Prescod qualified in first place at the GB trials to gain selection for the
2017 World Championships in Athletics, ahead of former World Championships finalist
James Dasaolu. He competed in the
men's 100 metres at the event, finishing seventh in the final. he finished second in the final of the
2018 European Athletics Championships, behind teammate
Zharnel Hughes. Prescod broke the
10-second barrier in the 100 metres for the first time in 2018 and did it four times that year (including a wind-assisted 9.88 s at the
Eugene Diamond League event in
Oregon, U.S.). At the
Tokyo Olympics in 2021, he reached the semi-finals. He was part of the Great Britain men's 4 × 100 metres relay team which took bronze at the
2022 World Athletics Championships|. Prescod announced his retirement from professional athletics on 4 August 2025. On 7 January 2026, Prescod announced that he would take part in the controversial
Enhanced Games. == Achievements ==