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Maine Triathlon Calendar 2026-2027

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Explore the best triathlons in Maine for 2026-2027! Our updated list features 2 exciting races across the region. Find your next race in Maine below and join the running community at these great events!

July 2027
Jul
25
Su

Ironman 70.3 Maine

Triathlon Middle distance 1.2 56 13.1 mi
IRONMAN 70.3 Maine in Augusta features a fast Kennebec River swim, a 56 mile bike and a 13.1 mile run with strong community and spectator support.
Jul
31
Sa

Sea to Summit Triathlon

Triathlon Sea to Summit Triathlon 1.2 95 11.5 mi Relay Team 1.2 95 11.5 mi
For qualified athletes: a 1.2 miles swim, 95 miles bike and a run to the Mount Washington summit, organized by New England Endurance Events.
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