Upcoming Races Near Greeley, CO

Name: Flamingo Day 5K
Start: 2026-06-07
End: 2026-06-07
Location: Denver

Resolution Run 5K

Fort Collins, CO

Wednesday, December 31st, 2025

Featured

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Resolution Run - Fort Collins

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run - Fort Collins

TEST RACE

Boulder, CO

Wednesday, December 31st, 2025

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Resolute Runner 5k

Arvada, CO

Thursday, January 1st, 2026

Trail

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Segment Showdown

Fort Collins, CO

Thursday, January 1st, 2026

View details for race Segment Showdown

Hair of the Jog - Shoes & Brews New Year's Run ...

Longmont, CO

Thursday, January 1st, 2026

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

RunningU/Horsetooth Half Marathon Training

Fort Collins, CO

Sunday, January 4th, 2026

View details for race RunningU/Horsetooth Half Marathon Training

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

Trail

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Fossil Creek Park T&H 5K

Fort Collins, CO

Sunday, January 11th, 2026

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Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

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Colorado Cold Rush

Louisville, CO

Sunday, January 18th, 2026

10K

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Polar Bear Run and Plunge

Fort Collins, CO

Saturday, January 24th, 2026

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Freakin Freezin 5K - Denver

Denver, CO

Sunday, January 25th, 2026

View details for race Freakin Freezin 5K - Denver

Westy Winter Waggle 5&10k

Westminster, CO

Saturday, February 7th, 2026

10K

View details for race Westy Winter Waggle 5&10k

Sweetheart Classic

Loveland, CO

Saturday, February 14th, 2026

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Heart Throb 5k

Arvada, CO

Saturday, February 14th, 2026

Fast

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Ralston Creek Half Marathon & 5k

Arvada, CO

Sunday, February 15th, 2026

Trail

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All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

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Bacon Strip Race

Fort Collins, CO

Sunday, February 22nd, 2026

10 Miles

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Time to Paddy 5k/10k & Lucky 13.1 - Denver

Denver, CO

Saturday, February 28th, 2026

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - Denver

Lucky Brew Race 5K, 10K, 15k & Half Marathon

Severance, CO

Saturday, March 14th, 2026

10K

15K

View details for race Lucky Brew Race 5K, 10K, 15k & Half Marathon

Erin Go Bragh 7.77k

Westminster, CO

Saturday, March 14th, 2026

View details for race Erin Go Bragh 7.77k

Sharin' O' The Green 5k

Fort Collins, CO

Saturday, March 14th, 2026

Fast

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Lucky Brew Race 5K, 10K, and 15K

Windsor, CO

Saturday, March 21st, 2026

10K

15K

Trail

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Central Park 5k

Denver, CO

Sunday, March 22nd, 2026

Fast

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Cryogenic Cannibal Chase

Estes Park, CO

Saturday, March 28th, 2026

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Spring Equinox

Wellington, CO

Sunday, March 29th, 2026

Half

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Run the Ranch

Loveland, CO

Friday, April 10th, 2026

10K

Trail

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Donut Dash

Denver, CO

Sunday, April 12th, 2026

Fast

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Prairie Dog Run Series

Louisville, CO

Sunday, April 12th, 2026

Half

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Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, CO

Sunday, April 12th, 2026

Half

10K

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Healthy Kids Running Series Spring 2026 - Denve...

Denver, CO

Sunday, April 12th, 2026

View details for race Healthy Kids Running Series Spring 2026 - Denver, CO

Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

10K

Half

Trail

Fast

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All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

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Horsetooth Half Marathon - Presented by Fort Co...

Fort Collins, CO

Sunday, April 19th, 2026

Half

Trail

Fast

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Runs With Scissors Races

Brighton, CO

Saturday, April 25th, 2026

Half

Marathon

Ultra

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Bigfoot Half Marathon

Estes Park, CO

Saturday, April 25th, 2026

Half

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Unicorn 5k (Denver-East)

Denver, CO

Sunday, April 26th, 2026

View details for race Unicorn 5k (Denver-East)

Friends of the National Center Science Stride 5K

Boulder, CO

Friday, May 1st, 2026

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Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

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The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

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Run For The Trees - 2 Mile Fun Run

Loveland, CO

Saturday, May 9th, 2026

View details for race Run For The Trees - 2 Mile Fun Run

Quad Rock 25 & 50 Mile Trail Races

Bellvue, CO

Saturday, May 9th, 2026

Ultra

Trail

View details for race Quad Rock 25 & 50 Mile Trail Races

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

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Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

View details for race Colorado Women's Classic - Westminster

Dog Jog

Cheyenne, WY

Saturday, May 16th, 2026

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Weld Your Mettle Running Festival

Eaton, CO

Saturday, May 30th, 2026

Ultra

Marathon

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StepUp For Women And Recovery

Fort Collins, CO

Saturday, June 6th, 2026

View details for race StepUp For Women And Recovery

J-Town Jog 5K and Youth Mile

Johnstown, CO

Saturday, June 6th, 2026

1 Mile

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Flamingo Day 5K

Denver, CO

Sunday, June 7th, 2026

View details for race Flamingo Day 5K

Explore more in Greeley, CO

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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