Diablo Summit Stomp

The Diablo Summit Stomp is a trail running event held in Walnut Creek, California, featuring distances of 30K, half marathon, 10K, and 5K. The courses traverse dirt trails starting from Castle Rock Park and extend into Mount Diablo State Park, with the 30K reaching the summit of Mount Diablo. The event welcomes both first-time trail runners and experienced athletes, with walkers and hikers allowed in all distances.

The terrain includes hills and may feature mud and creek crossings depending on weather conditions. The race offers marked courses, aid stations with refreshments, and age group awards, creating a challenging yet friendly atmosphere for participants. Visit the organization's website for the most recent information.