Brunswick
Triathlon Calendar near Brunswick 2025-2026
Monthly updates for Brunswick
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Brunswick for 2025-2026! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
May 2026
Kick off New England tri season in Brunswick, Maine with a pool swim, scenic coastal bike and hard packed trail run. Multiple options including sprint, relay, college and virtual entries make it a welcome opener for all levels.
June 2026
Dive into the scenic Sebago Lake Triathlon at St. Joseph's College in Standish, Maine on June 28, 2026, with sprint, Olympic, relay, duathlon and virtual options for all levels. Fast courses, pro timing and lakeside views make it a must do summer rac..
July 2026
IRONMAN 70.3 Maine on July 26, 2026 in Augusta features a Kennebec River swim, a hilly bike and a rolling 13.1 mile run finishing at the Maine State Capitol. Chase World Championship qualifying slots with lively local support.
August 2026
Join ÖTILLÖ Casco Bay Swimrun for ocean swims and scenic island runs with rock scrambles and historic stops around Portland, Maine. Athletes and volunteers travel by ferry to the start; spectators arrange their own transport.
Experience the OTILLO Swimrun across the scenic islands of Casco Bay, Maine, with multiple solo and team race options for all abilities. Swim through clear water, run across island trails, and cheer from spectator boats for an island adventure.