The Big Brrrrito!

ATRA race member


Feb 18, 2023 at 9:00 AM

The Big Brrrrito!

11500 N. Roxborough Park Road

Littleton CO, 80125


Event Facebook page

Entry Fee $0
(Lowest or Early Registration)

Prize Money: no


  • 10M
  • 15M
  • 5M

Type: Trail

Participant Limit: 100

Percent of the course on un-paved trails: 40%

First Year of the Event: 2021


The start is at the Discovery Pavilion parking lot, very close to Waterton Canyon. From there, runners will run into Chatfield State Park on a dirt road, then onto concrete bike path along the south side of Chatfield Lake to a dirt loop by the Plum Creek parking lot, and back to Discovery Pavilion for a total of 15 miles. 5 and 10 mile courses are out and back.


Race event photo


Past Event Dates

Held on Feb 18, 2023

Held on Mar 19, 2022

Held on Mar 20, 2021

Event Results