Diablo Summit Stomp 2025

Saturday, October 18, 2025 Past event

Walnut Creek, California

5 races

5km, 10km, Half Marathon

Event summary

Get ready for an exhilarating day at the Diablo Summit Stomp 2025, taking place on Saturday, October 18th, in the beautiful Walnut Creek area of Contra Costa! This exciting trail running event caters to all fitness levels, making it perfect for both first-time trail runners and seasoned athletes. Participants can choose from a variety of scenic race distances, with courses designed to showcase the stunning natural surroundings.

Whether you're a runner, walker, or hiker, everyone is invited to join in the fun on these picturesque trails. Plus, there’s an added incentive with age group awards for the top three finishers in 5-year categories, ensuring a spirited competition for all participants. Don’t miss out on this fantastic opportunity to challenge yourself and enjoy the great outdoors at the Diablo Summit Stomp 2025!

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Races

5k

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10k

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Half Marathon

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30k

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Remote Runner

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Organiser's description

All courses are on trails. While there are some hills, this event, like all Brazen Racing runs, is very friendly to first-time trail runners and experienced runners alike.Walkers/hikers are welcome in all distances.Age group awards will be awarded to the top 3 finishers in 5 year categories (smaller categories for the younger ages).