Diablo Trails Challenge 2025

Saturday, April 5, 2025 Past event

Walnut Creek, California

6 races

5km, 10km

Event summary

Join us for the exhilarating Diablo Trails Challenge 2025 on Saturday, April 5th, 2025, in the scenic Walnut Creek, Contra Costa. This event is not just a race; it's a celebration of nature and community, supporting the vital work of Save Mount Diablo, which has expanded open space around this iconic mountain from 6,788 acres to over 100,000 acres over the past 40+ years.

Whether you're a beginner looking to explore the trails or an experienced ultra-runner ready to push your limits, there’s a race distance for everyone. Participants can choose from a variety of distances that cater to all skill levels, making it a perfect opportunity to challenge yourself while enjoying the beauty of the great outdoors. Plus, a portion of all entry fees will directly benefit Save Mount Diablo, ensuring that these trails remain preserved for generations to come. Don't miss out on this chance to be part of a memorable event that combines fitness, fun, and a commitment to conservation!

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Races

50k

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Half Marathon

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10k

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5k

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Remote Runner

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BBQ ticket

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Organiser's description

For over 40+ years, Save Mount Diablo has worked tirelessly to preserve and increase the open space on and around Mount Diablo. In that time, their efforts have taken us from 6,788 acres of open space to over 100,000 acres of open space on and around the mountain!With distances suitable for everyone from those hitting the trails for the first time to experienced ultra-runners, the Diablo Trails Challenge was created to help celebrate and support these achievements. A portion of all entry fees will go to Save Mount Diablo to help them continue preserving open space and trails for all of us to enjoy.