Race Calendar in Colorado, United States

Oct

17

A2A Hero Run/Walk 5K

Pueblo, Colorado, United States

$20.00

Running

4.8K

Oct

17

Witch Paddle

Littleton, Colorado, United States

$60.00

Paddle sports

2026 Witch Paddle

Oct

17

Indian Creek Trail Runs

Sedalia, Colorado, United States

$60.00 - $170.00

Trail running

8.9K 24.1K Ultra

Oct

17

The Great Trailhead Foot Race 5 & 10 Miler

Lakewood, Colorado, United States

$70.00 - $75.00

Running

8K 16.1K

Oct

17

Blue Sky Trail Marathon & Half Marathon

Fort Collins, Colorado, United States

$110.00 - $130.00

Trail running

43K 22.2K

Oct

17

Living Water 5K Fun Run

Denver, Colorado, United States

$30.00

Running

5.1K

Oct

17

Chili Chase

Durango, Colorado, United States

$40.00

Trail running

10.5K

Oct

17

The Great Pumpkin Haul

Fruita, Colorado, United States

$45.00 - $65.00

Running

3.2K

Oct

17

Running Scared 5K/13K - Denver

Littleton, Colorado, United States

$30.00 - $60.00

Running

5K 13K 18K +4

Oct

18

Halloween Hustle for Charity

Glenwood Springs, Colorado, United States

$35.00

Running

1.5K 5.5K

Oct

18

Beti Bike Bash

Denver, Colorado, United States

Mountain biking

General (Adult) Entry Junior Entry (Long Course) Under 18 Bitty Beti Girls Race (short course) - 12 and Under Kids Race (Girls & Boys Welcome) +1

Oct

18

Fall Harvesr Kids Duathlon

Colorado Springs, Colorado, United States

$35.00

Duathlon

Kids Duathlon