Triathlon at the 2018 Summer Youth Olympics – Boys'

The 2018 Summer Youth Olympic Games, officially known as the III Summer Youth Olympic Games, and commonly known as Buenos Aires 2018, were an international sports, cultural, and educational event held in Buenos Aires, Argentina between 6 and 18 October 2018. They were the first Summer Youth Olympic Games held outside of Asia, and the first Youth Games for either summer or winter held outside Eurasia. It was the second Olympic Games held in South America after the 2016 Summer Olympics in Rio de Janeiro, Brazil.

Wayne Pocket Rocket McCullough is a former professional boxer from Northern Ireland who competed from 1993 to 2008. He held the WBC bantamweight title from 1995 to 1997, and challenged six times for world titles at super-bantamweight and featherweight. As an amateur, McCullough represented Ireland at the 1992 Summer Olympics, winning a bantamweight silver medal. He also won flyweight gold at the 1990 Commonwealth Games, representing Northern Ireland.

Alexandre Vladimirovich "Sasha" Fadeev is a Russian former competitive figure skater who represented the Soviet Union. Fadeyev is the 1985 World champion and a four-time European champion.

Tracy Wilson, is a Canadian ice dancer. With partner Rob McCall, she won the Canadian national championship seven times (1982–1988), is a three-time World bronze medalist, and the 1988 Olympic bronze medalist.

The World Olympic Gymnastics Academy (WOGA) is a two-facility gymnastics club located in Plano and Frisco. WOGA is widely known for its prestige within the U.S. because of the consistent and creditable history that they uphold.

Anatoliy Pavlovych Bondarchuk is a retired Soviet hammer thrower, who is regarded as the most accomplished hammer throw coach of all time. He is also a noted as the author of the two-volume book Transfer of Training, which was translated from Russian to English by Michael Yessis.

Lei Sheng is a Chinese foil fencer, Olympic champion at the 2012 Summer Olympics and twice team world champion at the 2010 and 2011 World Fencing Championships.

WEC 25: McCullough vs. Cope was the first mixed martial arts event held by the World Extreme Cagefighting under Zuffa management. The event was held on January 20, 2007. WEC 25's main event was a championship fight for the vacant WEC Lightweight Title, between rivals Rob McCullough and Kit Cope. The co-main event was a WEC Featherweight Title bout between champion, Urijah Faber and challenger Joe Pearson.

WEC 30: McCullough vs. Crunkilton was a mixed martial arts (MMA) event held by World Extreme Cagefighting (WEC). The event took place on Wednesday, September 5, 2007 at the Hard Rock Hotel and Casino in Las Vegas, Nevada and aired live on the Versus Network.

Dylan Armstrong is a Canadian shot putter. He is a two-time Pan American Games champion, a former Commonwealth Games champion and has also won world championship silver and bronze medals. He was awarded the bronze medal at the 2008 Summer Olympics seven years after the event in 2015, following a doping disqualification by competitor Andrei Mikhnevich. Armstrong holds the Canadian national record and the Pan American Games record for shot put, and is a former holder of the Commonwealth games record. With his world championship medal, Armstrong was the first Canadian to reach the podium in a throwing event in a major global competition.

Dylan David Moscovitch is a retired Canadian pair skater. He competed with Liubov Ilyushechkina from 2014 to 2018. They were the 2017 Four Continents bronze medalists, two-time bronze medalists on the Grand Prix series, and three-time Canadian national medalists.

Jennifer Abel is a Canadian diver. She is currently partnered with Mélissa Citrini-Beaulieu for synchronized diving. She won an Olympic bronze medal at the 2012 London Olympics in the 3 m synchro diving event with Émilie Heymans. Abel is the two time Commonwealth Games champion in the 1 m springboard, in 2010 and 2014; she is also the 2015 Pan American Games champion in the 3 m springboard. Her medals at the FINA World Championships, four silver and four bronze, are tied with Alexander Despatie for most medals by a Canadian in diving at the world championships.

The Bahamas competed at the 2011 World Championships in Athletics from August 27 to September 4 in Daegu, South Korea.

Alexandre Lippmann was a French Olympic champion épée fencer. He won two Olympic gold medals, as well as three other Olympic medals.

The year 2007 is the 7th year in the history of World Extreme Cagefighting, a mixed martial arts promotion based in the United States. In 2007 WEC held 7 events beginning with, WEC 25: McCullough vs. Cope.

Natasha McKay is a Scottish figure skater who competes in ladies' singles for the United Kingdom. She is the 2018 Golden Bear of Zagreb champion, the 2018 Crystal Skate of Romania champion, the 2017 Skate Helena champion, the 2017 Open d'Andorra champion, and a three-time British national champion (2017-2019). She has competed in the final segment at two European Championships