Trail Running Calendar Ontario 2026-2027

We have found 126 Trailruns in Ontario. Check below where and when you can find the races.

Harvest Hustle brings a timed 5K, a 2.0 km wheelchair-friendly Walk & Wheel and a 210 m Kids Dash together with a vendor market, family activities and live music at Mud Creek Trail.

Trail and ultra races at Warsaw Caves combine single-track forest trails, limestone lookouts and 20+ km of paths. Organized by Body and Mind Adventures, a portion of fees supports CMHA and the event is cup free.

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.

Trail event at Christie Lake with a 5.3 km loop and distances from 5 km to a 53 km solo or relay. Aid stations use no disposable cups, finishers receive medals, and the event supports Oceana Canada.

Community-focused event at the Cobourg YMCA featuring timed 2.5K and 5K courses, a 1K kids run, family discounts and virtual participation. Proceeds support the YMCA Strong Communities Campaign and include medals and a costume award.

Turkey Trot at Springbank Park on Monday October 12 2026 offers a 6.5 km cross country loop, a 2 km grass loop and a roughly 200 m Kiddy Trot, with donations collected for the London Food Bank.

Two-day obstacle-course weekend at Blue Mountain Ski Resort on October 17 to 18, 2026 featuring Sprint 5 km, Super 10 km, Beast 21 km and a kids race. Finishing the three adult races in one weekend awards the Trifecta Weekend Medal.

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.

Trail race at Long Sault Conservation Area offering 2 km, 7 km, 14 km, 21 km and a timed six hour event. The course uses two 7 km loops with a single aid station and limited on site parking.

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 race on a 2.5 km loop at Camp Heidelberg on October 17, 2026. Distances from 5 km to 50 km plus 6 hour individual and relay options, chip timed and raising funds for Run Walk Roll for WRHNCC.

Tails on Trails at Springbank Park on October 17, 2026 is a fundraiser for Humane Society London & Middlesex, featuring a 5 km run and 1 km walk, participant packs and team fundraising challenges.

Night trail race on the Maitland Trail from Auburn Riverside Retreat with **7.21 km** and **12 km** options. Registration opens May 1 2026, fee CA$65, fees are non refundable.

Point to point trail races of 10 km and 25 km along the Iroquoia Section of the Bruce Trail between Burlington and Dundas. Courses are marked, include aid stations and parking at Dundas Valley Conservation Area is included.

A point-to-point trail race along the Maitland Trail offering 25K and 50K routes with highly technical single-track, mandatory bus transport from Auburn, and a minimum age of 18. The event is currently full.

The MT Adventures Trail Run Series will take place in Kingston on Sunday 25 October 2026. You can run between 8 and 21 kilometers.

The Horseshoe Valley Hustle will take place in Barrie on Saturday 31 October 2026. You can run between 5 and 10 kilometers.

November 2026

Trail running event in Thunder Bay on November 3, 2026 with start and finish at the Kamview Chalet. Cash payment on site with a 10 USD per person fee and a 30 USD family maximum. The event is not timed.

Trail races at Hilton Falls near Milton, ON with 10 km, 25 km and 50 km options. The route mixes groomed runnable trails and technical single track, with planned aid stations, event apparel and finisher medals.

A trail running event in Oakville on November 7, 2026, offering 5 km and 11 km routes through Lions Valley, held in honour of veterans and first responders with proceeds to Wounded Warriors Canada.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.