From big races to Saturday morning group runs—find running, cycling, triathlon, and swimming events and connect with the local endurance sports community.
Sun, Oct 12, 2025
100k Ultra
Oxford County, Maine, United StatesSat, Feb 21, 2026 at 12:00 PM
Get ready to unleash the throttle at the 1st Annual Roxbury Radar Runs, presented by the legendary Knotty Moose Tavern, on the frozen expanse of Roxbury Pond in Roxbury, Maine. This is where...
Run
Main St, Oxford County, Maine, 04275, United StatesSat, Mar 14, 2026 at 10:00 AM
Relay Ultra
Mt Abram Ski area, Oxford County, Maine, United StatesSat, Apr 04, 2026 at 8:00 AM
Fast laps. Burning legs. Zero mercy. Bust N Burn is a high-energy mogul competition built to test your grit. Expect a demanding course and big vibes. Race for the podium or just prove you can survive...
Run
15 South Ridge Road, Oxford County, Maine, 04261, United StatesSat, Jul 11, 2026 at 8:00 AM
The Maine Summer Adventure Race is an annual event designed to showcase the most beautiful, interesting, and fun parts of Maine. Self-supported teams of two to four travel nonstop on an unmarked,...
Sat, Jul 11, 2026 at 10:00 AM
The Maine Summer Adventure Race is an annual event designed to showcase the most beautiful, interesting, and fun parts of Maine. Self-supported teams one to four travel nonstop on an unmarked, linear...
Sat, Jul 11, 2026 at 12:00 PM
The Maine Summer Adventure Race is an annual event designed to showcase the most beautiful, interesting, and fun parts of Maine. The 3-hour race is a great introduction to the sport, geared towards...
Trail
308 Howe Hill Rd, Oxford County, Maine, 04255, United StatesSat, Jul 25, 2026 at 8:00 AM
ARE YOU TOUGH ENOUGH?
Tough Mountain Challenge isn’t your average obstacle race—it’s New England’s most rugged, rowdy, and relentlessly fun event. Since 2010, we’ve been tearing up the mountains of...
5k Trail
15 South Ridge Road, Oxford County, Maine, 04261, United StatesSun, Jul 26, 2026 at 10:00 AM
The Mini Mountain Challenge goes down this July 26, 2026 at Sunday River. Five hundred of the toughest and gnarliest kiddos from ages 4-12 take to the mountain obstacle course. The Mini Mountain...
Run
15 South Ridge Road, Oxford County, Maine, 04261, United StatesSat, Oct 10, 2026 at 10:30 AM
The 26th Annual North American Wife Carrying Championship® returns to Sunday River on Saturday, October 10, 2026, as part of our Fall Fest weekend. It’s weird, wild, and wildly entertaining—this...
Sun, Oct 11, 2026 at 10:00 AM
Call it cornhole, bean toss, or soft horseshoes—whatever name you know it by, this backyard classic is stepping into the spotlight. On Sunday, October 11, 2026, 48 teams will battle it out at Sunday River for cash, glory, and the title of New England Cornhole Champion.
$42 per team ($21 per person, must register as a team of 2)