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Running Events in Aurora, Colorado 2025-2026
2
Unicorn 5k (South)
Highlands Ranch, US
Sat 2nd Aug 2025
2
11th Annual Run for the Ring
Aurora, US
Sat 2nd Aug 2025
1
Labor Day Half Marathon
Parker, US
Mon 1st Sep 2025
7
RMRR September Trophy Series
Thornton, US
Sun 7th Sep 2025
7
Conservation Colorado 5k
Denver, US
Sun 7th Sep 2025
7
Denver Rocks Run 5K/10K
Denver, US
Sun 7th Sep 2025
13
Parker Parks and Recreation So Long to Summer 5K/10K
Parker, US
Sat 13th Sep 2025
21
Farmers 5000
Wheat Ridge, US
Sun 21st Sep 2025
21
Flyin' Lion 5K
Littleton, US
Sun 21st Sep 2025
4
Not So Flatt Breast Cancer Awareness Run/Walk
Westminster, US
Sat 4th Oct 2025
5
RMRR October Trophy Series
Aurora, US
Sun 5th Oct 2025
12
Westy Half & 5k
Westminster, US
Sun 12th Oct 2025
14
2025 DU Crimson Classic 5K Run/1.5 Mile Walk
Denver, US
Tue 14th Oct 2025
26
Ghosts and Goblins 5K/10K
Denver, US
Sun 26th Oct 2025
2
RMRR November Trophy Series
Denver, US
Sun 2nd Nov 2025
15
Pumpkin Pie 5K/10K
Denver, US
Sat 15th Nov 2025
27
Parker Parks and Recreation Turkey Day 5K FUN Run/Walk
Parker, US
Thu 27th Nov 2025
7
RMRR December Trophy Series
Denver, US
Sun 7th Dec 2025
20
Santa's Dash for Ca$h
Denver, US
Sat 20th Dec 2025
21
Ugly Sweater 5K
Denver, US
Sun 21st Dec 2025
23
Highlands Ranch 5k
Highlands Ranch, US
Sun 23rd Feb 2025
1
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, US
Sat 1st Mar 2025
2
That Dam Run 13.1, 10K, 5K
Arapahoe County, US
Sun 2nd Mar 2025
15
HRCA St. Patrick's Day 5K
Highlands Ranch, US
Sat 15th Mar 2025
23
Central Park 5k
Denver, US
Sun 23rd Mar 2025
13
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, US
Sun 13th Apr 2025
13
Platte River Half-Marathon and Relay
Littleton, US
Sun 13th Apr 2025
19
All-Out Beat the Heat
Westminster, US
Sat 19th Apr 2025
4
2025 Altitude Elementary Moose Mudder
Aurora, US
Sun 4th May 2025
10
HRCA Mother's Day 5K
Littleton, US
Sat 10th May 2025
10
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, US
Sat 10th May 2025
10
Wicked Wine Run Denver, CO
Brighton, US
Sat 10th May 2025
18
Healthy Kids Running Series Spring 2025 - Denver, CO
Denver, US
Sun 18th May 2025
18
2025 Denver Colfax Marathon
Denver, US
Sun 18th May 2025
1
Colorado 13er (Half Marathon/10k/5k)
Louisville, US
Sun 1st Jun 2025
15
Father's Day Classic 10k, 5k, & 1 Mile
Arvada, US
Sun 15th Jun 2025
21
Bubble Run | Denver | June
Commerce City, US
Sat 21st Jun 2025
21
Hometown Half Marathon & 5k/10k - Denver
Westminster, US
Sat 21st Jun 2025
4
HRCA Independence Day 5K
Highlands Ranch, US
Fri 4th Jul 2025
12
All-Out Dog Days
Westminster, US
Sat 12th Jul 2025
19
All American 4 & 8 Mile - Denver
Westminster, US
Sat 19th Jul 2025
3
Bound for Boston Marathon & Half Marathon - Denver
Denver, US
Sun 3rd Aug 2025
9
Holy COW Trail Stampede
Westminster, US
Sat 9th Aug 2025
16
Summer Sizzler- Denver
Denver, US
Sat 16th Aug 2025
6
HRCA Wildcat Mountain Trail Races
Littleton, US
Sat 6th Sep 2025
13
All-Out Fall Fest
Westminster, US
Sat 13th Sep 2025
13
The Denver 5k
Denver, US
Sat 13th Sep 2025
14
Spooky Sprint - Denver
Denver, US
Sun 14th Sep 2025