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Diablo Trails Challenge 2027
Walnut Creek, California · Saturday, April 3, 2027 · Half Marathon, 50K, 10K, 5K
Official race page & registration ↗Diablo Trails Challenge 2027 takes place on Saturday, April 3, 2027 in Walnut Creek, California. The race offers 4 distances: Half Marathon, 50K, 10K, 5K. It is run on trail. For anyone travelling in, Oakland is about 14 miles away.
It is one of 84 races on the California calendar that April.
- Date
- Saturday, April 3, 2027
- Location
- Walnut Creek, California
- Distances
- Half Marathon, 50K, 10K, 5K
- Surface
- Trail
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? Tell us here.
Making a race weekend of it?
Stay near the start line in Walnut Creek: check in Apr 2, out Apr 4.
Common questions
When is Diablo Trails Challenge 2027?
Diablo Trails Challenge 2027 is scheduled for Saturday, April 3, 2027.
Where is Diablo Trails Challenge 2027 held?
Diablo Trails Challenge 2027 is held in Walnut Creek, California. It is about 14 miles from Oakland.
What distances does Diablo Trails Challenge 2027 offer?
The listed distances are Half Marathon, 50K, 10K, 5K.
How do I register for Diablo Trails Challenge 2027?
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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See every race on the California calendar, California Half Marathons, California 5Ks, or use the Race Finder for maps and filters.