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111 Running Colorado

2026 St. Patrick's Day 5K Virtual Run - Denver - Denver, CO - genericImage-websiteLogo-276172-1772459664.0843-0.bPPzAq.png

2026 St. Patrick's Day 5K Virtual Run - Denver

Denver, CO

Mar 14, 2026 - Mar 17, 2026

8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k State Championship☘️ - Castle Rock, CO - genericImage-websiteLogo-248590-1740166944.9241-0.bNUnCG.png

8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k State Championship☘️

Castle Rock, CO

Sat - Mar 14, 2026

Running > 1k, 5k, 10k

2026 St. Patrick's Day 5K Virtual Run - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-276172-1772459664.0843-0.bPPzAq.png

2026 St. Patrick's Day 5K Virtual Run - Colorado Springs

Colorado Springs, CO

Mar 14, 2026 - Mar 17, 2026

St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255692-1749013623.6873-0.bOp9r3.png

St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Mar 14, 2026

Running > 1 mile, 10k, 5k, Half Marathon

2026 St. Patrick's Day 5K Virtual Run - Golden - Golden, CO - genericImage-websiteLogo-276172-1772459664.0843-0.bPPzAq.png

2026 St. Patrick's Day 5K Virtual Run - Golden

Golden, CO

Mar 14, 2026 - Mar 17, 2026

2026 St. Patrick's Day 5K Virtual Run - Edgewater - Edgewater, CO - genericImage-websiteLogo-276172-1772459664.0843-0.bPPzAq.png

2026 St. Patrick's Day 5K Virtual Run - Edgewater

Edgewater, CO

Mar 14, 2026 - Mar 17, 2026

2026 St. Patrick's Day 5K Virtual Run - Boulder - Boulder, CO - genericImage-websiteLogo-276172-1772459664.0843-0.bPPzAq.png

2026 St. Patrick's Day 5K Virtual Run - Boulder

Boulder, CO

Mar 14, 2026 - Mar 17, 2026

XXVI International Polish Championships - Keystone, CO - 0205957d-01e8-477a-83f7-bb2e7f4ac082.jpg

XXVI International Polish Championships

Keystone, CO

Mar 26, 2026 - Mar 27, 2026

All Hands on Deck The Pirates 5K - Colorado Springs, CO - genericImage-websiteLogo-257902-1752086770.7318-0.bOBRJY.jpg

All Hands on Deck The Pirates 5K

Colorado Springs, CO

Sat - Mar 28, 2026

Cryogenic Cannibal Chase - Estes Park, CO - genericImage-websiteLogo-267886-1763400881.2912-0.bPg1YX.png

Cryogenic Cannibal Chase

Estes Park, CO

Sat - Mar 28, 2026

New Terrain Table Traverse - Golden, CO - genericImage-websiteLogo-275622-1771643081.7061-0.bPMsdj.jpg

New Terrain Table Traverse

Golden, CO

Sun - Mar 29, 2026

Running > Obstacle Race, 5k

Dance Marathon 5K - Fort Collins, CO - genericImage-websiteLogo-274176-1770665309.26-0.bPIJvD.jpg

Dance Marathon 5K

Fort Collins, CO

Sun - Mar 29, 2026

Cottonwood Glen T&H 12K - Fort Collins, CO - genericImage-websiteLogo-259977-1756160345.2684-0.bORofz.png

Cottonwood Glen T&H 12K

Fort Collins, CO

Sun - Mar 29, 2026

DU Run Into Spring 5k - Gunnison, CO - genericImage-websiteLogo-275903-1771952538.4765-0.bPNDMA.png

DU Run Into Spring 5k

Gunnison, CO

Sun - Mar 29, 2026

Most Eggcellent Virtual Run - Buena Vista, CO - running-18.png

Most Eggcellent Virtual Run

Buena Vista, CO

Apr 3, 2026 - Apr 11, 2026

Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255952-1749447280.9324-0.bOrNjW.png

Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Apr 04, 2026

Running > 1 mile, 10k, 5k, Half Marathon

Erie Easter Bunny Hop - Erie, CO - genericImage-websiteLogo-276218-1772145557.929-0.bPOmUv.png

Erie Easter Bunny Hop

Erie, CO

Sat - Apr 04, 2026

2025 Slash The Mass Banked Slalom - Snowmass Village, CO - genericImage-websiteLogo-248900-1740528600.0488-0.bNVLVy.png

2025 Slash The Mass Banked Slalom

Snowmass Village, CO

Sun - Apr 05, 2026

The Impact Competition - Colorado Springs, CO - virtual-300px.bMjMog.png

The Impact Competition

Colorado Springs, CO

Apr 6, 2026 - Apr 24, 2026

CRMAC Uplift Her - 5K Run/Walk - Fort Collins, CO - genericImage-websiteLogo-271938-1770689146.5154-0.bPIPj6.png

CRMAC Uplift Her - 5K Run/Walk

Fort Collins, CO

Sat - Apr 11, 2026

Run Through The Decades 6K/7K/8K/Half - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-246653-1738123259.0588-0.bNMAF7.png

Run Through The Decades 6K/7K/8K/Half - Colorado Springs

Colorado Springs, CO

Sat - Apr 11, 2026

Running > 8k, Half Marathon

Hop Into Spring 5K - Denver - Denver, CO - genericImage-websiteLogo-110747-1770078402.1885-0.bPGudc.png

Hop Into Spring 5K - Denver

Denver, CO

Sun - Apr 12, 2026

Earth Day 5K - Durango, CO - running-shoe1-300px.bMjMog.png

Earth Day 5K

Durango, CO

Sat - Apr 18, 2026

Run Wild! Rabies Free Africa 5K - Virtual, CO - genericImage-websiteLogo-265586-1769213026.2544-0.bPDaXI.jpg

Run Wild! Rabies Free Africa 5K

Virtual, CO

Apr 24, 2026 - Apr 26, 2026

The NOCO Half Marathon & 10K

Loveland, CO

Sat - Apr 25, 2026 @ 7:00 AM

Running > 10k, Half Marathon

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-256215-1756097059.0578-0.bOQ-OJ.png

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Apr 25, 2026

Running > 5k, 10k, Half Marathon, 1 mile

2026 Dash & Dine 5k Run Series - Boulder, CO - genericImage-websiteLogo-272486-1768864677.8093-0.bPBRUL.png

2026 Dash & Dine 5k Run Series

Boulder, CO

Apr 28, 2026 - May 19, 2026

Everest Challenge - U S A F Academy, CO - genericImage-websiteLogo-273973-1770319680.3358-0.bPHo9a.jpg

Everest Challenge

U S A F Academy, CO

May 1, 2026 - May 31, 2026

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-262486-1768484610.8234-0.bPAo8c.png

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - May 02, 2026

Running > 1 mile, 10k, 5k, Half Marathon

22nd Annual Bob Turner Classic 5K Run/Walk - Berthoud, CO - 8aaf605e-3e56-4d14-a045-607cc2d86635.jpg

22nd Annual Bob Turner Classic 5K Run/Walk

Berthoud, CO

Sat - May 02, 2026