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Running Events in Colorado 2025-2026
20
Miles 4 Madison 5K & 1K
Littleton, US
Sat 20th Sep 2025
26
Red Feather Trail Jamboree
Red Feather Lakes, US
Fri 26th Sep 2025
27
HRCA Oktoberfest 5K
Highlands Ranch, US
Sat 27th Sep 2025
27
Pioneer Prairie Dog Half, 10k & 5k
Westminster, US
Sat 27th Sep 2025
27
West Line Winder
Buena Vista, US
Sat 27th Sep 2025
27
Break Your Neck: Walk, Run, or Roll
Pueblo, US
Sat 27th Sep 2025
27
Sangre de Cristo Trail Festival
Westcliffe, US
Sat 27th Sep 2025
27
Toughest Mudder Colorado
Fort Carson, US
Sat 27th Sep 2025
30
Center of the Nation Series - Day 2 (CO)
Sterling, US
Tue 30th Sep 2025
4
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, US
Sat 4th Oct 2025
5
Windsor Marathon, Half Marathon, 10k & 5k
Windsor, US
Sun 5th Oct 2025
11
Breckenridge Road Marathon
Breckenridge, US
Sat 11th Oct 2025
12
The bRUNch Run™
Denver, US
Sun 12th Oct 2025
18
Blue Sky Trail Marathon & Half Marathon
Fort Collins, US
Sat 18th Oct 2025
18
Indian Creek Trail Runs
Sedalia, US
Sat 18th Oct 2025
18
The Great Trailhead Foot Race 5 & 10 Miler
Lakewood, US
Sat 18th Oct 2025
1
City Park 5k & 1 Mile Walk of Hope for Pancreatic Cancer Research
Denver, US
Sat 1st Nov 2025
1
Turkey Trails - Colorado Springs
Colorado Springs, US
Sat 1st Nov 2025
2
All-Out Kooky-Spooky
Jefferson County, US
Sun 2nd Nov 2025
2
Turkey Trails- Denver
Denver, US
Sun 2nd Nov 2025
8
BINGO! Trail Party
Byers, US
Sat 8th Nov 2025
8
HRCA Backcountry Wilderness Half Marathon
Lone Tree, US
Sat 8th Nov 2025
22
10k Turkey Trek & 5k Turkey Trot
Arvada, US
Sat 22nd Nov 2025
27
AdventHealth Avista Louisville Turkey Trot
Louisville, US
Thu 27th Nov 2025
27
BVSC Turkey Trot 5K & Family Fun Run
Buena Vista, US
Thu 27th Nov 2025
27
Broomfield Turkey Day 5K/10K
Broomfield, US
Thu 27th Nov 2025
27
Pelican Lakes Turkey Trot
Windsor, US
Thu 27th Nov 2025
27
Gobble Wobble Run 2025
Littleton, US
Thu 27th Nov 2025
27
Mile High United Way Turkey Trot 2025
Denver, US
Thu 27th Nov 2025
28
Christmas Mountain 5 Mile Run
Salida, US
Fri 28th Nov 2025
6
Sawmill Trail Runs
Pine, US
Sat 6th Dec 2025
6
Toy Drop
Loveland, US
Sat 6th Dec 2025
6
All-Out Fa La La
Westminster, US
Sat 6th Dec 2025
6
Race of the Santas
Breckenridge, US
Sat 6th Dec 2025
7
Rock Canyon Half Marathon
Pueblo, US
Sun 7th Dec 2025
13
WinterFest 5k & Fun Run
Thornton, US
Sat 13th Dec 2025
27
Candy Cane Course - Denver
Denver, US
Sat 27th Dec 2025
28
Candy Cane Course - Colorado Springs
Colorado Springs, US
Sun 28th Dec 2025
31
Steve's Event Page
Morrison, US
Wed 31st Dec 2025
1
Resolute Runner 5k
Arvada, US
Thu 1st Jan 2026
10
All-Out Polar Prowl
Arvada, US
Sat 10th Jan 2026
2
Conifer Climb
Conifer, US
Mon 2nd Sep 2030
26
50 States Half Marathon Club Life Membership
Colorado Springs, US
Sat 26th Apr 2031
25
Six Pack Series Winter Westminster 5k
Westminster, US
Sat 25th Jan 2025
25
Rio Frio 5k on Ice
Alamosa, US
Sat 25th Jan 2025
1
Nielson Challenge
Colorado Springs, US
Sat 1st Feb 2025
1
Six Pack Series Winter Westminster 4 mile & 5k
Westminster, US
Sat 1st Feb 2025
2
RMRR Feb Trophy Series
Englewood, US
Sun 2nd Feb 2025