Louis Jacobus van Zyl, better known as L. J. van Zyl, is a South African athlete competing in the 400 metre hurdles. He is the South African record holder in the event with a personal best of 47.66 seconds, which he achieved twice, three months apart. His time ranks him in the all-time top 25. He is a three-time African Champion in the event and competed for his country at the 2008, 2012 and 2016 Summer Olympics.
Amine Laâlou is a Moroccan track and field athlete, who specializes in middle-distance running. He has represented his country at the Summer Olympics on two occasions; in 2004 and 2008. He began his career as an 800 metres specialist and made his global debut at the 2003 World Championships in Athletics. He won medals at smaller international competitions, including the 2004 Pan Arab Games and 2005 Mediterranean Games. He reached his first global final at the 2007 World Championships, taking sixth, and was a semi-finalist at the 2008 Summer Olympics.
Ndiss Kaba Badji is a Senegalese athlete who competes in the long jump and triple jump. He is the Senegalese record holder for triple jump, with 17.07 metres achieved when he won the 2008 African Championships. He has a personal best long jump of 8.32 metres, achieved in October 2009 in Beirut, helping him to win the silver medal at the 2009 Jeux de la Francophonie.
Halima Hachlaf is a Moroccan runner who specializes in the 800 metres. She is the younger sister of Abdelkader Hachlaf, an international steeplechase athlete. She won silver medals in the 800 m at the Mediterranean Games and Jeux de la Francophonie in 2009. Her personal best for the distance is 1:58.27.
Aleksandra Andreyevna Fedoriva is a Russian track and field athlete who competes mainly in sprinting events.
Peirresha Alexandra Shakes-Drayton is a British retired track and field athlete. After specialising in the 400 metres hurdles in the early part of her career, a knee injury at the 2013 World Championships forced Shakes-Drayton to concentrate on the 400 metres on her return to athletics. She is the 2013 European Indoor Champion in the 400 metres and won a 2012 World Indoor Championship gold medal in the 4 x 400 metres relay. She has also won silver and bronze medals in the 4 × 400 m relay at the World Championships.
Aurélie Kamga is a French sprinter who specializes in the 200 metres and 400 metres.
Phara Anacharsis is a French athlete who specializes in the 400 metres and the 400 metres hurdles.
Patricia Buval is a French athlete who specializes in the 100 metres hurdles.
Seltana Aït Hammou is a Moroccan middle-distance runner who specialises in the 800 metres. She represented her country at the 2004 Summer Olympics and has also competed at the World Championships in Athletics and the IAAF World Indoor Championships. She has also been the gold medallist at number of major events including the 2001 Mediterranean Games, the 2003 Military World Games, the 2007 Pan Arab Games and the 2009 Jeux de la Francophonie.
Muizat Ajoke Odumosu Alademerin is a Nigerian track and field athlete who specialises in the 400 metres and the 400 metres hurdles. She represented Nigeria at the 2008 and 2012 Summer Olympics and competed at the World Championships in Athletics in 2007, 2009, 2011 and 2013. She was the bronze medallist at the 2007 All-Africa Games and went on to become the continental champion with a win at the 2008 and 2012 African Championships.
Anna Vasylivna Ryzhykova, nee Yaroshchuk is a Ukrainian track and field athlete who specialises in the 400 metres hurdles. At the European Athletics Championships, she won silver medals in 2012 and 2018, and bronze in 2022. Ryzhykova placed fifth at the 2020 Tokyo Olympics.
Cornel Edwin Fredericks is a South African track and field athlete who competes in the 400 metres hurdles. His personal best for the event is 48.14 seconds.
Hachim Ndiaye is a retired Senegalese sprinter who specialized in the 400 metres.
Janieve Russell is a Jamaican track and field athlete who competes mainly in the 400 metres hurdles and the 400 metres sprint. She won an Olympic bronze medal in the 4 × 400 m relay in Tokyo 2021, where she also finished fourth in the 400m hurdles final in a personal best of 53.08 secs. She is a four-time Commonwealth Games gold medallist, winning the 400m hurdles title in 2018 and 2022, and the 4 × 400 m relay in 2014 and 2018. She has also won two relay silvers at the World Championships and a relay gold at the World Indoor Championships.
Dylan Borlée is a Belgian sprinter who competes in the 400 metres. He is a member of the Borlée family.
Claudia Heunis is a South African track and field athlete who competes in the 100 metres hurdles. She was the gold medallist in the event at the African Championships in Athletics in 2016. She holds a personal best of 13.36 seconds, set while winning that medal. Currently her personal best is 13.23 seconds.
Souliath Ajjouolakpe Saka is a Beninese sprinter who specializes in the 200 and 400 metres.
Mamadou Gueye is a retired Senegalese sprinter who specialized in the 400 metres.
El Hadj Sethe Mbow is a retired Senegalese athlete who specialized in the 400 metres hurdles.
Senegal 
