Sangre de Cristo Ultras
Music Meadows Ranch 6076 Co Rd 119, Westcliffe, CO, United StatesCome join us on the Rainbow Trail in the Sangre de Cristo mountains. Run beneath the watchful eye of these gorgeous, and ominous, mountains. This race is full of festivities, […]
Sawatch Ascent 50K
County Road 321 Nathrop, CO, United StatesBuilt to showcase the stunning beauty of the Sawatch Range, this high alpine and vert-heavy 50K will challenge and inspire you in equal measure! From starting under the shadow of Mount Princeton and the endless miles of buttery, aspen shaded Colorado Trail singletrack, to the awe-inspiring high point of 13,150ft and panoramic views of Colorado’s highest range, you will get to experience the wonders of the Sawatch over 33 miles and 7,000ft of vertical gain.
Boulderthon
Pearl Street Mall 11th and Pearl St, Boulder, CO, United StatesRun one of the fastest-growing, top-rated marathons in the country! After nearly tripling in size and selling out last year, Boulderthon has instituted a new 5,000 runner cap and is […]
Last Call Triathlon
Boyd Lake State Park 3720 N Co Rd 11C, Loveland, CO, United StatesYes! I want ONE MORE adventure!! Escape to the lake! The Last Call Triathlon will be an event you’ll look forward to all season long. Why? Beautiful mountain views, great weather […]
Colorado Coyotes Youth XC Invitational
deKoevend Park 6315 S. University Blvd., Centennial, CO, United StatesJoin us for the annual Colorado Coyotes Cross Country Invitational. This meet is open to all youth runners between the ages of 6-14 years old. The course is a mix […]
Run With the Wolves 5K
West Woods Elementary 16650 W 72nd Ave, Arvada, CO, United StatesJoin us for WWE's Annual 'Run with the Wolves'! Run with the Wolves is a 5k Run and 1k Fun Run/Walk that raises money for West Woods Elementary PTSA. It […]
14er Fest 14K and 5K
The Trailhead 402 E Main St, Buena Vista, CO, United StatesYes…you read that right, 14er Fest is hosting a 14K Race! This is our unique version of a more competitive and challenging race/trail run! You will begin with most of […]
Palmer Lake .5K (Yes “Point” 5)
Palmer Lake Regional Park 199 County Line Road, Palmer Lake, CO, United StatesThe Fastest Growing (and shortest) Running Event in CO is back!!! Awake the Lake will hold its 8th Annual PALMER LAKE .5K (Yes “Point” 5), and it just keeps getting […]
D’Evelyn Dash 5K/2K
D'Evelyn High School 10359 West Nassau Avenue, Denver, CO, United StatesThe D'Evelyn DASH is our BIG Kick Off to the school year and also a key fundraiser for the D'Evelyn Education Foundation (A 501(C) 3 NON-PROFIT.) Proceeds from the DASH […]
Arches Marathon
Behind the Rocks Trailhead Moab, UT, United StatesStarted in 2004 as a fall companion to the popular Canyonlands Half Marathon, Arches Half Marathon has hosted many runners on the road course. In 2021, Arches became a trail […]
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.