Trail Running Calendar Ontario 2026-2027

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.

Trail races at Heart Lake Conservation Park on October 3, with distances from a 3 km kids run to a 22.5 km grit course, shaded trails, aid stations on course, a cup free format and limited parking.

A backyard ultra in Manotick on October 3, 2026, focused on repeating loops and mutual support among runners. The event highlights community connection and the local gathering place around 692 Coffee & Bar.

Trail races in Thunder Bay offering a 2.5 km kids run plus 10 km 25 km and 50 km options. Routes start and finish at Kinsmen Park and include aid stations chip timing finisher medals and age division awards.

Community Living Chatham-Kent's Harvest Hustle on October 3, 2026 in Chatham offers a timed 5K, a 2.0 km Walk & Wheel and a 210 m Kids Dash, plus a vendor market, food truck, live music and family activities.

Trail and ultra races at Warsaw Caves Conservation Area offering individual, team and virtual formats with chip timing. A portion of fees supports CMHA and the event operates as a cup free, environmentally focused race.

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 races at Christie Lake on October 10, 2026 offering distances from 5 km to 53 km with a relay option. The event supports Oceana Canada and provides aid stations plus on course nutrition from a local supplier.

An inclusive trail run and family fun walk on the Kawartha Rail Trail supporting Women’s Resources of Kawartha Lakes. Distances include 1k, 5k and 10k with timing, wooden finisher medals and on site services.

Community running event in Cobourg supporting the YMCA Strong Communities Campaign. Multiple on-site distances and a virtual option, grass course with small hills, medals for select finishers and awards for top placements.

A family oriented Thanksgiving Monday event at Springbank Park on October 12, 2026 offering a 6.5 km cross country loop, a 2 km grass loop and a short Kiddy Trot, with race day donations for the London Food Bank.

Obstacle course races at Blue Mountain on Oct 17 and 18 2026 include Sprint 5K, Super 10K and Beast 21K over rugged trails. A kids race and spectator tickets are available.

Trail races at Fanshawe Conservation Area offering 25k one loop and 50k two loops on a mixed surface reservoir trail. The event includes aid stations, timing chip, finisher medal and a planned burgundy unisex half zip.

A trail event at Long Sault Conservation Area on October 17, 2026 featuring 2K kids, 7K, 14K, 21K and a six-hour loop event across two 7 km trails.

A mixed gravel road and trail loop in Creemore offering 14K, 27.5K, 55K and 80K/50M options with multiple laps, aid stations, finish items, and photography provided after the race.

Trail event on October 17, 2026 at Camp Heidelberg in Waterloo ON. Run 2.5 km loops in distances from 5 km to 50 km, with 6 hour and relay options; proceeds support Run-Walk-Roll for WRHNCC.

Tails on Trails at Springbank Park supports Humane Society London & Middlesex with 1 km and 5 km route options, team challenges, a running pack and chip timing available on request.

Community run and roll on October 18, 2026 with 2 km, 6.5 km and 13 km routes, a costume contest with gift card prizes, required pre registration and finish line refreshments.

A night trail race from Auburn Riverside Retreat with 7.21 km and 12 km options. Registration opens May 1, 2026; fees are non-refundable and t-shirt availability is limited for late entries.

Point to point trail races of 10 km and 25 km along the Bruce Trail from Burlington to Dundas, finishing at Dundas Valley Conservation Area; bus transport to starts, aid stations, and limited to 180 entries.