Dorset
Triathlon Calendar near Dorset 2026-2027
Monthly updates for Dorset
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Dorset for 2026-2027! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.
April 2027
An early-season sprint triathlon at The Osprey Leisure Centre in Portland with a 300m pool swim, 15.2 km bike lap to Portland Bill and a 5 km beach run.
June 2027
Ocean swim, rolling bike and multi-lap run in Weymouth on 6 June 2027 with Sprint and Classic distances, chip timing and medals for finishers.
A coastal swimrun at Studland Bay combining open water swims and coastal trail running across three course options, for solo entrants or pairs.
Triathlon festival in Swanage with open water swims, hilly bike routes and ridge runs across the Purbeck Downs.
July 2027
Compact sprint triathlon in Dorchester with a 300 m pool swim, about 21 km scenic bike including Hardy's Monument, and a two-lap 5 km run.
Monthly updates for Dorset
Get new running races (and updates) in your inbox every month.
September 2027
IRONMAN 70.3 Weymouth on 12 September 2027 features a 1.2 mile sea swim, a 56 mile bike through Dorset and a flat 13.1 mile run along the esplanade.
Triathlon at West Cliff Gardens with swims from the blue flag beach, bike routes towards Ringwood and a run finishing on the sand along the promenade.