RunRace USA › California › E3 Foundation Fun Run 2K/5K
E3 Foundation Fun Run 2K/5K
Rancho Cucamonga, California · Saturday, October 17, 2026 · 2K, 5K
Official race page & registration ↗E3 Foundation Fun Run 2K/5K takes place on Saturday, October 17, 2026 in Rancho Cucamonga, California. The race offers 2 distances: 2K, 5K. For anyone travelling in, Ontario is about 6 miles away.
It is one of 321 races on the California calendar that October.
- Date
- Saturday, October 17, 2026
- Location
- Rancho Cucamonga, California
- Distances
- 2K, 5K
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Rancho Cucamonga: check in Oct 16, out Oct 18.
Common questions
When is E3 Foundation Fun Run 2K/5K?
E3 Foundation Fun Run 2K/5K is scheduled for Saturday, October 17, 2026.
Where is E3 Foundation Fun Run 2K/5K held?
E3 Foundation Fun Run 2K/5K is held in Rancho Cucamonga, California. It is about 6 miles from Ontario.
What distances does E3 Foundation Fun Run 2K/5K offer?
The listed distances are 2K, 5K.
How do I register for E3 Foundation Fun Run 2K/5K?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
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- Oct 172026 SKECHERS Wicked Wine Run Paso RoblesPaso Robles, CA
See every race on the California calendar, California 5Ks, or use the Race Finder for maps and filters.