Upcoming Races Near Denver, CO - Matching: Trail Races

Name: Summer Splash Prairie Dog Half, 10k, & 5k
Start: 2026-07-18
End: 2026-07-18
Location: Castle Rock

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Rainbow Trail Lutheran Camp's 19th Annual Grace...

Denver, CO

Saturday, October 4th, 2025

Trail

View details for race Rainbow Trail Lutheran Camp's 19th Annual Grace Race 5k

RunAbilities FUN Walk/Run/Roll

Parker, CO

Saturday, October 4th, 2025

Trail

View details for race RunAbilities FUN Walk/Run/Roll

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mi...

Windsor, CO

Sunday, October 5th, 2025

Marathon

Half

10K

Trail

View details for race Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Suffer Better 9th Annual Fall Trail Runs

Pine, CO

Saturday, October 11th, 2025

Ultra

Trail

View details for race Suffer Better 9th Annual Fall Trail Runs

The Great Trailhead Foot Race 10 Miler & 5k

Lakewood, CO

Saturday, October 18th, 2025

10 Miles

Trail

View details for race The Great Trailhead Foot Race 10 Miler & 5k

Indian Creek Trail Runs

Sedalia, CO

Saturday, October 18th, 2025

Trail

View details for race Indian Creek Trail Runs

McGraw Memorial Park "Quick Draw @ McGraw" 2 Mi...

Bailey, CO

Saturday, October 25th, 2025

Trail

View details for race McGraw Memorial Park "Quick Draw @ McGraw" 2 Mile Trail Race

YMCA Creepy Crawl 5K

Palmer Lake, CO

Saturday, October 25th, 2025

Trail

View details for race YMCA Creepy Crawl 5K

HRCA Backcountry Wilderness Half Marathon

Lone Tree, CO

Saturday, November 8th, 2025

Half

Trail

View details for race HRCA Backcountry Wilderness Half Marathon

BINGO! Trail Party

Byers, CO

Saturday, November 8th, 2025

Trail

View details for race BINGO! Trail Party

Mountain Madness Fall Frenzy Orienteering Trail...

Golden, CO

Sunday, November 9th, 2025

Trail

View details for race Mountain Madness Fall Frenzy Orienteering Trail Race

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

Arvada, CO

Saturday, November 22nd, 2025

Half

10K

Trail

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

2025 Loveland Turkey Trot

Loveland, CO

Thursday, November 27th, 2025

Trail

View details for race 2025 Loveland Turkey Trot

Sawmill Trail Runs

Pine, CO

Saturday, December 6th, 2025

Trail

View details for race Sawmill Trail Runs

Santa Catch 5k & 10k

Windsor, CO

Saturday, December 13th, 2025

10K

1 Mile

Trail

View details for race Santa Catch 5k & 10k

Resolute Runner 5k

Arvada, CO

Thursday, January 1st, 2026

Trail

View details for race Resolute Runner 5k

Ralston Creek Half Marathon & 5k

Arvada, CO

Sunday, February 15th, 2026

Trail

View details for race Ralston Creek Half Marathon & 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

Run the Ranch

Loveland, CO

Friday, April 10th, 2026

10K

Trail

View details for race Run the Ranch

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half

Trail

View details for race Platte River Half-Marathon and Relay

Greenland Trail Races

Larkspur, CO

Saturday, May 2nd, 2026

Ultra

Trail

View details for race Greenland Trail Races

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)

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

Explore more in Denver, 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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