the loading bay of a car ferry, through the water of the Hardanger fjord to the local town, Eidfjord. At Eidfjord the competitors transition onto their bikes and then cycle 180 km through the mountains, the first 40 km of which is uphill. After transition two, the competitors then run 42.2 km of which the first 25 km are flat and following this they end up climbing the local mountain, Gaustatoppen, 1,880 m above sea level.
The Ironman World Championship is a triathlon held annually in Hawaii, United States since 1978, with 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. As of 2023, Ironman World Championships split between Kona and France, with the men's and women's races rotating years.
Terri Schneider is an endurance athlete, motivational speaker, author, coach, and consultant. In 1990, she won the Escape from Alcatraz and took third place at the 1990 Ironman World Championship.
Laura Marie Bennett is an American professional triathlete. She placed fourth in the women's triathlon at the 2008 Summer Olympics. In 2012, she finished 17th at the London Olympic Games. She earned a silver medal at the World Triathlon Championships in 2003 and bronze medals in 2004, 2005, and 2007. She has also raced at the Half-Ironman distance, placing 5th at the 2009 Ironman 70.3 World Championship.
Milos Kostic from Regina, Saskatchewan is the former world record holder of the Ironman World Championship in the Men's 65-69 age group with a time of 11 hours 29 minutes 45 seconds set in 2006. His time was beaten by William Christopher Wren who finished the course in 2013 with a time of 10 hours, 44 minutes and 31 seconds. He has won his age group there in Kona every time he has raced there, in 2006, 2007, 2008, 2009, 2011, and 2012. He won his age group at the Ironman 70.3 World Championship in 2011 and 2012. In 2011 he set the world record of the Ironman World Championship in the Men's 70-74 age group with a time of 11 hours 14 minutes.
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 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).
Meredith Brooke Kessler is an American professional triathlete from Columbus, Ohio who races in long distance, non-drafting triathlon events. She took third place at the 2011 ITU Long Distance Triathlon World Championships and has won numerous Ironman and half-Ironman distance races as both an amateur and a professional. She was named USA Triathlon's 2014 Non-Drafting Athlete of the Year.
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 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.
France 
Morocco 
Austria 
Norway 
Scotland 
Montenegro 
Wales 
Canada 
USA, Alabama
Poland 
Italy 
Estonia 
Brazil 
Taiwan 
Greece 
Germany 
Czech 
Switzerland 
Nepal 
Slovakia 
England 
Pakistan 
New Zealand 
South Africa 
Isle of Man 
Cyprus 
Chile 
Spain 
Sweden 
Russia 
