Kayinsola Ajayi

Kayinsola Ajayi (born 14 September 2004) is a Nigerian sprinter. He became Nigerian national champion in the 100 metres in 2024.

Career
From Ikorodu, he won both sprints at the 2021 Maltina School Games and set a personal best of 10.26 seconds for the 100 metres at the second AFN All-Comers meet at Yabatech Sports Center in 2022. He competed at the 2022 World Athletics U20 Championships in Cali, Colombia.

He won a gold medal in the 100 metres at the 2023 African Athletics U20 Championships in Ndola, Zambia. At that championships he also won a gold medal in the 4x100m relay.

He became Nigerian national champion in the 100 metres in June 2024. He finished fourth in the 100 metres at the African Championships in Douala, Cameroon that month. At that championships, he won a silver medal in the 4x100m relay.

In July 2024, he was officially named as part of the Nigerian team for the 2024 Paris Olympics.

Personal life
He attends Auburn University in the United States.