Ontario
Trail Running Calendar Ontario 2026-2027
Explore the best trail runs in Ontario for 2026-2027! Our updated list features 97 exciting trail runs across the region. Find your next trail run in Ontario below and join the trail community at these great events!
September 2026
A trail running event in Thunder Bay organized by Thunder Bay Nordic Trails and Fresh Air. Cash payment and evening number pickup are available and a free Kids Mini Fun Run follows the main event.
October 2026
Community trail running club in Collingwood offering a six-week flagged series with 4K and 8K options, Strava scoring and post-run socials.
Trail running at Heart Lake Conservation Park with distances from 3 km to 22.5 km, maps, aid stations, a cup free policy and onsite facilities.
A community-centered running event in Manotick, Ontario on October 3, 2026 featuring a backyard ultra, a timed 5 km and a family 1 km.
Trail races in Thunder Bay from Kinsmen Park offering 50K, 25K, 10K and a 2.5Km kids loop; chip timed, cupless and served aid stations.
A family friendly 2 km walk or 5 km run at Morrison Dam Conservation Area supporting Rural Response for Healthy Children on 3 October 2026.
Family and dog friendly run and walk at Harrison Park on October 3, 2026 supporting Grey Bruce Animal Shelter with two route options and fundraising.
Trail races around Parkhill Ontario on October 3, 2026 featuring singletrack at Mystery Falls and Joany’s Woods, multiple distances, shuttle service and a post-race beverage garden.
Cross-country races in Brantford, Ontario on October 3, 2026, with online registration open until September 30; entry fee CAD $25 plus CAD $5 for MTA non-members.
Trail and ultra races at Warsaw Caves on October 4, 2026, with timed distances from 1 km to 50 km and partial proceeds to CMHA.
Trail event at Pinehurst Lake featuring a 12.5K loop with 25K, 50K and 50K relay options, natural singletrack, aid stations, and a New Balance finisher backpack.
Trail running event in Thunder Bay with on-site cash registration, a $10 per person fee and a free Kids Mini Fun Run held afterward.
Looped trail race at Christie Lake with 5.3 km laps, multiple distances, cup-less aid stations, and proceeds supporting Oceana Canada.
Inclusive family run and walk in Fenelon Falls with 1k 5k and 10k options, held on the Saturday of Thanksgiving weekend to raise funds for Women’s Resources.
A run at Ferguson Forest Centre on October 10, 2026 offering a 2 km fun run and 5 km competitive and leisure options; registration open with non-refundable fees.
Sunnybrook Park cross country prep meet in Toronto on October 11, offering 3 km and 5 km for ages 14 and up plus a Rising Stars finale for U8 to U12.
Trail event at Walden Cross Country on October 11, 2026 with 8 km, 3.5 km and a 1 km kids run; proceeds support the Walden Nordic Race Team.
Community Turkey Trot in Cobourg offering 1K kids, 2.5K run walk, 5K and virtual options to support the YMCA Strong Communities Campaign.
Turkey Trot at Springbank Park on October 12, 2026 offers 6.5 km, 2 km and a Kiddy Trot, with donations collected for the London Food Bank.
Obstacle-course weekend at Blue Mountain Ski Resort with 5K, 10K, 21K races and a Trifecta medal for completing all three on Oct 17-18, 2026.