The 5K Foam Fest - London, ON returns on July 25th, offering a unique obstacle course based fun run through the heart of London's city parks and neighbourhoods. Expect to navigate over 25 exhilarating obstacles including the world’s largest inflatable waterslide, mud pits, and more than 2.5 million cubic feet of foam! This event is designed for all ages and abilities—rock out all day to awesome music, enjoy a free kids zone, taste delicious food from local vendors, shop at booths, and celebrate your success in our well-stocked beer garden.
1 Entry Start: 08:00:00 • Fee: CA$63.74
Family Pass ($49.99 per person based on a min of 4 5km • Start: 08:00:00 • Fee: CA$58.47
The course winds through the city’s verdant parks with lush greenery and scenic views. On this summer morning, the air will be crisp but warm, carrying hints of freshly cut grass mixed with the promise of foam-filled fun. The atmosphere is electric as participants gather for a day filled with challenges both physical and mental—each obstacle designed to test your limits in a safe and engaging environment. The 5K Foam Fest has been a cornerstone of London’s summer calendar since its inception, hosting over two thousand runners each year who come together not just to race but to celebrate their community spirit. The event supports local charities through proceeds from registration fees, making it more than just an exciting day out; it's a significant fundraiser for worthy causes. The course itself is meticulously laid out in the scenic parks of London’s west end. Starting at the picturesque Sir Winston Churchill Park, runners will face challenges ranging from mud pits and foam slides to climbing walls and balance beams. The layout ensures that no two obstacles are alike—each one designed to challenge your body while providing a memorable experience. At the finish line, expect an array of amenities including water stations, porta-potties, and plenty of space for spectators to cheer on their friends and family. Elevation changes will be minimal but varied enough to keep things interesting. As you run or walk through the course, anticipate temperatures in the low 20s Celsius with a gentle breeze that feels like it’s perfect July weather—neither too hot nor too cold. Registration for The 5K Foam Fest - London, ON opens on February 6th at 11:59 PM. Save $90 off full price when you register early! Visit https://raceroster.com/events/2026/108947/the-5k-foam-fest-london-on to sign up today and secure your spot in this one-of-a-kind event. Bib pickup will be on race day from 7 AM onwards at the Sir Winston Churchill Park. Bring a valid ID, wear comfortable clothing suitable for running or walking, and come prepared with water and snacks if you wish. For first-timers, remember to arrive early to check-in, receive your bib, and familiarize yourself with the course layout. The 5K Foam Fest - London, ON on July 25th is a celebration of community spirit and a chance for all ages and abilities to come together in friendly competition. Mark your calendars now; don't miss out on this unique opportunity to be part of something bigger than just a race!
Races Offered
1 Entry
Jul 25, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$63.74
Family Pass ($49.99 per person based on a min of 4
Jul 25, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$58.47
Military/First Responder - 1 Entry
Jul 25, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$58.47
Weather History
These values represent the 3-year monthly averages for July in London.
thermostatTemperature
16.9° / 26.3°
wb_sunnyFeels like
17.0° / 26.7°
light_mode
Avg sunshine hours
12h 20m
water_drop
Avg rainfall
3.9 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.4 km/h (Light breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
Very High (8.0)
humidity_mid
Humidity
76.3%
wb_twilight
Sunrise
06:01
nightlight
Sunset
20:59
About London
Learn more about the host city, London.
London is a medium-sized city in Southwestern Ontario with a population of 378,000. It is west of Toronto, between Lake Huron and Lake Erie at the fork of the Thames River, which was named after the River Thames in London, England.