Year 5 runners get off to a rapid start at the Dunedin primary and intermediate schools triathlon in Port Chalmers yesterday. PHOTOS: LINDA ROBERTSON : Tri-ing their hearts out

Fairfield runner Jackson Phillips (10) gives it his all. : Tri-ing their hearts out

Spectators brave the rain. : Tri-ing their hearts out

Competitors jostle for position in the transition area. : Tri-ing their hearts out

Mac Chadwick (11), of Tainui School, swims during the year 6 boys’ team competition. : Tri-ing their hearts out