Event details subject to change. Please confirm all information via event website.
Old Man Winter Rally 5K/10K
Bohn Park 199 2nd Ave., Lyons, CO, United StatesBundle up and get ready to run and/or ride Colorado's best mixed terrain at the Old Man Winter Rally in Lyons on February 6th. Runners can crush the 10K course of single track trails, red rock canyon and gravel paths while riders can choose a 50K or 100K of dirt, snow, climbs and thrills! With a ragin' after party with hot food and cold beer, what more could you want?
Running Up for Air
Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United StatesRunning Up for Air unites our community over a shared passion for running and a desire to drive real, lasting change in the fight for cleaner air. Through endurance events and strategic partnerships, every vertical foot run and every hour volunteered amplifies support for nonprofits dedicated to air aquality solutions, turning even small donations into […]
Westy Winter Waggle
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesIt's the Westy Winter Waggle 5&10k! Come waggle with us along an accurately measured, professionally timed course where you're welcomed by super friendly volunteers who wanna waggle with ya in the Colorado snow season! Come out for a Brrrrisk Brrrrun and choose your distance! History: This event was once part of the beloved Winter Six […]
Sweet Heart Run
Fruita Community Center 324 N Coulson, Fruita, CO, United StatesThis February, run your heart out, sweetheart! Choose between a 5K or 10K along the scenic Fruita Trail System, and don’t forget to dress up for the costume contest. After the race, enjoy some sweet treats and celebrate with us at the post-race party.
Vail Mountain Winter Uphill
Lionshead Gondola Vail, CO, United StatesJoin us as skiers, snowboarders and winter runners tackle 2,200 vertical feet of groomed trails to reach Eagle's Nest at the top of the Eagle Bahn Gondola in Lionshead. The event will conclude with breakfast and awards at Eagle's Nest, provided by Vail Ski Resort and US Foods. This event honors the memory of Vail local, Lyndon […]
Toyota Super Half Mararthon
Pioneers Museum 215 South Tejon Street, Colorado Springs, CO, United StatesThe streets and trails of downtown Colorado Springs are not exactly the “Frozen Tundra of Lambeau Field” but on Super Bowl Sunday, Feb.8, 2026, more than 1,500 runners will race for paydirt there in the 14th Toyota Super Half Marathon & Game Day 5K. This is Colorado Springs’ Super Sunday Tradition! We have a flat […]
Sweetheart Classic
Loveland Aleworks 118 W 4th St, Loveland, CO, United StatesSweetheart City Racing is excited to once again hold this year’s event. With a race start and awards in Downtown Loveland it will be right in the center of the action of the inaugural Loveland Sweetheart Festival – Love, Locks and Lights. You will love our newly designed 4 mile race course along River’s Edge […]
CMRA Forty Furlongs
Road Runner Sports Westminster 10436 Town Center Drive, Westminster, CO, United StatesThis is a flat out-and-back 5 mile course on Westminster's trail system (nearly all concrete path). Start and finish will be at Sensory Park. The route starts outbound on Walnut Creek Trail heading East. Shortly before mile 1 the course makes a left onto the Big Dry Creek Trail. The Big Dry Creek trail travels under […]
Heart Throb 5K
Memorial Park - Arvada 8001 West 59th Ave, Arvada, CO, United StatesAre you a Heart Throb? Grab your best running buddy and come on out to Johnny Roberts Memorial Park on the Saturday before Valentines Day. Celebrate the ability to get your heart pumping by cruising through this flat and fast 5k run (or walk!) Many participants choose this event to 'earn' the rich foods they […]
Ralston Creek Half Marathon
Move by Morelli 6542 Fig Street, Arvada, CO, United StatesThe Ralston Creek races feature a fun winter half-marathon and 5K run conveniently located on the west side of the Denver Metro Area in Arvada, Colorado. The courses covers a scenic mix of road and bike path over rolling terrain, and an optional early start time for half-marathon runners who expect to take more than […]
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