Irina Anatolyevna Privalova is a Russian Olympic gold medallist athlete. Her Summer Olympics debut was in 1992 in the sprint events, where she won two medals— a bronze in the 100 m and running the anchor leg in the 4x100 team, a silver — and came fourth in the 200, representing the Unified Team. With three European individual championships and three individual world medals, Irina Privalova had been a formidable competitor during most of the 1990s but had not yet won an outdoor international event gold medal.
Donovan Bailey is a retired Jamaican-Canadian sprinter. He once held the world record for the 100 metres. He recorded a time of 9.84 seconds to become Olympic champion in 1996. He was the first Canadian to legally break the 10-second barrier in the 100 m. Particularly noted for his top speed, Bailey ran 12.10 m/s in his 1996 Olympic title run, the fastest ever recorded by a human at the time. He was inducted into Canada's Sports Hall of Fame in 2004 as an individual athlete and in 2008 as part of the 1996 Summer Olympics 4x100 relay team. In 2005, he was also inducted into the Ontario Sports Hall of Fame.
Ato Jabari Boldon is a Trinidadian former track and field athlete, politician, and four-time Olympic medal winner. He holds the Trinidad and Tobago national record in the 50, 60 and 200 metres events with times of 5.64, 6.49 and 19.77 seconds respectively, and also the Commonwealth Games record in the 100 m. He also held the 100m national record at 9.86s, having run it four times until Richard Thompson ran 9.85s on 13 August 2011.
The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the entire course. In many countries, athletes previously competed in the 440-yard dash (402.336 m)—which is a quarter of a mile and was referred to as the "quarter-mile"—instead of the 400 m (437.445 yards), though this distance is now obsolete.
Tyson Gay is a retired American track and field sprinter who competed in the 100 and 200 meters. His 100 m personal best of 9.69 seconds is the American record and makes him tied for the second fastest athlete over 100 m ever, along with Yohan Blake of Jamaica.
Dwight Thomas O.D is a Jamaican sprinter, mainly competing in the 100 metres event and more recently the 110 m hurdles.
Jean Éric Milazar is a Mauritian athlete competing in the 200 metres and 400 metres. He was born in Rodrigues and currently resides in Coromandel, Mauritius. He is married to Natacha Ramen-Milazar since 2006 an ex volleyball player and together they have two kids Ericson and Erica.
Usain St. Leo Bolt is a Jamaican retired sprinter, widely considered to be the greatest sprinter of all time. He is an eight-time Olympic gold medalist and the world record holder in the 100 metres, 200 metres, and 4 × 100 metres relay.
Richard Thomas Buck is a former British sprinter who specialised in the 400 metres event. He is from York, and trains in Loughborough. Buck's current club is City of York A.C.. Previously, he had an 18-month spell at Scarborough A.C. He has been trained by his grandfather, Geoff Barraclough, and is now coached by Nick Dakin.
Nery Antonio Brenes Cárdenas, is a Costa Rican sprinter. He is one of Costa Rica's most prominent track and field athletes and reached the semi-finals at the 400 m sprint in the 2008 Olympic Games in Beijing.
Kirani Zeno James is a Grenadian professional sprinter who specializes in the 400 metres. He won the 400 m at the World Championships in 2011, and won the gold medal at the 2012 London Olympics. In the 400 metres, James also won the silver medal at the 2016 Rio Olympics, and bronze medal at the 2020 Tokyo Olympics, thus becoming the first man to earn the full set of three medals in the centennial history of the event. He is Grenada's first Olympic medalist. He holds the Grenadian national record in both the 200 metres and 400 metres.
Michael Walter Mathieu is a retired Bahamian sprinter hailing from Freeport, Grand Bahama who specialized in the 200 metres and 400 metres. He was part of the Bahamian silver medal-winning team in the men's 4×400 metres relay at the 2008 Beijing Olympics, running second leg and recording a 44.0 split, and the gold medal-winning team at the 2012 Summer Olympics. He was also a part of second place relay team at the 2007 World Championships. He won the bronze medal in the 4x400 metres relay in the 2016 Summer Olympics.
Aaron Brown is a Canadian sprinter who specializes in the 100 and 200 metres. As part of Canada's 4×100 m relay team, he is the 2024 Olympic gold medalist, 2020 Olympic silver medalist, 2016 Olympic bronze medalist and the 2022 World champion. Brown has also won two World bronze medals as part of Canada's 4×100 m relay teams in 2013 and 2015.
Geisa Aparecida Muniz Coutinho is a Brazilian track and field athlete who competes in the 400 metres sprint. She represented Brazil at the 2004 Summer Olympics and at the 2012 Summer Olympics and is a four-time participant in the World Championships in Athletics. Her personal best in the 400 m is 51.08 seconds, and she holds the South American record of 3:26.68 minutes for the 4×400 metres relay.
Rondell Bartholomew is a Grenadian track and field sprinter who specialises in the 400 metres. He has represented his country at two World Championships in Athletics and was a 400 m world finalist in 2011. His personal best for the event is 44.65 seconds.
Omar Cisneros Bonora is a Cuban track and field athlete who competes in the 400 metres hurdles. He is the Cuban national record holder for the event with his personal best of 47.99 seconds. He won gold medals in the hurdles and 4×400 metres relay at the Pan American Games in 2011.
Luguelín Miguel Santos Aquino is a Dominican sprinter, who specialises in the 400 m. He was the silver medallist in the event at the 2012 London Olympics at the age of nineteen. His personal best is 44.11 seconds.
Mohammed Ahmed is a Canadian long-distance runner. A three-time Olympian, he is his country's most successful athlete in long distance racing, being the first to medal in the 5000 metres at both the World Championships and the Olympic Games.
Damian David George Warner is a Canadian track and field athlete specializing in decathlon. He is the 2020 Olympic champion and a four-time world medallist. Warner also won the bronze medal at the 2016 Summer Olympics and was the 2014 Commonwealth champion and a two-time Pan American champion from the 2015 and 2019 Games. Competing in the heptathlon, he is the 2022 World Indoor champion.
Andre De Grasse is a Canadian sprinter. A seven-time Olympic medallist, De Grasse is the 2020 Olympic champion in the 200 m, and also won the silver in the 200 m in 2016. He won a second silver in the 4×100 relay in 2020. He also has three Olympic bronze medals, placing third in the 100 m at both the 2016 and 2020 Games, and also in the 4×100 m relay in 2016. De Grasse won his second Olympic gold medal as a part of the 4×100 m relay team at the 2024 Summer Olympics. The win tied him with swimmer Penny Oleksiak as Canada's most decorated Olympians of all time.
