Estes Park Marathon & Half Marathon

Sunday, June 20, 2027Estes Park, Colorado

In 231 days

Entry

Details

Registration opens

Aug 18, 2026

Registration closes

Jun 19, 2027

230d

Race day

Jun 20, 2027

231d

Registration openings and major changes, like a new date or a cancellation.

May 16, 2027
Denver Colfax Marathon
DENVER, CO
Marathon, Half Marathon, 10 mi, 5K
May 22, 2027
Samson's Revenge
Estes Park, CO
50K, 25K, 10K
May 8, 2027
Valkyrie Trail Race
Colorado Springs, CO
50K, Marathon, 30K, Half Marathon, 8 mi, 4 mi

May 8, 2027
Valkyrie Trail Race
Colorado Springs, CO
50K, Marathon, 30K, Half Marathon, 8 mi, 4 mi
Jun 19, 2027
Endless Day Backyard Ultra
Richfield, UT
100 mi, 50 mi, 50K, Marathon, Half Marathon, 10K
Jun 26, 2027
Running with the Devil
Las Vegas, NV
50K, Marathon, Half Marathon, 10K, 5K
Jun 12, 2027
No Shame Shindig
Pierce, NE
50 mi, 50K, Marathon, Half Marathon

Nov 7
Marathon At The MAC
Castle Rock, CO
Marathon, Half Marathon, 5K
Nov 7
Turkey Trails- Denver
Littleton, CO
Half Marathon, 10K, 5K, 1 mi
Nov 8
Turkey Trails - Colorado Springs
Colorado Springs, CO
Half Marathon, 10K, 5K, 1 mi
Nov 14
Louisville Trail Race
Louisville, CO
Half Marathon, 10K, 5K
Nov 21
Colorado Cold Rush Ultra
Colorado Springs, CO
50K, Half Marathon, 10K
May 8, 2027
Valkyrie Trail Race
Colorado Springs, CO
50K, Marathon, 30K, Half Marathon, 8 mi, 4 mi
Aug 7, 2027
Winter Park Trail Runs
Winter Park, CO
50K, 21K, 10K

Dec 5
Thumbs Up Vertical Challenge
Estes Park, CO
8 hr
Dec 19
Santa's Summit Slam
Estes Park, CO
10K
May 22, 2027
Samson's Revenge
Estes Park, CO
50K, 25K, 10K
Feb 6, 2027
Sourdough Snowshoe Race
Nederland, CO
30K, 18K
Sep 2, 2027
Front Range Ultra Dayze
Loveland, CO
100 hr, 3 days, 200 mi, 48 hr, 100 mi, 24 hr, 12 hr, 50K
Nov 7
Colorado 24 Hour Run
Fort Collins, CO
24 hr, 12 hr, 6 hr
Nov 15
Mountain Peacock 50k
Golden, CO
50K
Nov 7
The Unselfish Ultra
Golden, CO
Jul 26, 2027
The Summit 200
Frisco, CO

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Listed from Race Roster. Checked Nov 1, 2026.