Upcoming Half Marathon Races Near Centennial, CO

Name: All-Out Polar Prowl
Start: 2027-01-09
End: 2027-01-09
Location: Arvada

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Featured

Half

10K

Trail

View details for race All-Out Mardi Crawl

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

Westminster, CO

Saturday, February 28th, 2026

10K

Half

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

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

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

Trail

View details for race All-Out Spring Fever

Three Creeks Half Marathon

Englewood, CO

Sunday, April 5th, 2026

Half

Trail

Fast

View details for race Three Creeks Half Marathon

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half

Trail

View details for race Platte River Half-Marathon and Relay

Prairie Dog Run Series

Louisville, CO

Sunday, April 12th, 2026

Half

View details for race Prairie Dog Run Series

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

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

View details for race All-Out Beat the Heat

Runs With Scissors Races

Brighton, CO

Saturday, April 25th, 2026

Half

Marathon

Ultra

View details for race Runs With Scissors Races

Blue Heron Half & 5K

Brighton, CO

Sunday, April 26th, 2026

Half

Fast

View details for race Blue Heron Half & 5K

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

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

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

View details for race Hometown Half Marathon & 5k/10k - Denver

Girls on the Run Rockies Colfax SoleMates 2026

Denver, CO

Sunday, May 17th, 2026

Marathon

Half

View details for race Girls on the Run Rockies Colfax SoleMates 2026

Farish Trail Race

Woodland Park, CO

Saturday, May 23rd, 2026

Half

10K

Trail

View details for race Farish Trail Race

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

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, CO

Saturday, July 18th, 2026

Half

10K

Trail

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

Bound for Boston Marathon & Half Marathon - Denver

Denver, CO

Sunday, August 2nd, 2026

Marathon

Half

Fast

View details for race Bound for Boston Marathon & Half Marathon - Denver

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

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 22nd, 2026

Marathon

Half

Trail

View details for race Staunton Rocks! Marathon and Half Marathon

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

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

Golden Harvest Half Marathon & 5k/10k - Denver

Denver, CO

Saturday, September 5th, 2026

10K

Half

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

View details for race Labor Day Half Marathon

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

Spooky Sprint - Denver

Denver, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

Westy Half & 5k

Westminster, CO

Sunday, October 11th, 2026

Half

View details for race Westy Half & 5k

All-Out Kooky-Spooky

Golden, CO

Sunday, November 1st, 2026

Half

10K

Trail

View details for race All-Out Kooky-Spooky

Turkey Trails- Denver

Denver, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

HRCA Backcountry Wilderness Half Marathon

Lone Tree, CO

Saturday, November 7th, 2026

Half

Trail

View details for race HRCA Backcountry Wilderness Half Marathon

Turkey Trails- Denver

Lakewood, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

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 Fa La La

Westminster, CO

Saturday, December 5th, 2026

Half

10K

Trail

View details for race All-Out Fa La La

All-Out Polar Prowl

Arvada, CO

Saturday, January 9th, 2027

Half

10K

Trail

View details for race All-Out Polar Prowl

Explore more in Centennial, 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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