Trail Running Calendar Ontario 2025-2026

Run flat, scenic courses along Lake Nipissing in North Bay this September with 5k, 10k, half marathon and a free 1 mile kids race. Enjoy waterfront views, on course aid and support YMCA North Bay through the Fill The Bus campaign.

Join the 7th annual Kincardine 7K Trail Challenge on September 19, 2026 at Station Beach, a scenic 7 km trail run or walk suitable for all paces. Stick around for post race awards celebrating top finishers and youth participants.

Join the 13th annual Kitchener Kids with Cancer on Sept 19 at Kiwanis Park to support the Pediatric Oncology Group of Ontario. Choose a timed 5 KM or 10 KM on scenic park trails, earn a finisher medal and enjoy family friendly fun.

Take on the Monster of Mazinaw at Bon Echo Provincial Park on September 19 2026 with 10, 30 or 43 km options across scenic yet technical rocky single track and big climbs. Entry is limited to 250 runners; race tee and finisher medal include..

Blue Bully Ultra is a three day stage trail race at Blue Mountain Resort, Sept 25 to 27, 2026, with Big Bully and Little Bully options. Take on a vertical opener, a long cross country stage and a timed loop finale with on course support.

Run the Heart Lake stop of the 5 Peaks Ontario Trail Running Series on Saturday October 3, enjoying shaded trails, fall colours and lake views. Choose distances from a kids run to longer challenge and soak up a friendly trail race vibe.

Run The Caves offers scenic single track trails through ancient forest and river valley, with distances from a 1 km kids run to a 50 km ultra. This green cup free race near Peterborough donates to mental health charities.

Challenge yourself at Sticks n' Stones in Christie Lake, Hamilton: runnable single loop trail races from 5k to 53k with aid stations, pro timing and race photos. Try La Sportiva demo shoes, enter giveaways and support Oceana Canada.

Run the scenic Fanshawe trails at Phoenix Trail Races on Oct 17, 2026, with 25k and 50k options over varied single track, pine chip and lakeside terrain. Limited spots, aid stations, medal and post race meal make this a must for trail lover..

Explore two scenic 7 km trail loops at Long Sault Conservation Area in Bowmanville this October with distances from 7K to 21K plus a 6 hour endurance challenge and a 2K kids run. Trail snacks, on course support, and community vibes await.

Creemore Vertical Challenge on October 17, 2026 offers 14K, 27.5K, 55K and 80K 50 mile looped courses with hefty vertical gain per lap. Enjoy scenic gravel roads and trails, stocked aid stations, race swag and free event photos.

Run the Lost Valley Trail Race in Dundas, Ontario, a point to point Bruce Trail event offering 10 km and 25 km routes through scenic escarpment terrain. Field limited to 180 and La Sportiva will host shoe demos and giveaways.

The Beav Trail Race at Hilton Falls on October 31 offers 10 km, 25 km and 50 km on fast but technical trails with scenic waterfall views. Bring your own cup or bottle as no cups are provided, and finishers earn a custom medal and apparel.