Apuama is now HAID. Same events, plus everything else our app helps you track.
Get the appColorado has 309 upcoming running events across distances like 0K, 2K, 3K, 5K, 10K, 11K, 13K, 17K, 21K, 24K, 25K, 29K, 34K, 42K, 53K, 161K, 164K. Recent additions include 12th Annual Run for the Ring, Copper Triangle Online Registration, Boggy Draw Beat Down.
309 events
1
12th Annual Run for the Ring
Sat, Aug 1, 2026Aurora, United States
1
Copper Triangle Online Registration
Sat, Aug 1, 2026Frisco, United States
1
Boggy Draw Beat Down
Sat, Aug 1, 2026Dolores, United States
1
RunAbilities FUN Walk/Run/Roll
Sat, Aug 1, 2026Parker, United States
2
Bound for Boston Marathon & Half Marathon - Denver
Sun, Aug 2, 2026Denver, United States
2
Stagecoach Gravel Triathlon
Sun, Aug 2, 2026Oak Creek, United States
2
Volunteer Sign Up Stagecoach Gravel Tri Online Registration
Sun, Aug 2, 2026Oak Creek, United States
4
Eltuck Valley 5K - Lory Summer Trail Series
Tue, Aug 4, 2026Fort Collins, United States
6
Volunteer Sign-up - Stroke & Stride #9
Thu, Aug 6, 2026Boulder, United States
6
Stroke & Stride #9
Thu, Aug 6, 2026Boulder, United States
7
High Five 100
Fri, Aug 7, 2026Lake City, United States
7
Choice City Running Festival
Fri, Aug 7, 2026Fort Collins, United States
8
All-Out Runapalooza
Sat, Aug 8, 2026Arvada, United States
8
Stonewall Century Ride 2026
Sat, Aug 8, 2026La Veta, United States
8
Race the Runway 5.02K
Sat, Aug 8, 2026Louisville, United States
8
Leadville Boomdays International Pack Burro Race
Sat, Aug 8, 2026Leadville, United States
9
Summer Meltdown Half Marathon - Houston
Sun, Aug 9, 2026Fort Garland, United States
9
Akron Pickle Fest 5K
Sun, Aug 9, 2026Akron, United States
11
Into the Hills Eltuck 10k
Tue, Aug 11, 2026Bellvue, United States
15
Miles Perret Cancer Services Triathlon
Sat, Aug 15, 2026Lafayette, United States
15
The Elkmont Athletic Club Red Devil 5K
Sat, Aug 15, 2026Almont, United States
15
Ninja 5K & 10K at Loyd H Roland Memorial Park
Sat, Aug 15, 2026Akron, United States
15
2025 CKF Leadville Trail 100 MTB
Sat, Aug 15, 2026Leadville, United States
15
Miles for Migraine - Colorado 2026
Sat, Aug 15, 2026Denver, United States
15
The Cheyenne Mountain Run
Sat, Aug 15, 2026Colorado Springs, United States
15
2026 — Bagel Run 5K/10K/13.1 DENVER/AURORA
Sat, Aug 15, 2026Centennial, United States
15
2026 Mt. Sneffels Half Marathon-10K-Kids-Fun Run
Sat, Aug 15, 2026Ridgway, United States
15
Just Peachy 5k & 10k
Sat, Aug 15, 2026Palisade, United States
15
2026 SMC #6 Summit Classic
Sat, Aug 15, 2026Dillon, United States
15
Sunrise Stampede
Sat, Aug 15, 2026Longmont, United States