Trail Running calendar near London 2026-2027

A 5K at Boler Mountain featuring 25 plus obstacles, a large foam zone, family festival features and food vendors in London Ontario.

Backyard ultra at Eco Park in Arva ON on August 1 2026 with a 3.36 km loop repeated twice each hour, capped at 67 runners and affiliated with Big Dog's Backyard.

50 km team relay in 8 sections from North London to Broken Rail Brewery with proceeds supporting Ronald McDonald House Charities.

An in-person family fitness event at Gibbons Park on August 22, 2026 featuring obstacle runs for adults, three youth categories and a K9 course, with specific equipment rules and no refunds.

South Huron Trail Run in Exeter on August 30, 2026 features 8 km and 3.25 km trail routes with bridge crossings. Proceeds support Friends of the Trail for future trail maintenance.

Tough Mudder Toronto at Gopher Dunes on September 12, 2026 offers 5K and 15K obstacle courses, finisher medals and apparel, plus a Mudder Village with entertainment and local food.

Spartan obstacle races at Gopher Dunes near Courtland ON on Sep 13, 2026 featuring a 5 km sprint with 20 obstacles and a 10 km super with 25 obstacles.

A two-loop 5 km trail run at Bechtel Park in Waterloo on September 13, 2026, chip timed with reusable chips. Free for Run Waterloo members, standard entry listed as $15 plus fees.

Trail races at Springwater Conservation Area near Aylmer with 8 km, 16 km and 24 km options plus an 8 km night race requiring a headlamp.

Cross country style race at Willibald Farm Distillery & Brewery in Ayr on September 27, 2026 with a 2.5 km loop and 5 km and 10 km options. Proceeds support rare Charitable Research Reserve and the event is sold out.

A community fundraiser featuring a 5 km run and a 2.5 km walk at Graham Family Eco Park on September 27, 2026. Proceeds support programs for people living with epilepsy and a virtual option is available from September 26 to 28.

Family-friendly event in Exeter offering a 2 km walk and 5 km run at Morrison Dam Conservation Area to raise funds for Rural Response for Healthy Children.

Trail event on October 4, 2026 at Pinehurst Lake with a 12.5K loop and 25K, 50K and 50K relay options. Mostly natural singletrack around forest, lake and meadows with aid stations and a cup free policy.

Family-friendly Turkey Trot at Springbank Park on October 12, 2026 with 6.5 km, 2 km and a 200 m Kiddy Trot; donations collected for the London Food Bank.

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.

Looped trail race at Camp Heidelberg near Waterloo with 5 km to 50 km options plus a 6 hour relay, electronic timing and on-course aid.

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 fundraising run and walk at Pinery Provincial Park featuring multiple distances, chip timing, and support for park conservation and research.

Halloween themed run in Waterloo featuring a 5K out and back, a 200m fun run, medals for finishers and a pre race costume contest.