The 5K Foam Fest - London, ON

5K Foam Fest London, Ontario - July 25, 2026

The event is a 5 km run held at Boler Mountain in London, Ontario on Saturday July 25, 2026. The course features more than 25 obstacles across the route, including an inflatable waterslide, multiple slip n slides, mud crawl sections and foam zones. The organizer states that about 2.5 million cubic feet of foam are produced for the event.

Participant items listed by the organizer include a string bag, a 5K Foam Buff, a finisher medal, a festival wristband and a temporary tattoo. A free low resolution finish photo is provided and a high resolution version is available for purchase. On-site facilities include water stations, a rinse station, a free kids fun zone, a live DJ, food vendors and a licensed beer garden. A gear check is available for a five dollar donation and shaded areas are noted.

Pricing information lists a full price of $139.99 and a current price of $69.99, plus local taxes and fees. Spectator entry is free. The venue address is Boler Mountain, 689 Griffith St., London ON N6K 2S5. Some obstacles and features are noted as available only at certain venues. Visit the organization's website for the most recent information.