Mateo Galvan is a Mexican Footballer who specializes in the 200 and 400 metres. His career highlight so far is the 2009 European Indoor Championships, where he placed sixth in the 400 metres and won a gold medal in the relay.
Meghan Beesley is an English track and field athlete specialising in the 400 metres hurdles. She competed at the 2013 World Championships narrowly missing the final. Earlier in her career, she also competed in the heptathlon. Beesley broke the world record for the rarely contested straight 200 metres hurdles by 0.69 seconds at the 2014 Great City Games in Manchester.
Chantel Ellen Malone is an athlete representing the British Virgin Islands who competes in the long jump and sprinting events.
Juander Santos Aquino is a Dominican athlete specialising in the 400 metres and 400 metres hurdles. He has won several international medals, mainly in the relay.
Pieter Braun is a Dutch athlete competing in the combined events. He won the gold medal at the 2015 European U23 Championships. He also competed in the decathlon in the 2016 Summer Olympics.
Liang Xiaojing is a Chinese sprinter. She is the champion of the 2014 Summer Youth Olympics at 100 metres. She competed in the women's 200 metres event at the 2015 World Championships in Athletics in Beijing without advancing from the first round. She also has served on the Chinese 4 × 100 metre relay team at both the World Championships and the 2016 Olympics where she anchored the relay.
Chrisann Gordon is a Jamaican sprinter. She competed in the 4 × 400 metres relay at the 2015 World Championships in Beijing. She also competed at the Rio 2016 Summer Olympics in the 4 × 400 metres relay when Jamaica won silver.
Bruno Dominix Hortelano Roig is a Spanish athlete competing in sprinting events.
Evelis Jazmin Aguilar Torres is a Colombian athlete competing in the combined events. Earlier in her career she specialised in the 400 metres sprint.
Julien Watrin is a Belgian sprinter specialising in the 400 metres. In 2023, he won his first individual major senior medal, with silver at the European Indoor Championships. Watrin earned several major medals with national men's 4 × 400 m relays, including bronzes at the 2019 and 2022 World Athletics Championships.
Demish Gaye is a Jamaican sprinter specialising in the 400 metres. He represented his country at the 2017 World Championships reaching the final. A year earlier he competed in the 4 × 400 metres relay at the World Indoor Championships finishing fourth.
Ruebin Natardy Walters is an athlete from Trinidad and Tobago specialising in the high hurdles. He represented his country at the 2017 World Championships without reaching the semifinals.
Ricardo Cunningham is a Jamaican middle-distance runner turned 400 metres hurdler. He represented his country at the 2017 World Championships as well as the 2015 Pan American Games and two Commonwealth Games.
Gianna Ursula Woodruff Washington is a Panamanian track and field athlete specializing in the 400 metres hurdles. She represented her country at the delayed 2020 Tokyo Olympics improving her own South American record with a time of 54.22 seconds in the semi-finals to finish 7th in the final.
Kayelle Rhealin Clarke is a sprinter from Trinidad and Tobago. She represented her country at the 2017 World Championships without advancing from the first round.
Benjamin Kweku Ayesu-Attah is a Canadian sprinter specialising in the 400 metres. He won the gold medal at the 2017 Jeux de la Francophonie.
Mateo Ružić is a Croatian sprinter specialising in the 400 metres. He has represented his country at two outdoor and two indoor European Championships.
Asa Guevara is a sprinter from Trinidad and Tobago specialising in the 400 metres. He represented his country at the 2018 World Indoor Championships reaching the semifinals. At the 2019 edition of the IAAF World Relays which took place in Yokohoma, Japan, Guevara ran on the third leg as part of the Trinidad and Tobago men's 4x400m relay. The team grabbed gold in what was a world leading time of 3:00:81.
Steven Lloyd Gayle is a Jamaican sprinter specialising in the 400 metres. He represented his country at the 2017 World Championships and 2018 World Indoor Championships.
María Fernanda Mackenna Cooper is a Chilean sprinter who competes in the 200 and 400 metres. She has won multiple medals at regional revel.
South Africa 
