The 5K Foam Fest - London, ON 2026

This page is kept as a past race archive for the Jul 25, 2026 edition in London, ON. Use the links below to find upcoming races in the same area or distance category. You can also browse the 2026 race calendar.

The 5K Foam Fest brings a playful obstacle-course day to Boler Mountain in London. It’s set up for runners, walkers, and families who want a shorter, high-energy outing with plenty of foam and mud along the way.

This London stop includes a 5K option, plus Kids Race and Walk entries. The event leans into a festival atmosphere, with music and a course that can be taken at your own pace.

It’s a good fit for first-timers as well as regular OCR fans who want a lighthearted summer challenge in the city.

For runners comparing local mixed options, it fits alongside other mixed races in London.

The course follows an obstacle-course fun run at Boler Mountain. Obstacles are optional, so participants can move through the route at their own pace. Expect foam, mud pits, and a festival-style finish area.

• Boler Mountain venue in London, ON
• 5K, Kids Race, and Walk options
• Obstacle-course-style fun run
• All obstacles are optional
• Foam, mud, and music on course
• Designed for all ages and ability levels