Biddeford
Triathlon Calendar near Biddeford 2026-2027
Monthly updates for Biddeford
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Explore the top triathlons near Biddeford for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
July 2026
An adventure-style triathlon combining a 1.2 mile swim, a 95 mile bike, and a final run up to Mount Washington summit, with athlete support allowed and strict prior-qualification requirements.
August 2026
A swimrun across the Casco Bay Islands off Portland, Maine, with three distances from about 9.7 km to 35.2 km. Athletes travel by ferry to start islands and finish on Peaks Island with post race food and awards.
OTILLO Swimrun Casco Bay Islands is a swimrun event in Long Island, Maine on August 9, 2026, offering World Series, Sprint and Experience categories for solo and team entrants plus spectator boat tickets for adults and children.
September 2026
Experience a scenic multi-sport weekend in Maine featuring triathlons, a unique hill climb challenge, and various running distances. Enjoy a famous post-race pumpkin-themed brunch and community atmosphere at this 20th anniversary festival.