Desert RATS Trail Running Festival by UTMB
Apr 8, 2027Fruita, CO100K, 50K +1
Also 100K, 218 mi from Ring the Springs, registration open
Listed from UltraSignup. Checked Jun 14, 2026.
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAn epic ultra that takes you on a jaw-dropping journey through the best Colorado Springs has to offer, from towering peaks above the city to hidden gems of its urban parks.
Early Registration ends
Apr 13, 2026
Registration closes
Jun 15, 2026
Race day
Jun 20, 2026
100K
After Apr 14
$275
50K
After Apr 14
$165
35K
After Apr 14
$90
Registration openings and major changes, like a new date or a cancellation.
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Apr 8, 2027Fruita, CO100K, 50K +1
Also 100K, 218 mi from Ring the Springs, registration open
Aug 28, 2027Telluride, CO65 mi, 40 mi +1
Also 100K, 173 mi from Ring the Springs
May 1, 2027Buena Vista, CO50 mi, 25 mi
70 mi from Ring the Springs, registration opens Nov 1
Straight-line distance
Apr 8, 2027Fruita, CO100K, 50K +1
May 8, 2027Fruita, CO105K
Aug 28, 2027Telluride, CO65 mi, 40 mi +1
Nov 8Colorado Springs, COHalf Marathon, 10K +2
Nov 21Colorado Springs, CO50K, Half Marathon +1
Jul 24, 2027Colorado Springs, CO50 mi, 50K +2
May 1, 2027Colorado Springs, CO5 mi, 5K
Apr 17, 2027Colorado Springs, CO50K, 25K +2
May 8, 2027Colorado Springs, CO50K, Marathon +4
Apr 24, 2027Colorado Springs, CO50K, 25K +2
Nov 26Woodland Park, CO10K, 5K
Sep 25, 2027Palmer Lake, CO24 hr
Apr 3, 2027Larkspur, CO4 days
Nov 7Larkspur, CO6 hr
Oct 24Canon City, CO35 mi, 50K +2
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for Ring the Springs?
Claim this race to manage registration, volunteers, and race day.