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Upcoming Triathlons in Maine

The Polar Bear Triathlon and Duathlon

Brunswick, ME

May 2, 2026

SprintDuathlon

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Lawroweld Triathlon

Weld, ME

June 14, 2026

Sprint

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Sebago Lake Triathlon

Standish, ME

June 28, 2026

OlympicSprintAquabike

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Norway Triathlon

Norway, ME

July 11, 2026

Sprint

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Portland Kids Duathlon

Portland, ME

July 19, 2026

Youth

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Sea to Summit Triathlon

South Berwick, ME

July 25, 2026

Unique

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IRONMAN 70.3 Maine

Augusta, ME

July 26, 2026

Half Iron

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The Great Loon Triathlon

Lincoln, ME

August 15, 2026

Half IronOlympicSprint

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Pumpkinman Triathlon Festival

South Berwick, ME

September 12, 2026

OlympicSprintAquabike

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Finding the Right Maine Triathlon

Whether you are looking for a beginnger-friendly Sprint in Maine or a challenging 70.3, Lets Race provides the most up-to-date calendar for triathletes. Our Maine list is updated daily to include Ironman, Olympic, and local club races.