Get ready to have your mind blown with
the Drag-N-Fly Half Marathon, 10K and 5K!

Located on what was once the populated part of Contra Costa County, Black Diamond Mines and Contra Loma Regional Parks offer great trail running, panoramic vistas and a chance to see what much of local area was like in centuries past.

Three distances will be available: 5K (3.27 miles), 10K (6.64 miles) and Half Marathon (13.49 miles).

Registration Fees

5K Closed

5K No shirt Closed


10K Closed

10K No shirt Closed


Half Marathon Closed

Half Marathon No shirt Closed


Remote Runner Closed

Remote Runner No shirt Closed


Event Schedule

  • September 16 7:00 AM PDT - Hiker start (for those walking the half marathon, planning to take longer than 3.5-4 hours)

  • September 16 8:00 AM PDT - Half Marathon

  • September 16 8:15 AM PDT - 10K

  • September 16 8:30 AM PDT - 5K

Contact Information

Event Location

Contra Loma Regional Park, Frederickson Lane, Antioch, CA, United States

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