Maine
Maine Triathlon Calendar 2026-2027
Monthly updates for Maine
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Explore the best triathlons in Maine for 2026-2027! Our updated list features 11 exciting races across the region. Find your next race in Maine below and join the running community at these great events!
May 2026
Pool-based sprint triathlon and duathlon at Bowdoin College in Brunswick, Maine. Distances are 525 yard swim or 2 mile run, 11.5 mile bike and 3 mile run; the event is USA Triathlon sanctioned with virtual options.
June 2026
A sprint triathlon at Camp Lawroweld on June 14, 2026, with open water swims in Lake Webb and bike and run courses around the lake and mountains. Individual, team, and kids events are offered, with a post race meal and camping options.
A multi-event race day at St. Joseph's College on June 28, 2026, featuring Sprint and Olympic triathlon courses, duathlon, aquabike, relays, and virtual options. Swim in Sebago Lake, bike on country roads, and run on campus trails.
July 2026
Triathlon Pohénégamook 2026 is a family friendly multisport event in Pohénégamook on July 4 and 5, with a conference and open water swim clinic on July 4 and multiple race distances for youth and adults on July 5.
Experience a USAT sanctioned sprint triathlon at Lake Pennesseewassee Park. This event features a 750 meter swim, a 20 km bike ride, and a 5 km run for individuals and relay teams.
A multi-leg event at Spring Hill Recreation Area that combines a 1.2-mile swim, a 95-mile bike, and a run finishing with a climb to the tallest mountain in the Northeastern United States, with porter support for athletes.
August 2026
A multi sport event in Lincoln, Maine offering Olympic and Sprint triathlons plus corresponding duathlon options around Prince Thomas Park and Lake Mattanawcook.
A coastal swimrun across the islands of Casco Bay near Portland, Maine, offering three courses that combine ocean swims and island trail runs. Ferry transfers for athletes are included and mandatory gear and safety cut offs apply.
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.
A sprint triathlon at Pemaquid Beach Park in Bristol Maine featuring a 400 yard swim, 17.4 mile bike and 3.1 mile run. The event supports Bristol Parks and Recreation and allows relay teams of up to three people.