The same driving rain and cold temperatures affected everyone taking part, regardless of their abilities.
Photographer Bernie McAllister took these great shots at the event, which saw a record number of runners put through their paces.
13. Antrim Coast half marathon
Pushing on through the dreadful weather. Photo: Bernie McAllister
14. Antrim Coast half marathon
Concentrating on the road ahead. Photo: Bernie McAllister
15. Antrim Coast half marathon
Competitors battle onwards through the rain. Photo: Bernie McAllister
16. Antrim Coast half marathon
"We've done it!" Runners make it over the finishing line. Photo: Bernie McAllister
4 / 5