Kayinsola Ajayi

Kayinsola Ajayi is a Nigerian sprinter and Auburn University athlete who competes principally in the 60 metres and 100 metres. He is an Olympic semi-finalist, a World Championships finalist and a 2026 NCAA indoor and outdoor sprint champion, and he holds Nigeria's wind-legal men's 100m record of 9.84 seconds.

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About Kayinsola Ajayi

Profile information current to 2026-08-18.

Nigeria · Sprinter · 1 affiliation

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Also known as: Kanyinsola Ajayi
Known for: 60 metres; 100 metres; NCAA Division I track and field; International sprint competition for Nigeria
Country: Nigeria

Sprinter

At a glance

Ajayi set the Nigerian men's 100m record of 9.84 seconds on 29 May 2026.
He won the 2026 NCAA Division I indoor 60m and outdoor 100m titles.
He reached the Olympic 100m semi-finals in 2024 and finished sixth in the 2025 World Championships 100m final.
He won the men's 100m bronze medal at the 2026 Commonwealth Games in Glasgow.

Sprint background

Born on 14 September 2004, Ajayi competes for Nigeria in sprint events, principally the indoor 60 metres and outdoor 100 metres, and has also run the 4x100-metre relay. He won the African U20 men's 100m title in May 2023 with a time of 10.51 seconds.

International competition

Ajayi reached the men's 100m semi-finals at the 2024 Paris Olympics, where he placed sixth in his race in 10.13 seconds. At the 2025 World Athletics Championships in Tokyo, he advanced to the final and finished sixth in 10.00 seconds. He added a Commonwealth Games bronze medal in Glasgow in July 2026, running 9.90 seconds.

Collegiate titles and national record

Competing for Auburn University, Ajayi was part of NCAA outdoor championship-winning 4x100m relay teams in 2024 and 2025. In 2026 he won the NCAA indoor 60m title in 6.45 seconds, equalling the championship and collegiate records recognized in the result, and won the NCAA outdoor 100m title in a wind-aided 9.72 seconds. Between those victories, he set Nigeria's wind-legal men's 100m record at 9.84 seconds.

Affiliations

Auburn University Junior sprinter present

Timeline

2023-05 Won the African U20 men's 100m title in 10.51 seconds.
2024-08-04 Reached the men's 100m semi-finals at the Paris Olympics, placing sixth in his semi-final in 10.13 seconds.
2025-09-14 Finished sixth in the men's 100m final at the World Athletics Championships in Tokyo in 10.00 seconds.
2026-03-14 Won the NCAA Division I indoor 60m title in 6.45 seconds, equalling the championship and collegiate records recognized in the result.
2026-05-29 Set the Nigerian men's 100m record at 9.84 seconds.
2026-06-12 Won the NCAA Division I outdoor 100m title in a wind-aided 9.72 seconds.
2026-07-28 Won bronze in the men's 100m at the Commonwealth Games in Glasgow in 9.90 seconds.

Additional verified details

Current context

World Athletics displayed Ajayi at No. 5 in the men's 100m world rankings. World rankings are dynamic and should be rechecked before publication.
Auburn's active 2025-26 athlete profile listed Ajayi as a junior on its track and field roster. Academic class and roster status may change for the next university season.
World Athletics listed 9.84 seconds as Ajayi's Nigerian-record 100m performance. Ajayi subsequently equalled the mark. His 9.72-second NCAA final was wind-aided and was not eligible as a record performance.

Biographical facts

Ajayi is a Nigerian male athlete born on 14 September 2004.
His principal events are the indoor 60 metres and outdoor 100 metres, and he has also competed in the 4x100-metre relay.