Upcoming Half Marathon Races Near Steamboat Springs, CO

Name: All-Out Spring Fever
Start: 2027-03-21
End: 2027-03-21
Location: Golden

Horsetooth Half Marathon

Fort Collins, CO

Sunday, April 19th, 2026

Featured

Half

Trail

Fast

View details for race Horsetooth Half Marathon

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NoCo Half Marathon & 10K

Loveland, CO

Saturday, April 25th, 2026

10K

Half

View details for race NoCo Half Marathon & 10K

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 25th, 2026

Half

View details for race Bigfoot Half Marathon

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)

The Steamboat Marathon

Steamboat Springs, CO

Sunday, June 7th, 2026

Marathon

Half

10K

View details for race The Steamboat Marathon

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

Race in the Clouds - Alma Dirt Festival 2026

Alma, CO

Thursday, June 25th, 2026

Marathon

Half

10K

Trail

Fast

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

Aspen Valley Marathon

Aspen, CO

Saturday, July 25th, 2026

Marathon

Half

View details for race Aspen Valley Marathon

Choice City Running Festival

Fort Collins, CO

Friday, August 7th, 2026

1 Mile

Half

10K

View details for race Choice City Running Festival

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

View details for race Erie Half & 5k

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 22nd, 2026

Half

Trail

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

Black Squirrel Half Marathon

Bellvue, CO

Saturday, September 12th, 2026

Half

Trail

View details for race Black Squirrel Half Marathon

Fall Equinox

Fort Collins, CO

Sunday, September 20th, 2026

Half

Fast

View details for race Fall Equinox

Red Feather Trail Jamboree

Red Feather Lakes, CO

Friday, September 25th, 2026

Ultra

Half

Trail

View details for race Red Feather Trail Jamboree

Running for Children's Rights to Both Parents -...

Boulder, CO

Sunday, September 27th, 2026

Half

10K

View details for race Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States

The Long View Marathon

Fort Collins, CO

Saturday, October 10th, 2026

Marathon

Half

View details for race The Long View Marathon

Breckenridge RunFest

Breckenridge, CO

Saturday, October 10th, 2026

Marathon

Half

10K

View details for race Breckenridge RunFest

All-Out Kooky-Spooky

Golden, CO

Sunday, November 1st, 2026

Half

10K

Trail

View details for race All-Out Kooky-Spooky

TURKEY TREK (13.1, 10k, 5k & 2k)

Arvada, CO

Saturday, November 21st, 2026

Half

10K

View details for race TURKEY TREK (13.1, 10k, 5k & 2k)

All-Out Polar Prowl

Arvada, CO

Saturday, January 9th, 2027

Half

10K

Trail

View details for race All-Out Polar Prowl

All-Out Mardi Crawl

Arvada, CO

Saturday, February 6th, 2027

Half

10K

Trail

View details for race All-Out Mardi Crawl

All-Out Spring Fever

Golden, CO

Sunday, March 21st, 2027

Half

10K

Trail

View details for race All-Out Spring Fever

Explore more in Steamboat Springs, CO

Distances:

5K 10K Half Marathon Marathon

Months:

May June July

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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