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 5 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Triathlon at West Cliff Gardens with sea swims from the blue flag beach, bike routes toward Ringwood and sprint and standard distance options.
IRONMAN 70.3 Weymouth on September 20, 2026 features a sea swim, a rolling 56 mile bike through Dorset and a flat 13.1 mile run along the Weymouth esplanade.
June 2027
Sea swim, rolling Dorset bike routes and a multi lap run in Weymouth on 6 June 2027 with chip timing and medals for finishers.
Triathlon festival in Swanage with multiple distances, open water swims in Swanage Bay, hilly bike routes including Kingston Hill and runs on Ballard Down Ridge.
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.