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Upcoming Races

The Trail Blaze Tour Pass
2/8/15, 4/26/15, 7/12/15, 10/11/15

The Rattlesnake Ramble 5K/10K/Half
Sunday, 2/8/15

The Sasquatch Scramble 5K/10K/Half
Sunday, 4/26/2015

The Tick Trailblaze 5K/10K/Half
Sunday, 7/12/15

The Honey Badger Half & 5K/10K
Sunday, 10/11/15

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The Rattlesnake Ramble 5K/10K/Half

Rattlesnake Ramble logo 2015

WHEN: SUNDAY, FEB.8, 2015. Half marathon starts at 9:15, 10K starts at 9:30, 5K starts @ 9:45
WHERE: 17930 Lake Chabot Road, Castro Valley, CA 94546
COST: 5K-$30-$40, 10K-$40-$50, HALF-$70-$80

Participant Perks

All participants receive epic views, awesome trails, adventure, a Rattlesnake Ramble technical tee, fuel from Powerbar, post-run beverages courtesy of Hint Water & Pyramid BrewerySomersault Snacks,  yogurt from Crunch Culture, post-run massage from PSOAS Massage/Bodywork, and more!

All Half marathoners get a Rattlesnake Ramble medal that doubles as a bottle opener.

Never done one of our races before? Check out the following video to get an idea of the awesome trails, epic views, and excellent people you will experience on race day!

 Tune Up Run(s):

Get the lay of the land, get your trail fix, and get some chilled Pyramid beer following the run!

-Satuday, 1/24 @ Lake Chabot Regional Park in Castro Valley, CA. @ 9:30AM (6ish miles)

Race Bib/Shirt Pickup Events

-Saturday, 1/31 @ A Runner’s Mind (3575 Sacramento St.) in San Francisco, CA from 10AM-3PM.

-Thursday, 2/5 @ Pyramid Brewery (901 Gilman St) in Berkeley, CA from 5-8PM.

-Sunday, 2/8 (Race Day) @ Lake Chabot from 7:30AM-9AM

Parking Procedures

As parking at Lake Chabot is limited we’d encourage you to carpool with 2 more race participants.

Please plan to arrive 30-45 minutes in advance to also guarantee a parking spot within the park. Bring cash as you will need to pay for a parking permit when you arrive.

Alternatively, there is ample street parking outside the entrance to Lake Chabot Regional Park.


5k Run


10k Run


Half Marathon Run