Sports
Diablo Summit Stomp
Trail running event offering 30K, half-marathon, 10K, and 5K distances on Mount Diablo. Outdoor recreation focus appeals to fitness-minded crowds.
- When
- Oct 17, 2026
- Where
- Walnut Creek, CA
- Est. attendance
- 600
About this event
Trail running event offering 30K, half-marathon, 10K, and 5K distances on Mount Diablo. Outdoor recreation focus appeals to fitness-minded crowds.
View original listing on gotrail.run →Track record & vendor details
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