2016 Rattlesnake Ramble

12th Annual Race on September 10th

2015 Full Results Here

2015 Photos

More 2015 Photos

2015 Race Report


2016 Participants (1)

Due to non-starters, we'll sign up at least 110 runners and there currently will still be race day sign-up until we hit 110-115 signed up

Women's shirts are still available! Just $20. Contact me to purchase one.


Shirts left: 0

2013 Rattlesnake Ramble from Bill Wright on Vimeo.

When: Saturday, September 10, 2016, 8:00 a.m.
Where: Eldorado Springs Canyon State Park, just south of Boulder
Course: A 4.25 mile out-and-back course with 850 feet of climbing, mostly on singletrack trail.
Field Limit: Only 100 runners will be allowed, so sign up early!

Course Description


$25 for anyone over 12 or running the long course
$10 for kids 12 and under

Online Registration! Go here!
Regular Mail:

Send applicable price from above to Eldorado Trail Run c/o Bill Wright, 1954 Breen Lane, Superior, Colorado 80027. Make the check out to ACE.


Pay: Once you've registered to race, go here to pay if you didn't pay at the end of your registration.

More info: bill@wwwright.com

All proceeds benefit the Eldorado Canyon State Park and Rocky Mountain Rescue Group.