Diablo Trail Run

Event Details

Date: September 7, 2025

Location: Diablo State Park (Mitchell Canyon Trailhead), 96 Mitchell Canyon Road, Clayton, CA 94517, US

Course Options

• 4 Mile – 6.4 km
  Price: $40 - $60
• 10 Mile – 16.1 km
  Price: $50 - $70
• Half Marathon – 21.1 km
  Price: $60 - $80
• Marathon – 42.2 km
  Price: $70 - $90
• 50K – 30.4 miles
  Price: $80 - $100
• Kid's Run (6yo & younger, 50 yd dash) – Free!
• Coastal Testing – 2 miles, Free!

Description

Mount Diablo provides spectacular views and a challenging terrain for all trail running levels. Runners can enjoy a beautiful running experience among the scenic trails of Mitchell Canyon.

Aid Stations

Fully stocked aid stations will be available every 3-5 miles, providing essential refreshments for all runners.

Registration and Fees

Registration is open, with different price tiers available based on date.

Important Notes

We recommend arriving early to allow for check-in, and please note that parking costs $6 per vehicle.