Diablo Trails Challenge 2025

Event Details

The Diablo Trails Challenge offers distances of 50K, Half Marathon, 10K, and 5K, catering to both first-timers and experienced runners. Participate to support a great cause and enjoy the beautiful trails of Mount Diablo.

Event Schedule

• 50K Race Start: April 5, 2025 at 6:30 AM
• Half Marathon Race Start: April 5, 2025 at 8:30 AM
• 10K Race Start: April 5, 2025 at 9:00 AM
• 5K Race Start: April 5, 2025 at 9:30 AM

Registration Fees

• 50K: $159.17 (Now – Jan 27), $169.85 (Jan 28 – Mar 12), $180.52 (Mar 13 – Apr 5)
• Half Marathon: $105.80 (Now – Jan 27), $111.14 (Jan 28 – Mar 12), $116.47 (Mar 13 – Apr 5)
• 10K: $86.58 (Now – Jan 27), $91.92 (Jan 28 – Mar 12), $97.26 (Mar 13 – Apr 5)
• 5K: $76.98 (Now – Jan 27), $82.31 (Jan 28 – Mar 12), $87.65 (Mar 13 – Apr 5)
• Remote Runner: $50.29 (Now – Mar 21), $55.63 (Mar 22 – Apr 5)

Contact Information

For more information, please contact:

Name: Jasmin Fiandaca
Email: [email protected]

Event Location

1700 Castle Rock Road, Walnut Creek, CA, United States