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.
Kerron Stephon Clement is a Trinidadian-born American track and field athlete who competes in the 400-meter hurdles and 400-meter sprint. He held the indoor world record in the 400-meter sprint, having broken Michael Johnson's mark in 2005.
Marla Lee Runyan is an American track and field athlete, road runner and marathon runner who is legally blind. She is a three-time national champion in the women's 5000 metres. She is also an athlete that competed in both the Paralympics and the Olympics, both reaching the finals.
Brigitte Heike Meissner is a retired German athlete. She competed mainly in the 400 metres hurdles, but also spent two seasons specializing in the 800 metres. Notable achievements include a silver medal at the 2002 European Championships, medals in 4 x 400 metres relay at the 1994 European Championships and the 1997 World Indoor Championships and a fourth place at the 1995 World Championships.
Ethiopia competed at the 1992 Summer Olympics in Barcelona, Spain. The nation returned to the Olympic Games after a 12 year absence, having boycotted the 1984 Summer Olympics in Los Angeles, United States and 1988 Summer Olympics in Seoul, South Korea. Twenty competitors, fourteen men and six women, took part in eleven events in two sports.
Lashinda Demus is a retired American hurdler who specialized in the 400 meter hurdles, an event in which she was the 2011 world champion and 2012 Olympic gold medalist, becoming the first woman from the United States to win the Olympic 400 m hurdles title.
Queen Quedith Claye née Harrison is an American hurdler and sprinter who competed in the 400 metres hurdles at the 2008 Summer Olympics. She was a six-time collegiate All-American at Virginia Tech where she was elected to its sports hall of fame. Queen is a meet director for Virginia's Best Track and Field Classic - VHSL meet hosted in Richmond, Virginia started in 2017.
Wassana Winatho, also known as Amornrat Winatho and Vassanee Vinatho, is a Thai track and field athlete who specialises in the heptathlon and the 400 metres hurdles. She represented Thailand at the 2008 Summer Olympics and competed at five consecutive editions of the Asian Games.
Erica Moore is an American middle-distance runner. She attended and graduated from Sullivan High School in Sullivan, Indiana, where her father was the boys basketball coach. She was a versatile athlete, establishing school records in at least six events in track and playing basketball.
The NCAA Men's Division III Indoor Track and Field Championship is an annual collegiate indoor track and field competition for men organised by the National Collegiate Athletic Association. Athlete's individual performances earn points for their institution and the team with the most points receives the NCAA team title in track and field.
Dalilah Muhammad is an American track and field athlete who specializes in the 400 meters hurdles. She is the 2016 Rio Olympics champion and 2020 Tokyo Olympics silver medalist, becoming at the latter the then-second-fastest woman of all time in the event with her personal best of 51.58 seconds. Muhammad was second at both the 2013 and 2017 World Championships to take her first gold in 2019, setting the former world record of 52.16 s. She was the second female 400 m hurdler in history, after Sally Gunnell, to have won the Olympic, World titles and broken the world record. At both the 2019 World Championships and Tokyo Games, she also took gold as part of women's 4 × 400 metres relay team.
Kendra "Keni" Harrison is an American hurdler. Harrison held the world record in the women's 100 metres hurdles with a time of 12.20 seconds, set on July 22, 2016 at the London Müller Anniversary Games, breaking the previous world record of 12.21 seconds achieved nearly 28 years earlier by Bulgarian athlete Yordanka Donkova.
Shamier Little is an American track and field sprinter specializing in the 400 metres hurdles. As a 20-year-old college sophomore at Texas A&M University, Little was the 2015 US champion. She then went on to win the silver medal in her signature event at the 2015 and 2023 World Championships. In July 2021, she became the fifth fastest woman of all time at the event.
Nicholas Kiplagat Bett was a Kenyan track and field athlete who competed in the 400 metres hurdles. His personal best for the event is 47.79 seconds. He was a world champion in the event, having won in 2015, and a two-time bronze medallist at the African Championships in Athletics. He died in a road accident in Kenya at the age of 28.
Saidat Onanuga is a Nigerian former track and field sprinter who specialised in the 400 metres. She also competed in the 400 metres hurdles. She represented Nigeria at the World Championships in Athletics in 1997, competing as a relay alternate.
Sydney McLaughlin-Levrone is an American hurdler and sprinter who competes in the 400 meters hurdles. She is the 2020 Tokyo Olympic champion with the Games record, and 2022 World champion with a world record time of 50.68 seconds. Setting four world records during 13 months, she was the first woman to break the 52-second and 51-second barriers in the 400 m hurdles. She won the silver medal at the 2019 World Championships. At all three competitions, she also took gold as part of a women's 4 × 400 m relay team.
Byron Robinson is an American track and field athlete who competes in the 400 metres hurdles. He holds a personal record of 48.58 seconds for the event. He was the runner-up at the United States Olympic Trials in 2016.
Tigst Assefa Tessema is an Ethiopian long-distance runner and the marathon female world record holder, the only woman in history to run the distance under two hours and 12 minutes as well as two hours and 13 minutes. She has competed in and won two top-tier World Marathon Majors, both in Berlin. A former 800 metres specialist, Tigst was the first woman to break 2:00 in the event and 2:20:00 in the marathon, and remains the only woman under 2:00 and 2:13:00, respectively.
The East African Athletics Championships, also known as the Zone V Championships, was an international athletics competition between East African nations, organised by the Confederation of African Athletics (CAA). It was established in 1995, the same year as two other regional championships: the West and North African Athletics Championships and the African Southern Region Athletics Championships. The competition succeeded the East and Central African Championships as the premier regional athletics competition for the region. All the events at the championships were in outdoor track and field.
Anna Cockrell is an American track and field athlete competing in sprinting and hurdling. She is a two-time medalist at the 2019 Pan American Games in Lima, Peru and she represented the United States at the 2020 Summer Olympics in Tokyo, Japan.
Ethiopia 
