Entry Fees

A portion of all registration fees will go to Save Mount Diablo to fund land preservation and trails.

There are three prices: early bird (available until midnight on Sunday 9/21), regular (available from 12:01 am on Monday 9/22 until midnight on Sunday 10/19) and late/race day entry (any point after 12:01 am Monday 10/20). We recommend saving money and entering early!

Family Hike Entry Fee: $43 through 9/21, $48 through 10/19, $53 after 10/19

(Entry fee for Family Hike includes up to 2 adults and 2 kids. Includes medals for kids. Does not include shirts, but those can be purchased separately with registration.)

5K Entry Fee: $48 through 9/21, $53 through 10/19, $58 after 10/19

10K Entry Fee: $53 through 9/21, $58 through 10/19, $63 after 10/19

Half Marathon Entry Fee: $74 through 9/21, $79 through 10/19, $84 after 10/19

Please note: To be guaranteed your shirt size (or a technical shirt), you must register by midnight on October 20th! We normally have plenty of extra shirts on race day, but it is always possible that we will run out of your size if we do not know what it is in advance!

Online Registration

Sign up online here:

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Mail-In Registration

To register by mail, use this form.

Bib Pick-Up

We will have early bib pick-up on October 31st (Friday, 10:00-7:00) and November 1st (Saturday, 10:00-5:00) before the race at Forward Motion Sports in Danville. Location is 432 Hartz Ave in Danville. Directions can be found at their website here.

Bib pick-up will also be available near the start/finish area on race morning.

Race-Day Registration

If the race is not 100% sold out, race day registration will be available. For the 5K, 10K and half marathon, this will begin at Castle Rock Regional Park at 6:45 am. Those wishing to sign up for the family hike can do so by taking the 9:00 am shuttle from North Gate High School (425 Castle Rock Rd  Walnut Creek) to the race start at Borges Ranch.


Want to run with us, but can't make it in person?