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Thummer's Memorial Day 5K
Pomona, California · Monday, May 31, 2027 · 5K
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
Thummer's Memorial Day 5K takes place on Monday, May 31, 2027 in Pomona, California. The race is run over 5K. For anyone travelling in, Ontario is about 7 miles away.
It is one of 97 races on the California calendar that May. Unusually for a race, it falls on a Monday.
- Date
- Monday, May 31, 2027
- Location
- Pomona, California
- Distances
- 5K
- Entry fee
- from $20 across event options; may include kids or shorter events. Check distance-specific prices and fees.
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Pomona: check in May 30, out Jun 1.
Common questions
When is Thummer's Memorial Day 5K?
Thummer's Memorial Day 5K is scheduled for Monday, May 31, 2027.
Where is Thummer's Memorial Day 5K held?
Thummer's Memorial Day 5K is held in Pomona, California. It is about 7 miles from Ontario.
What distances does Thummer's Memorial Day 5K offer?
The listed distances are 5K.
How much does Thummer's Memorial Day 5K cost?
Listed event options start from $20. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.
How do I register for Thummer's Memorial Day 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.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Dec 20Holiday Half Marathon & 5KPomona, CA
- May 15NURSES ROCK Run/WalkSan Dimas, CA
- Apr 175K and Fun Day for Fragile XSan Dimas, CA
- Apr 10Los Angeles Superhero 5K Run Walk Health & Safety ExpoLos Angeles, CA
- Nov 14LASD Turkey Trot 5KSan Dimas, CA
See every race on the California calendar, California 5Ks, or use the Race Finder for maps and filters.