Upcoming 5K Races Near Fort Collins, CO

Name: All-Out Runapalooza
Start: 2026-08-08
End: 2026-08-08
Location: Arvada

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

Westminster, CO

Saturday, February 28th, 2026

Featured

10K

Half

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

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Sharin' O' The Green 5k

Fort Collins, CO

Saturday, March 14th, 2026

Fast

View details for race Sharin' O' The Green 5k

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

St. Paddy's Day Run

Berthoud, CO

Saturday, March 14th, 2026

View details for race St. Paddy's Day Run

Lucky Leprechaun 5K

Boulder, CO

Sunday, March 15th, 2026

View details for race Lucky Leprechaun 5K

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

Windsor, CO

Saturday, March 21st, 2026

10K

15K

Trail

View details for race Lucky Brew Race 5K, 10K, and 15K

Dance Marathon 5K

Fort Collins, CO

Sunday, March 29th, 2026

View details for race Dance Marathon 5K

Spring Equinox

Wellington, CO

Sunday, March 29th, 2026

Half

View details for race Spring Equinox

Run the Ranch

Loveland, CO

Friday, April 10th, 2026

10K

Trail

View details for race Run the Ranch

CRMAC Uplift Her - 5K Run/Walk

Fort Collins, CO

Saturday, April 11th, 2026

View details for race CRMAC Uplift Her - 5K Run/Walk

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

Arvada, CO

Sunday, April 12th, 2026

Half

10K

View details for race Spring Fling Prairie Dog Half, 10k, & 5k

Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

10K

Half

Trail

View details for race Great Western Trail Race

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

View details for race All-Out Beat the Heat

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 25th, 2026

Half

View details for race Bigfoot Half Marathon

2026 Flying Pig 5K

Fort Collins, CO

Sunday, April 26th, 2026

View details for race 2026 Flying Pig 5K

Blue Heron Half & 5K

Brighton, CO

Sunday, April 26th, 2026

Half

Fast

View details for race Blue Heron Half & 5K

Dash & Dine 5k

Boulder, CO

Tuesday, April 28th, 2026

View details for race Dash & Dine 5k

Friends of the National Center Science Stride 5K

Boulder, CO

Friday, May 1st, 2026

View details for race Friends of the National Center Science Stride 5K

Adams County Foster Care 5K Run/Walk and 1 mile...

Brighton, CO

Saturday, May 2nd, 2026

1 Mile

View details for race Adams County Foster Care 5K Run/Walk and 1 mile fun run

22nd Annual Bob Turner Classic 5K Run/Walk

Berthoud, CO

Saturday, May 2nd, 2026

View details for race 22nd Annual Bob Turner Classic 5K Run/Walk

CollaBEERation 5k & Brew Fest Party

Longmont, CO

Saturday, May 2nd, 2026

View details for race CollaBEERation 5k & Brew Fest Party

The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

View details for race The Colorado Marathon

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

View details for race Longmont Half & 5k (LM Half)

Frank Shorter Track Classic

Longmont, CO

Sunday, May 3rd, 2026

1 Mile

View details for race Frank Shorter Track Classic

Rise Against Suicide - Emerge 5K

Boulder, CO

Sunday, May 3rd, 2026

View details for race Rise Against Suicide - Emerge 5K

Dash & Dine 5k #2

Boulder, CO

Tuesday, May 5th, 2026

View details for race Dash & Dine 5k #2

2026 Five Star 5K, Mile of Smiles, and Wellness...

Brighton, CO

Saturday, May 9th, 2026

1 Mile

View details for race 2026 Five Star 5K, Mile of Smiles, and Wellness Festival

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

View details for race Dog Jog

Healing Warriors Program 2026 Annual 5K Fun Run

Fort Collins, CO

Sunday, May 17th, 2026

View details for race Healing Warriors Program 2026 Annual 5K Fun Run

Miles for Smiles 5K

Arvada, CO

Sunday, May 17th, 2026

Trail

View details for race Miles for Smiles 5K

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 Jr 1 Mile Dash

Johnstown, CO

Saturday, June 6th, 2026

1 Mile

View details for race J-Town Jog 5K and Jr 1 Mile Dash

Colorado 13er (Half Marathon/10k/5k)

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

View details for race Colorado 13er (Half Marathon/10k/5k)

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

View details for race All-Out Summer Breeze

Sierra's 5K Run/Walk Race Against Meningitis

Loveland, CO

Saturday, June 20th, 2026

View details for race Sierra's 5K Run/Walk Race Against Meningitis

Red, White and Brew 5k, 10k, Half Marathon & 12...

Windsor, CO

Saturday, June 20th, 2026

10K

Half

View details for race Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing

Muddy Dash | Denver 2026

Dacono, CO

Saturday, June 20th, 2026

View details for race Muddy Dash | Denver 2026

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, CO

Sunday, June 21st, 2026

10K

1 Mile

View details for race Father's Day Classic 10k, 5k, & 1 Mile

Timberview Trail Run

Bellvue, CO

Saturday, June 27th, 2026

Trail

View details for race Timberview Trail Run

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

View details for race Let Freedom Run 5k/10k - Louisville

FireKracker 5k

Fort Collins, CO

Saturday, July 4th, 2026

1 Mile

View details for race FireKracker 5k

Greeley Freedom 5k Walk & Run

Greeley, CO

Saturday, July 4th, 2026

View details for race Greeley Freedom 5k Walk & Run

Let Freedom Run 5k - LONGMONT

Longmont, CO

Saturday, July 4th, 2026

View details for race Let Freedom Run 5k - LONGMONT

Loveland Liberty 5K

Loveland, CO

Saturday, July 4th, 2026

View details for race Loveland Liberty 5K

Will Run for Cannoli 5K

Cheyenne, WY

Saturday, July 11th, 2026

View details for race Will Run for Cannoli 5K

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, CO

Tuesday, August 4th, 2026

View details for race Eltuck Valley 5K - Lory Summer Trail Series

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

Explore more in Fort Collins, CO

Distances:

5K 10K Half Marathon Marathon

Months:

February March April

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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