Prescod qualified in 1st place at the GB trials ahead of former World Championships finalist James Dasaolu to gain selection for the 2017 World Championships in Athletics . He competed in the men's 100 metres at the 2017 World Championships in Athletics and finished 7th in the final of the event. Having retained his British title in 2018, he finished 2nd in the final of the 2018 European Athletics Championships, behind teammate Zharnel Hughes.