MonsterDASH

Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United States

The Aliens are returning to Louisville in 2024 after an unsuccessful landing bc of snow in 2023....  all 2023 runners will return as comp'd runners....so our field will be large...come early and come in costume.  Theme is ALIENS and ASTRONAUTS. 65% come in costume...and this is a AFTERNOON RACE:  3:00pm Start. Runners receive a Beanie […]

$35.00

Bridge Runner Ultra

Centennial Park - Cañon City Cañon City, CO, United States

This single loop 50k starts in the historic mining town of Canon City, Colorado. Runners' journeys will begin along the beautiful Arkansas River and travel through the historic granite blasted tunnels along Tunnel Drive. From here, runners will begin their steep climb to the highest point of the course at 7,109’ feet. At the top […]

PPRR Nielson Challenge

North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]

PPRR Nielson Challenge

North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]

Colorado 24 Hour Run

Colorado Youth Outdoors 4927 County Rd 36, Fort Collins, CO, United States

Welcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your running journey. Want to see how far you can go in 6, 12 or 24 hours? Or achieve a new furthest distance? What about setting […]

Moab Trail Marathon

Kane Creek Trailhead Moab, UT, United States

We are happy to announce that we will again be running Sundays 1/2 Marathon in addition to the traditional Saturday Races. So, you may run the 1/2 marathon on either Saturday or Sunday (same course, same support, but two separate awards.) If you want to run the Marathon, 10K or Kids K- they will be […]

Colleen De Reuck XC Classic

Harlow Platts Community Park 1360 Gillaspie Drive, Boulder, CO, United States

The Colleen De Reuck Cross Country Classic is a XC meet honoring one of the world's greatest ever distance athletes and Boulder local, Colleen De Reuck. Every year we will celebrate Colleen’s career, her devotion to the sport of running, and promotion of health and fitness, while also acknowledging a different Boulder Olympian every year.

Trails 5K

Piney Creek Hollow Park 6410 S Tower Rd, Aurora, CO, United States

Our mission is to bring awareness and support the struggles of mental health of youth, teens, adults and families in our community.  Many battles are related to mental health including bullying, depression, anxiety, addiction, identity, inclusion, trauma, abuse. Trails and Arapahoe Park & Recreation District are partnering with Aurora Youth Options, Aurora Mental Health & […]

Turkey Trails 5K/10K

Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United States

Join us for the annual Turkey Trails 5k/10k!  A fun, Thanksgiving-themed event that is perfect for the whole family. The fun includes - Great Swag - designer shirt & custom medal Chip-timing with live results and awards Free photos Delicious Treats waiting at the finish line Plenty of fun! Grab your friends and family, you […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.