Event details subject to change. Please confirm all information via event website.
Colorado 13er
The Colorado 13er is THE event where the best parts of trail running and road racing combine to create a truly enjoyable, kind-to-your-body, well-supported 13.1 race! Seasoned runners and first-timers alike appreciate the excellent communication from the 13er race crew who make this event accessible for athletes of all levels.
Steamboat Marathon
Run alongside the roaring Elk River through the emerald green pastures on Country Road 129 with the snow-capped Rocky Mountains of Colorado all around and find out why the Steamboat Marathon was ranked as one of the “Top 10 Destination Marathons in North America.” Marathon, Half-Marathon, and 10K
Adidas Terrex 10K Spring Runoff
Vail Village 292 E Meadow Dr, Vail, CO, United StatesChallenge the Vail Valley’s best trail runners along with top professionals at almost 9,000 feet as you compete for a cash purse. This course will truly test your fitness with its constant elevation changes and mountainous terrain. Start training now for one of the most challenging 10Ks in the nation!
Deadwood Mickelson Trail Marathon
26.2 Miles of Black Hills, South Dakota Beauty!
Adidas Terrex 20K Trail Run
Vail Village 292 E Meadow Dr, Vail, CO, United StatesCOURSE CHANGE FOR 2026 & BIGGER PRIZE PURSE! A behemoth of running races, the adidas TERREX 20K Trail Run is for the boldest competitors. Destroy a near-half marathon on a difficult course that spans nearly the entire front side of Vail Mountain! One of the more challenging and rewarding 20Ks in the nation, line up alongside some of the Vail […]
Adidas Terrex Sunday Funday 5K
Vail Village 292 E Meadow Dr, Vail, CO, United StatesNEW COURSE FOR 2026! Kick off your Sunday the fun way with fresh air, fast feet, and a 5K full of good energy. The Sunday Funday 5K is just what you need to kick off your day! Good vibes, great people, and 3.1 miles of fun! It’s the adidas TERREX Sunday Funday 5k at the GoPro Mountain Games!
Walk to Cure Arthritis
Together, let’s walk to a lifetime of Yes! Yes, to finding solutions, better treatments and a cure. Whether you have arthritis yourself or care about someone who does, sign up and raise funds for WALK to CURE Arthritis!
Adidas Terrex Pepi’s Face Off
Vail Village 292 E Meadow Dr, Vail, CO, United StatesGet ready for the thrill of a lifetime with the ultimate adrenaline rush: the Showstopper! This event is not for the faint of heart—it’s a wild test of brainpower, brawn, and sheer willpower. Gear up to conquer Pepi’s Face, the iconic slope named after Vail’s legendary Pepi Gramshammer. Over a period of 30 minutes, you’ll tackle this epic run […]
The 80’s Run
THE 80s Are back! Are you ready? Then grab your old Nikes, Leg Warmers and Parachute Pants or SHORT shorts!
Barr Lake Trail Race
The Barr Lake Trail Race returns to Brighton, CO, offering beautiful lake views and a prime opportunity for new PRs. Now in its sixth year, this event features our flattest and fastest course, with less than 100 feet of elevation gain per loop. Starting and finishing at the Nature Center, runners will enjoy a scenic […]
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