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The Fiery 4k Trail Run/Hike

SanPedroValleyParkThe Fiery 4k Trail Run/Hike is a moderate 2.5-mile loop with 650' of elevation gain. The loop is in the lush and shaded San Pedro Valley County Park. If you're lucky you may even catch sight of the seasonal Brooks Falls from the Brooks Creek Trail. There are no aid stations along the 4k course.

pdficon 2017 4k Map/Cue Sheet 

Check our Check-In/Start Schedule page for starting times and additional details. You can also "Follow" the Devil's Slide Run on dedicated Twitter and Facebook pages to receive regular trail run updates. 

RegisterNow Rounded 2016 Run


  • The cutoff time for all trail run courses will be 2:00 PM. Past this time, course markings will start being removed and aid stations shut down.
  • All routes are subject to change based on CalTrans and local government requirements and/or weather conditions.