ARCHIVED RACE: 2022 Hot Chocolate Run Denver @ Civic Center, Denver, Colorado, United States on 02 October 2022

The Hot Chocolate Run series is back for the 2022/2023 season! Join the chocolate movement that’s taking over the country. This race has it all – two distances, premium swag and a post-race chocolate experience like no other. And, for the second year in a row, we’re proud to partner with St. Jude Children’s Research […]

ARCHIVED RACE: 18th Annual Turkey ROCK Trot @ Douglas County Events Center, 500 Fairgrounds Road, Castle Rock, Colorado, United States on 24 November 2022

Join us and discover why the Turkey ROCK Trot is Castle Rock’s largest attended running race and Thanksgiving morning give-back tradition. REGISTRATION IS OPEN and LIMITED for the 18th Annual Turkey ROCK Trot 5K Family Fun Run/Walk/Stroll in Castle Rock, CO. Whether you are a serious runner or a leisurely walker, bring the whole family […]

ARCHIVED RACE: Old Man Winter Rally @ 600 Park Drive, Lyons, CO, United States on 06 February 2022

Event Name: Old Man Winter Rally Link: Date: Feb. 6th Event Description: Bundle up and get ready to run and/or ride Colorado’s best mixed terrain at the 2022 Old Man Winter Rally! Riders can choose 50KM or 100KM of gravel, snow, climbs and thrills. Runners can crush the 10KM course that provides the best […]

ARCHIVED RACE: Grand Mesa Ultras @ Grand Mesa – Mesa Top Trailhead, Cedaredge, CO, United States on 31 July 2021

– Good Old Fashioned Colorado Single-Track Mountain Trail Races @ High Elevation! – Cash $$ Prizes for 1st-3rd M/F ​ ($100 extra for course records) 50m = $200, $150, $100 55k = $125, $100, $75 30k = $100, $75, $50 – Custom Finisher Awards for 1st-3rd & Masters M/F – Awesome Post-Race Raffle – Sweet […]

ARCHIVED RACE: Never Summer 100k @ State Forest State Park, Walden, CO, United States on 25 July 2020

The Never Summer 100km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border of Rocky Mountain National Park (RMNP) and the Medicine Bow Mountains to the north of Cameron Pass. The first 20 miles of the race will offer a […]

ARCHIVED RACE: Quad Rock 50/25m @ Lory State Park, Fort Collins, CO, United States on 09 May 2020

Welcome to the Quad Rock 25 & 50 mile trail race, an event put on by trail runners for trail runners. Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 25/50 will take you on a tour of the Fort Collins skyline, […]

ARCHIVED RACE: Horsetooth Half Marathon @ New Belgium Brewery, Fort Collins, CO, United States on 19 April 2020

Welcome to the 47th running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium Brewery. On the way you’ll tackle the challenging hills of Centennial Drive along the shorelines of the […]

ARCHIVED RACE: Colorado Springs Marathon @ , Colorado Springs, CO, United States on 28 September 2019

The Colorado Springs Marathon Presented by Centura Orthopedics is a national running event that features a Full Marathon (BQ), Half Marathon, 5k and Kids K beginning and ending in downtown Colorado Springs. The course will showcase this beautiful city by taking runners on through America the Beautiful Park, Monument Valley Park, around Memorial Park, and […]

ARCHIVED RACE: Long View Marathon & Half Marathon @ City Park, Fort Collins, Colorado, United States on 05 October 2019

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 to Colorado’s running scene in this one-of-a-kind race event.

ARCHIVED RACE: Rim Rock Marathon @ Colorado National Monument, Grand Junction, Colorado, United States on 07 November 2015

Colorado National Monument

Join one of the most scenic marathons in the world. Winding over the Colorado National Monument (a unit of the national park system) from Grand Junction to Fruita, Colorado, this race boasts scenery like none other. Enjoy the peaceful course featuring views of towering monoliths, vast plateaus and canyon panoramas. You can experience sheer-walled, red […]

ARCHIVED RACE: Hams and Hamstrings 5K @ 7-Eleven – 7718 E. Woodmen Rd, Colorado Springs, CO, United States on 20 April 2014


The Hams and Hamstrings 5K has a new course this year! The course starts at 7-Eleven just west of Woodmen and Marksheffel and heads south on the trail, turns around at the new fire station and returns to 7-Eleven (Oh, Thank Heaven for 7-Eleven!). HAMS will be given to Overall winners. (It is the HAMS […]

ARCHIVED RACE: Spartyka Wounded Warrior 5K – Colorado Springs @ Monument Valley Park, 170 West Cache La Poudre Street, Colorado Springs, Colorado, USA on 22 September 2012


Honor the Warrior Spirit by supporting the First Spartyka Wounded Warrior 5K Run/Walk on Saturday, September 22, 2012 at Monument Valley Park. The event benefits the Wounded Warrior Project, a national organization supporting wounded veterans and welcomes runners and walkers of all ages and anyone with a patriotic spirit who wants to show support for […]

ARCHIVED RACE: Spartan Military Sprint Race @ Colorado 2012 @ Fort Carson, Colorado Spring, Colorado, USA on 05 May 2012


When: May 5th – Cinco De Mayo – and 6th* 2012

Distance: Military Sprint distance will be approximately 4 miles give or take a few extra special forces surprises!

Obstacles:This Military Sprint will be similar to the Spartan Sprint with additional obstacles designed by the 4th Infantry and

Specials Forces units. A big difference is […]

ARCHIVED RACE: Ragnar Relay Colorado @ Breckenridge, Colorado, USA on 07 September 2012


Ragnar is the overnight running relay race that makes testing your limits a team sport. A team is made up of 6-12 individuals; each individual runs 3 legs. The legs of the race vary in difficulty and distance, from 3-8 miles, allowing elite and novice runners to run together. Over 2 days and 1 night, […]

ARCHIVED RACE: Wild West Relay @ Budweiser Tour Center, Fort Collins, CO, USA on 03 August 2012


The Wild West Relay is Colorado’s most scenic, and based on customer feedback, best organized, relay race. The 200-mile team running relay race adventure is designed for runners of all abilities. Twenty-nine percent of the route is on dirt roads, and passes through three National Forests.


ARCHIVED RACE: Mountaineer Marathon and 1/2 @ Lake City Town Park, Lake City, Colorado, United States on 28 May 2012

Marathon logo full

The Mountaineer Marathon and Half is a project put together by the Junior and Senior class of Lake City Community School who enjoy running as a hobby. This is the second year for the running of the Mountaineer Marathon and Half so we are still working the kinks out. The race starts in the town […]

ARCHIVED RACE: Boulder Distance Classic @ Boulder Reservoir, Boulder, Colorado, USA on 28 April 2012

Sign up for the distance of your choice at the eleventh annual Boulder Distance Classic, Boulder’s favorite spring distance running event, on Saturday, April 28, at the Boulder Reservoir in Boulder, Colorado! 5K and 15K participants will receive a premium soft-weave Brooks technical shirt. Everyone will also enjoy a delicious post-race meal including fresh fruit, […]

ARCHIVED RACE: Blue Sky Trail Marathon @ Fort Collins, CO, USA, October 7th, 2012


The Blue Sky Trail Marathon will start and end at the Blue Sky Trailhead at Horsetooth Mountain Park in Fort Collins, CO.

The route will run between Horsetooth Mountain Park and the Devil’s Backbone Open Space with approximately 3,300ft of vertical gain. The majority of the trail is single track with a variety of terrain […]

ARCHIVED RACE: Quad Rock 50 Mile Trail Race @ Fort Collins, CO, USA, May 12th, 2012


Welcome to the Quad Rock 50, an event put on by trail runners for trail runners.

Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 50 will take you on a tour of the Fort Collins skyline, situated on the northeastern boundary […]

ARCHIVED RACE: Copper Mountain 10k Trail Race, Colorado, USA, 2nd July 2011


With some of the most beautiful scenery, bike trails, creeks and mountain views, the Copper Mountain ½ Marathon will give you the full experience of mountain running. Starting at 9,700 feet, this race is for the runner looking to enjoy a nice run in the mountains and not for “time”.

ARCHIVED RACE: The Monster Dash 5k & Kids Race, Louisville, Colorado, 29th October 2011


costume contest, pumpkins and hot cider. Fun Run.

The 5k Run/Walk: A fun, challenging course, the runners will head West on Spruce Street, then head North, winding through our intricate bicycle paths, crossing bridges, around a small lake and finishing on the downhill back into town.

The Monster Mini-Mile: Any Age, this will be a […]

ARCHIVED RACE: Racing with the Stars, Broomfield, USA, Sunday, November 6th, 2011


A chance to run with a celebrity or Star.

The athletes pick the pace they wish to run the 5k, and Endurance Sports set them up with a World Class Athlete, Famous Person or Local Celebrity to help them achieve their goal for the day!

The 5k is produced in conjunction with the R.A.C.E. Conference, […]

ARCHIVED RACE: Leadville Trail 100 Run, 20th August 2011


Determination. Guts. Insanity. If you don’t have them, stop reading now. This is it: the race of all races. One hundred miles across the high-altitude, extreme terrain of the Colorado Rockies. Created for only the most determined runners. Starting at 10,200 feet and climbing to nearly 13,000 feet, you’ll be challenged to catch your breath […]