In 2025, Michael O’Sullivan has raced HYROX twice in 2 categories, once each. The only finish in the men's Individual Pro is 1:11:19 at Dublin 2025, 42nd of 88 men, faster than 52% of the field.
Best finish, by category
Individual Pro · Men
1:11:19
Dublin 2025
Individual Open · Men
1:36:29
Washington D.C. Open North American Championships 2025