All Races
Trail Running
Cycling
Triathlon
Races by City
by State
Submit
5K
10K
Half Marathon
Marathon
Ultramarathon
Training Plans
All Races
Trail Running
Races by State
Races by City
Articles
5K
10K
Half Marathon
Marathon
Subscribe
Submit Races
About
Advertise
Walnut Creek
California
Running races near
Walnut Creek
Save Mount Diablo Trails Challenge
Apr 4, 2026
Trail Running
Get the latest in training & racing.
Every other Tuesday, we’ll send you race recommendations and training trends so you can crush your next 5K to Marathon.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
featured events
Cupids Chocolate Chase
Feb 7, 2026
/
Eugene
Discover Races →
Subscribe →
Find a hotel near
Walnut Creek
