Diablo Summit Stomp
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Diablo Summit Stomp
The Diablo Summit Stomp is a trail running event on October 17, 2026 at Mount Diablo near Walnut Creek. The event is organized by Brazen Racing and features multiple trail distances held entirely on natural surface routes.
Available distances include:
- 30K
- Half Marathon
- 10K
- 5K
All courses are on trails and include some hills. Depending on weather, portions of the courses may have mud and creek crossings. Walkers and hikers are welcome to participate in any distance.
The event provides typical race services such as bib pick up and timed results. Volunteer photographers supply event photos free of charge. Sponsors are listed for the event and contribute to support operations and reduce entry costs.
Information about race logistics such as course layouts, directions, shirts and awards, start procedures, and frequently asked questions is provided by the organizer. Volunteer opportunities are available to support the event and participants. Visit the organization's website for the most recent information.
