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42 All Events Races Thornton, CO

A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-254167-1746841682.834-0.bOhRbs.png

A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Dec 27, 2025

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

TEST RACE - Boulder, CO - running-shoe-300px.bMjMog.png

TEST RACE

Boulder, CO

Wed - Dec 31, 2025

Running > 5 mile

Hair of the Jog - Shoes & Brews New Year's Run Club 6k Run and Cheers - Longmont, CO - genericImage-websiteLogo-243041-1764867593.6082-0.bPmB4j.jpg

Hair of the Jog - Shoes & Brews New Year's Run Club 6k Run and Cheers

Longmont, CO

Thu - Jan 01, 2026

New Year's Day Virtual Run - Lakewood - Lakewood, CO - genericImage-websiteLogo-269127-1765301931.7692-0.bPof6R.jpg

New Year's Day Virtual Run - Lakewood

Lakewood, CO

Thu - Jan 01, 2026

New Year's Day Virtual Run - Denver - Denver, CO - genericImage-websiteLogo-269127-1765301931.7692-0.bPof6R.jpg

New Year's Day Virtual Run - Denver

Denver, CO

Thu - Jan 01, 2026

New Year's Day Virtual Run - Aurora - Aurora, CO - genericImage-websiteLogo-269127-1765301931.7692-0.bPof6R.jpg

New Year's Day Virtual Run - Aurora

Aurora, CO

Thu - Jan 01, 2026

New Year New Me Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-254667-1747634334.3186-0.bOkSIE.png

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

Centennial, CO

Sat - Jan 03, 2026

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

2026 C.O.P.S. WINTER RACE SERIES - Golden, CO - genericImage-websiteLogo-268450-1763954961.5561-0.bPi9er.jpg

2026 C.O.P.S. WINTER RACE SERIES

Golden, CO

Jan 7, 2026 - Apr 30, 2026

Running > 5k, 10k

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

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

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

Colorado Cold Rush

Louisville, CO

Sun - Jan 18, 2026

Running > 10k, 5k

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

Freakin Freezin 5K - Denver

Denver, CO

Sun - Jan 25, 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 > 1 mile, 10k, 5k, Half Marathon

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

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

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

CEROX + IRON - Frederick, CO - genericImage-websiteLogo-268468-1764012515.381-0.bPjlhJ.png

CEROX + IRON

Frederick, CO

Sat - Feb 28, 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

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

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

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

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

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

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 > 5k, Half Marathon

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

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

Treat Trot Denver

Denver, CO

Sat - Jun 13, 2026

Running > 5k, 10k

The Hundo - Pinecliffe, CO - genericImage-websiteLogo-245848-1737406272.4224-0.bNJRDa.png

The Hundo

Pinecliffe, CO

Sat - Jun 13, 2026

Unicorn 5k (North)

Thornton, CO

Sat - Jun 20, 2026 @ 8:00 AM

Running > 1 mile, 5k

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

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

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

Running > 10k, 1 mile, 5k

Loveland Lake to Lake Triathlon - Loveland, CO - genericImage-websiteLogo-247424-1740005840.1243-0.bNTMhq.png

Loveland Lake to Lake Triathlon

Loveland, CO

Sat - Jun 27, 2026