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Upcoming Half Marathon Races Near Steamboat Springs, CO

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Fall Equinox

Fort Collins, CO

Sunday, September 14th, 2025

Marathon

Half

Fast

View details for race Fall Equinox

Red Feather Trail Jamboree

Red Feather Lakes, CO

Friday, September 26th, 2025

Half

Ultra

Trail

View details for race Red Feather Trail Jamboree

Layafette Music Fest Half-Marathon/10K/5K

Louisville, CO

Sunday, October 5th, 2025

5K

Half

View details for race Layafette Music Fest Half-Marathon/10K/5K

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

Marathon

Half

5K

View details for race The Long View Marathon

Blue Sky Marathon & Half

Fort Collins, CO

Saturday, October 18th, 2025

Half

Marathon

View details for race Blue Sky Marathon & Half

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025

Half

10K

5K

Trail

View details for race All-Out Kooky-Spooky

10k Turkey Trek & 5k Turkey Trot - Now With HAL...

Arvada, CO

Saturday, November 22nd, 2025

Half

10K

5K

Trail

View details for race 10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE!

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

5K

Trail

View details for race All-Out Polar Prowl

Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

5K

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

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

5K

Trail

View details for race All-Out Mardi Crawl

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

5K

Trail

View details for race All-Out Spring Fever

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

Arvada, CO

Sunday, April 12th, 2026

Half

5K

10K

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

Horsetooth Half Marathon

Fort Collins, CO

Sunday, April 19th, 2026

Half

Trail

Fast

View details for race Horsetooth Half Marathon

The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

BQ

View details for race The Colorado Marathon

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

5K

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

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

Louisville, CO

Sunday, June 7th, 2026

Half

10K

5K

Trail

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

The Steamboat Marathon

Steamboat Springs, CO

Sunday, June 7th, 2026

Marathon

Half

10K

BQ

View details for race The Steamboat Marathon

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

5K

Trail

View details for race All-Out Summer Breeze

Race in the Clouds - Alma Dirt Festival 2026

Alma, CO

Saturday, June 27th, 2026

Marathon

Half

1 Mile

Trail

Fast

View details for race Race in the Clouds - Alma Dirt Festival 2026

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

5K

View details for race Erie Half & 5k

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 22nd, 2026

Half

5K

Trail

View details for race Byers Peak Stampede Half Marathon & 5K Run

Explore more in Steamboat Springs, CO

Distances:

5K 10K Half Marathon Marathon

Months:

September October November

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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