Upcoming Races Near Denver, CO - Matching: Trail Races

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Sunset Trail Running Festival

Boulder, CO

Sunday, June 21st, 2026

12K

Trail

View details for race Sunset Trail Running Festival

4th of July Donut Hole Mile

Arvada, CO

Saturday, July 4th, 2026

1 Mile

Trail

View details for race 4th of July Donut Hole Mile

4 Miles on the 4th

Palmer Lake, CO

Saturday, July 4th, 2026

Trail

View details for race 4 Miles on the 4th

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

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

The Hero's Journey 5K

Aurora, CO

Saturday, July 25th, 2026

Trail

View details for race The Hero's Journey 5K

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

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

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, CO

Saturday, August 29th, 2026

1 Mile

Trail

View details for race RexRun For PAWSitivity 2026 Trail Run/Walk

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

CG Adventure Club - Elevation Everest

Winter Park, CO

Wednesday, September 23rd, 2026

Trail

View details for race CG Adventure Club - Elevation Everest

HRCA Wildcat Mountain Trail Races

Littleton, CO

Saturday, October 3rd, 2026

10 Miles

10K

Trail

View details for race HRCA Wildcat Mountain Trail Races

OUTLAST DENVER

Littleton, CO

Saturday, October 3rd, 2026

Trail

View details for race OUTLAST DENVER

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

Windsor, CO

Sunday, October 4th, 2026

Marathon

Half

10K

Trail

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

Suffer Better 10th Annual Fall Trail Runs

Pine, CO

Saturday, October 10th, 2026

Ultra

Trail

View details for race Suffer Better 10th Annual Fall Trail Runs

Indian Creek Trail Runs

Sedalia, CO

Saturday, October 17th, 2026

Trail

View details for race Indian Creek Trail Runs

All-Out Kooky-Spooky

Golden, CO

Sunday, November 1st, 2026

Half

10K

Trail

View details for race All-Out Kooky-Spooky

HRCA Backcountry Wilderness Half Marathon

Lone Tree, CO

Saturday, November 7th, 2026

Half

Trail

View details for race HRCA Backcountry Wilderness Half Marathon

Sawmill Trail Runs

Pine, CO

Saturday, December 5th, 2026

Trail

View details for race Sawmill Trail Runs

All-Out Fa La La

Westminster, CO

Saturday, December 5th, 2026

Half

10K

Trail

View details for race All-Out Fa La La

Santa Catch 5k & 10k

Windsor, CO

Saturday, December 12th, 2026

10K

1 Mile

Trail

View details for race Santa Catch 5k & 10k

Resolute Runner 5k

Arvada, CO

Friday, January 1st, 2027

Trail

View details for race Resolute Runner 5k

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

All-Out Beat the Heat

Westminster, CO

Saturday, April 24th, 2027

Half

10K

Trail

View details for race All-Out Beat the Heat

Greenland Trail Races

Larkspur, CO

Saturday, May 1st, 2027

Ultra

Trail

View details for race Greenland Trail Races

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

Louisville, CO

Sunday, June 6th, 2027

Half

10K

Trail

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

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