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10k Runs Near Colorado

Showing the next 50 runs that match your filters

Featured

Hot Chocolate Run - Denver

Get 15% Off - Use Code RGCO

Date: Oct 4, 2026 - Sunday

Size: 1,000 - 5,000 participants

Location: Denver, Colorado

5k

10k

15k

Road

Coupon

Featured

Ruidoso Runfest

Get 15% Off - Use Code RG15

Date: Sep 18-19, 2026 - Friday to Saturday

Size: 500 - 1,000 participants

Location: Ruidoso, New Mexico

5k

Half-marathon

Marathon

50k

Road

Coupon

1k

Heatwave Half Marathon - Colorado Springs

Date: Jul 12, 2026 - Sunday

Size: 100 - 500 participants

Location: Colorado Springs, Colorado

Half-marathon

5k

10k

1mi

Road

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

Date: Jul 18, 2026 - Saturday

Size: 100 - 500 participants

Location: Castle Rock, Colorado

5k

10k

Half-marathon

Road

5K & 10K @ 10,000 Feet

Date: Jul 18, 2026 - Saturday

Size: 100 - 500 participants

Location: Vail, Colorado

5k

10k

Trail

Are you organizing a running event?

Ranch Camp Roundup 5k, 10k Trail Run

Date: Jul 18, 2026 - Saturday

Size: 1 - 100 participants

Location: Elbert, Colorado

5k

10k

Trail

Run for Coffee Lovers 5K/10K/13.1 - Denver/Aurora

Date: Jul 25, 2026 - Saturday

Size: 100 - 500 participants

Location: Centennial, Colorado

1mi

5k

10k

Half-marathon

Fun Run

Road

Popsicle 5K/10K/Half - Colorado Springs

Date: Aug 1, 2026 - Saturday

Size: 100 - 500 participants

Location: Colorado Springs, Colorado

5k

10k

Half-marathon

Road

Vail Berry Picker Trail Run

Date: Aug 1, 2026 - Saturday

Size: 100 - 500 participants

Location: Vail, Colorado

5k

10k

Trail

Up & Over Trail Run Weekend

Date: Aug 1-2, 2026 - Saturday to Sunday

Size: 100 - 500 participants

Location: Taos Ski Valley, New Mexico

10k

Trail

20k

1k

Lory Summer Trail Series

Date: Aug 4-25, 2026 - Tuesday to Tuesday

Size: 100 - 500 participants

Location: Larimer County, Colorado

5k

10k

Trail

12k

All-Out Runapalooza

Date: Aug 8, 2026 - Saturday

Size: 100 - 500 participants

Location: Arvada, Colorado

Half-marathon

5k

10k

Trail

Reece’s Roundup Trail Run

Date: Aug 8, 2026 - Saturday

Size: 100 - 500 participants

Location: Castle Rock, Colorado

1mi

5k

10k

Trail

Summer Sizzler - Denver

Date: Aug 8, 2026 - Saturday

Size: 100 - 500 participants

Location: Thornton, Colorado

1mi

5k

10k

15k

Road

Summer Sizzler - Colorado Springs

Date: Aug 9, 2026 - Sunday

Size: 100 - 500 participants

Location: Colorado Springs, Colorado

1mi

5k

10k

15k

Road

Westminster Night Trail

Date: Aug 15, 2026 - Saturday

Size: 100 - 500 participants

Location: Westminster, Colorado

5k

10k

Half-marathon

Trail

Mt. Sneffels Half Marathon, 10K & Kids Fun Run

Date: Aug 15, 2026 - Saturday

Size: 500 - 1,000 participants

Location: Ridgway, Colorado

10k

Half-marathon

Road

Boulder Rez Marathon

Date: Aug 15, 2026 - Saturday

Size: 100 - 500 participants

Location: Boulder, Colorado

10k

Half-marathon

Marathon

Relay

Trail

19.34mi

The Cheyenne Mountain Run

Date: Aug 15, 2026 - Saturday

Size: 100 - 500 participants

Location: Colorado Springs, Colorado

5k

10k

Trail

25k

Run for PB&J 5K/10K/13.1 - Denver/Aurora

Date: Aug 15, 2026 - Saturday

Size: 100 - 500 participants

Location: Centennial, Colorado

1mi

5k

10k

Half-marathon

Fun Run

Road

Leadville 10K

Date: Aug 16, 2026 - Sunday

Size: 100 - 500 participants

Location: Leadville, Colorado

10k

Trail

Impact Uganda 5k/10k

Date: Aug 22, 2026 - Saturday

Size: 1 - 100 participants

Location: Sullivan, Colorado

5k

10k

Fun Run

Fundraiser

Road

Pioneer Prairie Dog Half Marathon 10k & 5k

Date: Aug 23, 2026 - Sunday

Size: 100 - 500 participants

Location: Westminster, Colorado

5k

10k

Half-marathon

Road

Boulder Sunset Run

Date: Aug 29, 2026 - Saturday

Size: 100 - 500 participants

Location: Boulder, Colorado

5k

10k

Trail

Rock Hawk Trail Races

Date: Aug 29, 2026 - Saturday

Size: 500 - 1,000 participants

Location: Castle Rock, Colorado

5k

10k

50k

Ultra

Trail

25k

Sloth Run 5K/10K/13.1 - Denver/Aurora

Date: Aug 29, 2026 - Saturday

Size: 100 - 500 participants

Location: Centennial, Colorado

1mi

5k

10k

Half-marathon

Fun Run

Road

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

Date: Sep 5, 2026 - Saturday

Size: 100 - 500 participants

Location: Westminster, Colorado

Half-marathon

5k

10k

1mi

Road

10k @ 10,000 Feet

Date: Sep 6, 2026 - Sunday

Size: 100 - 500 participants

Location: Jackson County, Colorado

5k

10k

Trail

Golden Harvest Half Marathon, 5k & 10k - Colorado Springs

Date: Sep 6, 2026 - Sunday

Size: 100 - 500 participants

Location: Colorado Springs, Colorado

1mi

5k

10k

Half-marathon

Road

Labor Day Half Marathon, 10K and 5K

Date: Sep 7, 2026 - Monday

Size: 500 - 1,000 participants

Location: Parker, Colorado

5k

10k

Half-marathon

Road

Snow Mtn Ranch Trail Festival

Date: Sep 12, 2026 - Saturday

Size: 100 - 500 participants

Location: Grand County, Colorado

5k

10k

Half-marathon

50k

Trail

Ned Ned Trail Fest

Date: Sep 12, 2026 - Saturday

Size: 500 - 1,000 participants

Location: Nederland, Colorado

5k

10k

Half-marathon

Road

Snow Mountain Ranch Trail Running Festival

Date: Sep 12, 2026 - Saturday

Size: 100 - 500 participants

Location: Grand Lake, Colorado

5k

10k

Half-marathon

50k

Ultra

Trail

33k

Ned Ned Half Marathon

Date: Sep 12, 2026 - Saturday

Size: 500 - 1,000 participants

Location: Nederland, Colorado

5k

10k

Half-marathon

Trail

National Chocolate Day Run for Chocolates 5K/10K/13.1 - Denver/Aurora

Date: Sep 12, 2026 - Saturday

Size: 100 - 500 participants

Location: Centennial, Colorado

1mi

5k

10k

Half-marathon

Fun Run

Road

Break Your Neck: Walk, Run, or Roll

Date: Sep 12, 2026 - Saturday

Size: 500 - 1,000 participants

Location: Pueblo, Colorado

5k

10k

Trail

Great Bison Shuffle

Date: Sep, 2026 (TBD)

Size: 100 - 500 participants

Location: Cheyenne, Wyoming

5k

10k

Half-marathon

Trail

All-Out Fallfest

Date: Sep 19, 2026 - Saturday

Size: 100 - 500 participants

Location: Westminster, Colorado

5k

10k

Half-marathon

Trail

Beulah Challenge

Date: Sep 19, 2026 - Saturday

Size: 100 - 500 participants

Location: Beulah, Colorado

5k

10k

Half-marathon

Road

Autumn Run

Date: Sep 19, 2026 - Saturday

Size: 100 - 500 participants

Location: Buena Vista, Colorado

5k

10k

Half-marathon

Trail

The Golden Gallop

Date: Sep 20, 2026 - Sunday

Size: 100 - 500 participants

Location: Golden, Colorado

5k

10k

Fun Run

Fundraiser

Road

So Long to Summer 5K/10K

Date: Sep 26, 2026 - Saturday

Size: 100 - 500 participants

Location: Parker, Colorado

5k

10k

Trail

Oktoberfest Run 5K/10K/13.1 - Denver/Aurora

Date: Sep 26, 2026 - Saturday

Size: 100 - 500 participants

Location: Centennial, Colorado

1mi

5k

10k

Half-marathon

Fun Run

Road

Boulderthon: Boulder Marathon

Date: Sep 27, 2026 - Sunday

Size: 10,000+ participants

Location: Boulder, Colorado

5k

10k

Half-marathon

Marathon

Road

Mainly Marathons Center of the Nation Series - Day 1

Date: Sep 28, 2026 - Monday

Size: 1 - 100 participants

Location: Cheyenne, Wyoming

5k

10k

Half-marathon

Marathon

50k

Ultra

Trail

I Can 5K and Deja Vu 10K

Date: Oct 3, 2026 - Saturday

Size: 100 - 500 participants

Location: Adams County, Colorado

5k

10k

Road

Above the Clouds Ultra

Date: Oct 3, 2026 - Saturday

Size: 100 - 500 participants

Location: Woodland Park, Colorado

10k

50k

Trail

The Bear Chase Trail Races

Date: Oct 3-4, 2026 - Saturday to Sunday

Size: 100 - 500 participants

Location: Lakewood, Colorado

5k

10k

Half-marathon

50k

50mi

Ultra

Trail

100k

Spooky Sprint - Denver

Date: Oct 3, 2026 - Saturday

Size: 500 - 1,000 participants

Location: Littleton, Colorado

1mi

5k

10k

Half-marathon

Road

The Pretzel Run

Date: Oct 3, 2026 - Saturday

Size: 100 - 500 participants

Location: Louisville, Colorado

1mi

5k

10k

Road

Hot Chocolate Run - Denver

Get 15% Off - Use Code RGCO

Date: Oct 4, 2026 - Sunday

Size: 1,000 - 5,000 participants

Location: Denver, Colorado

5k

10k

15k

Road

Coupon

Windsor Marathon, Half Marathon, 10k & 5k

Date: Oct 4, 2026 - Sunday

Size: 500 - 1,000 participants

Location: Windsor, Colorado

5k

10k

Half-marathon

Marathon

Road

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