Trail Running calendar near Byron 2026-2027

We have found 10 Trailruns within 80 kilometers of Byron. See below where and when you can find the races.

On July 25, 2026 at Boler Mountain, the 5K Foam Fest in London, ON offers a 5 km course with 25+ obstacles, 2.5 million cubic feet of foam and a festival atmosphere with a kids zone, DJ, food vendors and a beer garden.

August 2026

A backyard ultra at Eco Park in Arva, ON on August 1, 2026 where runners repeat a 6.7056 km hourly loop until one is last standing. Field limited to 67 and the winner receives a Silver Ticket for the World Team Championship.

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.

Trail event in Exeter on August 30, 2026 offering 8K and 3.25K options with multiple bridge crossings; proceeds support trail maintenance.

September 2026

Tough Mudder Toronto returns to Gopher Dunes on September 12, 2026 with 5K and 15K off road courses featuring many obstacles and finisher items like a medal, shirt, headband and a post race drink.

Spartan obstacle races at Gopher Dunes, Courtland (near London, ON) on Sep 13, 2026, offering a Sprint (5 km, 20 obstacles) and Super (10 km, 25 obstacles). Spectator tickets and team options are available.

Trail race at Springwater Conservation Area near Aylmer on September 26, 2026 offering 8k, 16k, 24k and an 8k night race with headlamps required. Registration includes park admission and a portion of proceeds supports the Children's Health..

October 2026

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.

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.

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.

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.