Yvonne Harrison Castro, also spelled Ivonne is a Puerto Rican athlete who specialized in the 400 metres hurdles. She competed at two World Junior Championships, two World Championships, one World Indoor Championships and one Olympic Games.
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.
David Oliver, is the Director of Track & Field at Howard University and a retired American hurdling athlete. As a professional athlete, he competed in the 110 meter hurdles event outdoor and the 60 meter hurdles event indoors. He is the former 110 meter hurdles champion winning the gold medal at the World Championships in Moscow in 2013 with a time of 13 seconds. He won the bronze medal in the 2008 Olympic Games and won another bronze at the 2010 IAAF World Indoor Championships.
The 2012 IAAF World Indoor Championships in Athletics was the 14th edition of the global-level indoor track and field competition and was held between March 9–11, 2012 at the Ataköy Athletics Arena in Istanbul, Turkey. It was the first of four IAAF World Athletics Series events in 2012, which includes the World Race Walking Cup, the World Junior Championships and the World Half Marathon Championships.
Matthew John "Matt" Elias is a retired Welsh athlete who specialised in the 400 metres sprint and 400 metres hurdles. During his international career he represented Great Britain. In 2003 he won a gold medal at the European Championships and at the 2004 Olympic Games in Athens he finished 5th in the 4 × 400 m relay, He is also a part of Super Schools.
Zuzana Hejnová is a retired Czech athlete who specialised in the 400 metres hurdles. She won the silver medal in the event at the 2012 London Olympics. Hejnová is a two-time World Champion, having claimed titles at the 2013 and 2015 World Championships in Athletics. She won bronze at the 2012 European Championships and silver for the 400 metres at the 2017 European Indoor Championships.
Sarah Claxton is a retired English athlete who specialised in the 100 metres hurdles.
Javier Culson Pérez is a Puerto Rican athlete and Olympiad bronze medalist who specialises in the 400-metre hurdles. After becoming involved with the discipline in his late teen years, he entered the podium in some regional youth events, including the Pan American Junior Athletics Championships. Culson is a two-time silver medallist at the International Association of Athletics Federations's (IAAF) World Championships and an elite contender in the Samsung Diamond League, where he finished second overall in 2011. He has also garnished medals in events with lower profiles, including the Central American and Caribbean Games and the Ibero-American Championships. He currently holds the record as "the world's fastest man" in that category. Culson also competed at the 2012 Olympics in London winning the bronze medal in the 400-metre hurdles race. In the 2016 Olympics in Rio, Culson made it all the way to the finals of the men's 400m hurdles only to be disqualified by a false start.
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.
The Ponce Grand Prix de Atletismo is a track and field competition held yearly in Ponce, Puerto Rico at the Francisco Montaner Stadium. The event started in 2007, after the successful hosting of the 2006 Ibero-American Championships. It was considered among the most important athletic events in the Caribbean based on the competitive and organizational quality of the event. Starting with the 2012 season, the Ponce Grand Prix joined the IAAF World Challenge competitions until 2015 and represented the only other city in the Americas, outside Kingston, Jamaica, and Rio de Janeiro, Brazil in the circuit. The event was relaunched in 2022 named Puerto Rico International Athletics Classic as part of the silver level scheduled World Athletics Continental Tour.
The 16th IAAF World Indoor Championships in Athletics were held between March 17 and 20, 2016 in Portland, Oregon, United States.
The 17th IAAF World Indoor Championships was held from 1 to 4 March 2018 in Birmingham, United Kingdom. This was the city's second hosting of the event as it previously did so in 2003.
The men's 400 metres hurdles event at the 2016 Summer Olympics took place between 15–18 August at the Olympic Stadium. There were 47 competitors from 33 nations. The event was won by Kerron Clement of the United States, the nation's 19th victory in the men's long hurdles. Clement was the ninth man to win multiple medals in the event. Both Kenya and Turkey earned their first medals in the men's 400 metres hurdles, the former with Boniface Mucheru Tumuti's silver and the latter with Yasmani Copello's bronze.
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.
Ayomide Temilade Oluwatoyosi Folorunso is an Italian athlete specialising in the 400 metres hurdles. She competed in the 4 × 400 metres relay at the 2015 World Championships in Beijing.
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.
Abderrahman Almoubarrake Samba Alsaleck is a Qatari male track and field athlete who specialises in the 400 metres hurdles. He was born and grew up in Saudi Arabia but chose to represent Mauritania – his father's homeland – before eventually switching allegiance to Qatar and moving to Doha in 2015. He became eligible to compete for his adopted country in May 2016. He was the second person to run the 400m hurdle event in less than 47 seconds.
2022 in athletics was a year highlighted by an unusual number of significant athletics events. The delayed 2020 Olympic program led to the 2021 World Athletics Championships being rearranged for 2022, while events normally held in the middle years of Olympic cycles, such as the Commonwealth Games athletics program and the various continental championships were also held, meaning significant numbers of athletes had several peaks in quick succession, particularly Canadian, British, Australian, Kenyan and South African athletes.
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