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Colorado Runner Events:
Cookie Chase
Donut Dash
Flamingo Day 5K
Ghosts & Goblins 5K/10K
Greenland Trail Races
Labor Day Half
Pumpkin Pie 5K/10K
Ugly Sweater 5K
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Brooks Midwest Regional Championship Recap
Dec 4, 2025
26
16
Check out results from Colorado races over the weekend
Dec 1, 2025
456
0
Black Friday Sale! Register for the 2026 6-Pack of Denver 5ks!
Nov 28, 2025
580
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Upcoming Events
Dec
6
8:00 AM
PPRR Nielson Challenge
Colorado Springs
CO
Dec
6
8:00 AM
Thumbs Up Vertical Challenge
Estes Park
CO
Dec
6
9:00 AM
Sweaty Sweater 5K
Fort Collins
CO
Dec
6
9:00 AM
All-Out Fa La La
Westminster
CO
Dec
6
9:00 AM
Toy Drop
Loveland
CO
Click here to view the full calendar
Recent Race Results
For a full list of race results,
click here
.
Colorado Runner Events
Ugly Sweater 5K
5K
December 21, 2025
Washington Park | Denver, CO
Donut Dash
5K
April 12, 2026
Washington Park | Denver, CO
Greenland Trail Races
50K, 25K, 8M and 4M
May 2, 2026
Greenland Open Space | Larkspur, CO
2026 RRCA National 50K Championship
Flamingo Day 5K
5K
June 7, 2026
Sloan’s Lake Park | Denver, CO
Cookie Chase
5K
July 11, 2026
Sloan’s Lake Park | Denver, CO
Labor Day Half Marathon
Half Marathon, 10K and 5K
September 7, 2026
Salisbury Park | Parker, CO
Ghosts & Goblins 5K
5K and 10K
October 25, 2026
City Park | Denver, CO
Pumpkin Pie 5K
5K and 10K
November 21, 2026
City Park | Denver, CO
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