Run Crazy Horse Marathon

Crazy Horse Memorial Ave of the Chiefs, Crazy Horse, SD, United States

Run from the shadows of the world's largest Mountain Carving, Crazy Horse Memorial, to the Heart of the Black Hills, South Dakota to finish in Hill City!

Spooky Sprint Half Marathon

Goose Gossege Park 3950 Mark Dabling Blvd, Colorado Springs, CO, United States

Join us for the annual Spooky Sprint 5k/10k & Half Marathon! A fun, Halloween-themed event that is perfect for the whole family.

RMRR 12K and 5K

Star K Ranch 16002 E Smith Road, Aurora, CO, United States

Everyone – slow, fast, or in-between –  can win  at RMRR Trophy Series races.  With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great […]

Michael J. Fox Foundation’s Denver Run/Walk

City Park - Denver 1700 N York St, Denver, CO, United States

We're excited to invite you to be a part of The Michael J. Fox Foundation’s Denver Run/Walk, a community event dedicated to raising awareness and funds for Parkinson's research. Lace […]

$20 – $65

Strides for Sierra 5K

Sierra Elementary 7771 Oak St, Arvada, CO, United States

Join us Sunday October 6th at 9:00am for the Second Annual Strides for Sierra 5K run/walk fundraiser. Get your sweat on running or enjoy a leisurely stroll through the beautiful […]

Event Series PPRR Fall Series

PPRR Fall Series I

Bear Creek Regional Park 245 Bear Creek Road, Colorado Springs, CO, United States

The Fall Series consists of four trail races in four different city/county parks. The trails range from well-maintained to rocky with tree roots. Each event is a unique challenge at […]

Indian Creek Fifties

Indian Creek Campground 2499 Pine Creek Rd, Sedalia, CO, United States

The Indian Creek Fifties takes advantage of the challenging and little used terrain just southwest of the Denver Metro area. Loop 1 climbs to 8000′, and quickly flows down into […]

Long View Marathon

City Park - Fort Collins 1500 W Mulberry St, Fort Collins, CO, United States

Showcasing a unique city-to-city trail connection, The Long View Marathon and Half Marathon runs from Fort Collins to Loveland. Together, Gnar Runners and Sweetheart City Racing bring a unique collaboration […]

$65 – $120

Sage Burner Trail Race

Hartman Rocks Recreation Area Gunnison, CO, United States

Nestled in the Rocky Mountains, about 2 hours east of Grand Junction and 3 hours west of Denver, lies a small running jewel called Gunnison, Colorado. Visit Gunnison, and you’ll […]

Cheyenne Mountain Trail Race

Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

This race benefits Achilles Pikes Peak, a local nonprofit that helps athletes with disabilities to enjoy the trails and live rich, active lives. Our 50K, 25K and 10K courses in […]

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