Trail Running Calendar Ontario 2026-2027
We have found 119 Trailruns in Ontario. Check below where and when you can find the races.
0 – 100∞ km
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Trail running event in Thunder Bay organized by Thunder Bay Nordic Trails and Fresh Air. Entry is cash on site with on site bib pickup, and a free kids mini fun run follows the main event.
A 5 km foam and obstacle event at Victoria Park on July 11, 2026, featuring over 25 obstacles, a large volume of foam and a family friendly festival area with a kids zone, DJ and food vendors. Spectator entry is free.
Summit 700 is a trail running day at Blue Mountain Resort on July 11, 2026 offering distances from a 1.5 km kids race to a 50 km ultra and relay, with routes on the Niagara Escarpment and views of Georgian Bay.
A *5 km* obstacle run at Victoria Park, Kitchener on July 11, 2026, featuring 25 plus obstacles, large foam zones and a festival area with a kids zone, DJ, food vendors and a licensed beer garden.
Six day stage event totaling 60 km in the Waterloo region from July 13 to 18 2026. The program mixes road, time trial, cross country, technical trail, track racing and a half marathon.
A four-date trail race series in Ottawa offering a 5 km race per date, sanctioned by Athletics Ontario. The route has marked kilometres, one water station, on-site washrooms and light post-race refreshments.
A 5K obstacle and foam event on July 18, 2026 at Wasaga Beach Provincial Park featuring 25 plus obstacles, about 2.5 million cubic feet of foam, a free kids zone, live DJ, food vendors and a licensed beer garden.
An 8 km night trail run at Two Creeks Conservation Area on July 18, 2026, combining singletrack, roots and a horror-themed atmosphere. Presented by The RUNEGADE Podcast, with a portion of proceeds supporting local trails.
RUN - The Salty Marie Trails Fest 2026 is organized by Red Pine Tours and uses Zone4 for registration. Registration closes on Jul 19 and an optional QuickList can save participant details for future entries.
Trail running event in Thunder Bay organized by Thunder Bay Nordic Trails and Fresh Air with cash payment and on site number pickup. Entry is 10 dollars per person or up to 30 dollars per family; a free kids mini fun run follows.
An informal 6 km trail run on Sugarbush Vineyards' private trails as part of the Friday Night Happy Hour series, with cupless policy, water at start/finish, manual timing and on-site registration options.
Mud Hero Ottawa is a 6 km mud and obstacle course event on July 25, 2026 at Commando Paintball. It offers an all day pass, a finisher medal, DJ music, food trucks and a beer garden for 19 plus.
A 5K run at Boler Mountain on July 25 2026 featuring more than 25 obstacles and 2.5 million cubic feet of foam. Festival offerings include a free kids zone live DJ food vendors and a licensed beer garden.
Trail race at Dundas Valley Conservation Area with a 7 km loop and options from a single loop to 100 miles plus 6 12 and 24 hour timed events. Aid station, cup free policy, medals and a 100 mile belt buckle.
A volunteer-run trail event at Hersey Lake Conservation Area offering a half marathon plus 10 km and 5 km options. Proceeds support Timmins' running community and registration carries a small online processing fee.