Register On-Line:
Register on-line by clicking here. Click here to confirm your entry. We cannot guarantee shirts for race day registrants.

Ridgeline Trail 50K
$80 through June 30
$85 July 1 – September 15
$90 after September 15
$95 race day
Ridgeline Trail Marathon
$80 through June 30
$85 July 1 – September 15
$90 after September 15
$95 race day
Ridgeline Trail Half Marathon
$50 through June 30
$55 July 1 – September 15
$60 after September 15
$65 race day
Ridgeline Trail 10K
$30 through June 30
$35 July 1 – September 15
$40 after September 15
$45 race day
LiveBIG 5K
$20 through June 30
$25 July 1 – September 15
$30 after September 15
$35 race day
LiveBIG Family Adventure Race
$15 through June 30
$20 July 1 – September 15
$25 after September 15
$30 race day

Mail in Entry
Click here if you want to print out an entry form to mail it. No mail in entry forms will be accepted after October 1. Credit cards are not accepted for mail in entries. If you wish to use a credit card, please register online.

Elite Athletes:
Please click here for our competitive entry info.

Season Pass
Register for three or more events produced by Colorado Runner Events at once and save $5 per event. Click here for more information.

Wish to Volunteer?
All volunteers get a free entry into another event produced by Colorado Runner Events. Please click here to volunteer.

Packet Pickup and Event Timeline:
7:00 AM – Packet pickup at race site begins.
8:00 AM – 50K and marathon races start
8:30 AM – Half Marathon race start
9:00 AM – 10K race start
9:30 AM – 5K race start
10:00 AM – Family adventure run start
4:00 PM – Finish line closes