Triathlon Calendar near Dover 2026-2027

July 2027

Triathlon Sea to Summit Triathlon 1.2 95 10 mi Relay Team 1.2 95 10 mi

A multisport event featuring a 1.2 mile swim, a 95 mile bike and a run to the summit of Mount Washington with support from a designated porter.

September 2027

Sep

19

Su

Wallis Sands Triathlon

Rye | 14 mi from Dover

Triathlon Duathlon Sprint 0.33 14.5 mi Sprint 0.33 14.5 3.2 mi Duathlon 1.1 14.5 3.2 mi Duathlon Relay 1.1 14.5 3.2 mi

Multi-discipline races at Wallis Sands State Park in Rye, NH featuring a 1/3 mile ocean swim, a 14.5 mile bike loop, and a 5K run plus virtual options.

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