In 99 days · Sat, Oct 17, 2026
Don't let race day sneak up
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When
Saturday, October 17th, 2026
Where
Castle Rock Rd, Walnut Creek CA
Distances
Half · 5K · 10K
About this race
Race Overview
Join us for the Diablo Summit Stomp 2026 on October 17, 2026, at Castle Rock Rd, Walnut Creek, CA. For more information, visit Race Roster.
Course Details
- Trail-Based: All courses are on trails.
- Hill Challenges: While there are some hills, the event is designed to be friendly to all runners.
- Inclusive: First-time trail runners and experienced runners alike will find it enjoyable.
- Walkers/Hikers: Walkers and hikers are welcome in all distances.
Awards Information
- Age Group Awards: Awards will be given to the top 3 finishers in each age group.
- Categories: Awards will be distributed in 5-year categories, with smaller categories for younger ages.
- Recognition: Celebrate your achievements with fellow runners.
- Participation: All finishers are recognized and celebrated.
Course map
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