MARK English was 11th in the men’s 800m at the Golden Spike meeting in Ostrava.
English trailed off at the end of the race to finish in 1:47.85 at the Mestský Stadion.
The Finn Valley AC man had been at the head of a pack that chased leader and winner Max Burgin.
English was second until 600m, but fell away over the last 200m.
Burgin, the 18-year-old Briton, won in a world lead time of 1:44.14.