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45 5k Colorado

Fossil Creek Park T&H 5K - Fort Collins, CO - genericImage-websiteLogo-259977-1756160345.2684-0.bORofz.png

Fossil Creek Park T&H 5K

Fort Collins, CO

Sun - Jan 11, 2026

MLK Freedom Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255690-1749012371.7756-0.bOp8-t.png

MLK Freedom Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Jan 17, 2026

Colorado Cold Rush - Louisville, CO - genericImage-websiteLogo-265161-1759783790.8017-0.bO5cTU.png

Colorado Cold Rush

Louisville, CO

Sun - Jan 18, 2026

Chilly Willy 5K/10K/Half Marathon-Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-146656-1728672758.2331-0.bNcxp2.png

Chilly Willy 5K/10K/Half Marathon-Colorado Springs

Colorado Springs, CO

Sat - Jan 24, 2026

Running > 5k, 10k, Half Marathon

Chilly Willy 5K/10K/Half Marathon - Colorado Springs - Colorado Springs, CO - running-5.png

Chilly Willy 5K/10K/Half Marathon - Colorado Springs

Colorado Springs, CO

Sat - Jan 24, 2026 @ 8:30 AM

Running > 10k, 5k, Half Marathon

Freakin Freezin 5K - Denver - Denver, CO - genericImage-websiteLogo-218111-1755208362.8404-0.bONLQQ.png

Freakin Freezin 5K - Denver

Denver, CO

Sun - Jan 25, 2026

Race Through Colorado 1M, 5K, 10K, 13.1, 26.2 - Now Only $15! - Denver, CO - genericImage-websiteLogo-260670-1755623024.4477-0.bOPk5W.png

Race Through Colorado 1M, 5K, 10K, 13.1, 26.2 - Now Only $15!

Denver, CO

Jan 31, 2026 - Dec 31, 2026

Westy Winter Waggle 5&10k - Westminster, CO - genericImage-websiteLogo-266442-1761620922.4673-0.bPado6.png

Westy Winter Waggle 5&10k

Westminster, CO

Sat - Feb 07, 2026

Lunar New Year Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-256489-1750141355.8649-0.bOuqMR.png

Lunar New Year Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Feb 07, 2026

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

Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255925-1755760638.4402-0.bOPSF-.png

Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Feb 14, 2026

Run for Mental Health 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-245242-1751340033.2371-0.bOy1qb.png

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Mar 07, 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

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

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

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

Earth Day 5K

Durango, CO

Sat - Apr 18, 2026

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

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255849-1754382955.6135-0.bOKCjR.png

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

Centennial, CO

Sat - May 02, 2026

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

Longmont Half Marathon & 5k - Longmont, CO - 7.2021-LM-Half-TRNSP.png

Longmont Half Marathon & 5k

Longmont, CO

Sun - May 03, 2026 @ 7:30 AM

Running > Half Marathon, 5k

Colterris Wine Run 5k - Palisade, CO - colterris-wine-run-5k-logo_occhHzU.png

Colterris Wine Run 5k

Palisade, CO

Sat - May 09, 2026 @ 09:30

Colorado Women's Classic - Westminster, CO - 5.2020-CWC-Button-Blue.png

Colorado Women's Classic

Westminster, CO

May 10, 2026 - Oct 26, 0005 (8:00 AM)

Running > 10k, 10 Mile, 5k

Run for Mental Health 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-260929-1755833660.4445-0.bOP-u8.png

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - May 23, 2026

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

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-245242-1751340033.2371-0.bOy1qb.png

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Jun 06, 2026

Treat Trot Denver

Denver, CO

Sat - Jun 13, 2026

Treat Trot Colorado Springs

Colorado Springs, CO

Sun - Jun 14, 2026

Freedom Tour Classic - Fort Collins, CO - genericImage-websiteLogo-264807-1761068055.1091-0.bO98qx.png

Freedom Tour Classic

Fort Collins, CO

Sat - Jun 20, 2026

Unicorn 5k (North)

Thornton, CO

Sat - Jun 20, 2026 @ 8:00 AM

Sloth Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-260929-1755833660.4445-0.bOP-u8.png

Sloth Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Jun 20, 2026

Muddy Dash | Denver 2026 - Dacono, CO - 4960baf8-36ab-47b3-a735-edc1abffaeac.png

Muddy Dash | Denver 2026

Dacono, CO

Jun 20, 2026 - Jun 21, 2026

Father's Day Classic 10k/5k - Arvada, CO - 6.2022-Fathers-Day-Button-Yellow.png

Father's Day Classic 10k/5k

Arvada, CO

Sun - Jun 21, 2026 @ 7:30 AM

Independence Day Freedom 5K - Buena Vista, CO - genericImage-websiteLogo-244677-1736977186.0872-0.bNIcSI.jpg

Independence Day Freedom 5K

Buena Vista, CO

Sat - Jul 04, 2026