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Upcoming Half Marathon Races Near Arvada, CO

Hometown Half Marathon & 5k/10k - Denver logo

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Saturday, June 21st, 2025

10K
1 Mile
5K
View details for race Hometown Half Marathon & 5k/10k - Denver
Hometown Half Marathon & 5k/10k - Denver logo

Hometown Half Marathon & 5k/10k - Denver

Westminster, CO

Saturday, June 21st, 2025

5K
10K
Half
View details for race Hometown Half Marathon & 5k/10k - Denver
Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing logo

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

Windsor, CO

Saturday, June 21st, 2025

5K
10K
Half
View details for race Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing
5th Annual July 4th ROCK-IT RUN logo

5th Annual July 4th ROCK-IT RUN

Castle Rock, CO

Friday, July 4th, 2025

5K
Half
View details for race 5th Annual July 4th ROCK-IT RUN
Fleet Feet Denver Fall Half-Marathon Twelve-Week Training Program logo

Fleet Feet Denver Fall Half-Marathon Twelve-Wee...

Littleton, CO

Tuesday, July 8th, 2025

Half
View details for race Fleet Feet Denver Fall Half-Marathon Twelve-Week Training Program
All-Out Dog Days logo

All-Out Dog Days

Westminster, CO

Saturday, July 12th, 2025

Half
10K
5K
Trail
View details for race All-Out Dog Days
Summer Splash Prairie Dog Half, 10k, & 5k logo

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

Castle Rock, CO

Saturday, July 19th, 2025

Half
10K
5K
Trail
View details for race Summer Splash Prairie Dog Half, 10k, & 5k
Rocky Mountain Half Marathon & 5K logo

Rocky Mountain Half Marathon & 5K

Estes Park, CO

Friday, August 1st, 2025

10K
Half
5K
View details for race Rocky Mountain Half Marathon & 5K
All-Out Runapalooza logo

All-Out Runapalooza

Arvada, CO

Saturday, August 2nd, 2025

Half
10K
5K
Trail
View details for race All-Out Runapalooza
Bound for Boston Marathon & Half Marathon - Denver logo

Bound for Boston Marathon & Half Marathon - Denver

Denver, CO

Sunday, August 3rd, 2025

Marathon
Half
Fast
BQ
View details for race Bound for Boston Marathon & Half Marathon - Denver
Choice City Running Festival logo

Choice City Running Festival

Fort Collins, CO

Friday, August 8th, 2025

1 Mile
5K
10K
View details for race Choice City Running Festival
Erie Half & 5k logo

Erie Half & 5k

Erie, CO

Sunday, August 17th, 2025

Half
5K
View details for race Erie Half & 5k
Staunton Rocks! Marathon and Half Marathon logo

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 23rd, 2025

Marathon
Half
Trail
View details for race Staunton Rocks! Marathon and Half Marathon
Staunton Rocks! Marathon & Half logo

Staunton Rocks! Marathon & Half

Conifer, CO

Saturday, August 23rd, 2025

Half
Marathon
Trail
View details for race Staunton Rocks! Marathon & Half
Byers Peak Stampede Half Marathon & 5K Run logo

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 23rd, 2025

Half
5K
View details for race Byers Peak Stampede Half Marathon & 5K Run
Calarat Challenge Trail Running Festival logo

Calarat Challenge Trail Running Festival

Jamestown, CO

Saturday, August 30th, 2025

Half
10K
5K
Trail
View details for race Calarat Challenge Trail Running Festival
Labor Day Half Marathon logo

Labor Day Half Marathon

Parker, CO

Monday, September 1st, 2025

Half
10K
5K
Fast
View details for race Labor Day Half Marathon
All-Out Fall Fest logo

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Half
10K
5K
Trail
View details for race All-Out Fall Fest
National Chocolate Day: Run for Chocolates DENVER/AURORA logo

National Chocolate Day: Run for Chocolates DENV...

Centennial, CO

Saturday, September 13th, 2025

5K
10K
Half
View details for race National Chocolate Day: Run for Chocolates DENVER/AURORA
Fall Equinox logo

Fall Equinox

Fort Collins, CO

Sunday, September 14th, 2025

Marathon
Half
Fast
View details for race Fall Equinox
Spooky Sprint - Denver logo

Spooky Sprint - Denver

Denver, CO

Sunday, September 14th, 2025

10K
1 Mile
5K
View details for race Spooky Sprint - Denver
Spooky Sprint - Denver logo

Spooky Sprint - Denver

Littleton, CO

Sunday, September 14th, 2025

1 Mile
5K
10K
View details for race Spooky Sprint - Denver
13th Annual Superhero Event logo

13th Annual Superhero Event

Greeley, CO

Saturday, September 20th, 2025

10K
5K
1 Mile
View details for race 13th Annual Superhero Event
National Singles Day: Singles & Friends Running DENVER/AURORA logo

National Singles Day: Singles & Friends Running...

Centennial, CO

Saturday, September 27th, 2025

5K
10K
Half
View details for race National Singles Day: Singles & Friends Running DENVER/AURORA
National Coffee Day: Run for Coffee DENVER/AURORA logo

National Coffee Day: Run for Coffee DENVER/AURORA

Centennial, CO

Saturday, September 27th, 2025

5K
10K
Half
View details for race National Coffee Day: Run for Coffee DENVER/AURORA
Pioneer Prairie Dog Half, 10k & 5k logo

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

10K
5K
Half
View details for race Pioneer Prairie Dog Half, 10k & 5k
Layafette Music Fest Half-Marathon/10K/5K logo

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
Windsor Marathon, Half Marathon, 10k & 5k logo

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, CO

Sunday, October 5th, 2025

Marathon
Half
10K
Trail
View details for race Windsor Marathon, Half Marathon, 10k & 5k
The Long View Marathon logo

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

5K
Half
Marathon
View details for race The Long View Marathon
Westy Half & 5k logo

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

5K
Half
View details for race Westy Half & 5k
Blue Sky Marathon & Half logo

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 logo

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025

Half
10K
5K
Trail
View details for race All-Out Kooky-Spooky
HRCA Backcountry Wilderness Half Marathon logo

HRCA Backcountry Wilderness Half Marathon

Lone Tree, CO

Saturday, November 8th, 2025

Half
Trail
View details for race HRCA Backcountry Wilderness Half Marathon
10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE! logo

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

Arvada, CO

Saturday, November 22nd, 2025

10K
5K
Half
Trail
View details for race 10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE!
All-Out Fa La La logo

All-Out Fa La La

Westminster, CO

Saturday, December 6th, 2025

Half
10K
5K
Trail
View details for race All-Out Fa La La
All-Out Polar Prowl logo

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 logo

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 logo

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 logo

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half
10K
5K
Trail
View details for race All-Out Spring Fever
Platte River Half-Marathon and Relay logo

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half
Trail
View details for race Platte River Half-Marathon and Relay
All-Out Beat the Heat logo

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half
10K
5K
Trail
View details for race All-Out Beat the Heat
The Colorado Marathon logo

The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon
Half
10K
View details for race The Colorado Marathon

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