Event details subject to change. Please confirm all information via event website.
Nun Run Half Marathon
Do you support life at all stages from conception until natural death? Do you believe every human being should be treated with the utmost dignity and the respect they deserve? Do you want to see a Culture of Life spread in our country and our world? Then this is the race for you. The Sisters […]
RMRR 5K/10K
Riverwalk Ballfields 9830 Riverdale Rd, Thornton, CO, United StatesEveryone – slow, fast, or in-between – can win at RMRR Trophy Series races. With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great goal to shoot for whatever your speed. Just show up an hour before the start and we’ll get you ready for your race. It’s an […]
Run Rabbit Run Ultra
The Run Rabbit Run courses are very much like life, in that there are many, many little and not so little ups and downs in between the obvious highs and lows. Be prepared. The 50 mile race starts bright and early at 6 AM at the Steamboat Springs ski area (elevation, 6,900 feet) on Saturday, […]
Severance Glow 5K
Welcome to Severance's Severance Days 5K presented by Severance Middle School the Town of Severance with proceeds benefitting Severance Middle School. Held at the Severance Community Park. Severance Days 5K looks to tie the bow on an amazing weekend for an amazing community. Additional donations will go to Yellow Ribbon, a non-profit, for suicide awareness […]
Pikes Peak Ascent
The Pikes Peak Marathon, founded in 1956, is the oldest continually held marathon in the United States, taking runners from Manitou Springs, Colorado, to the summit of Pikes Peak at 14,115 feet, and back down for a total of 26.2 grueling mountain miles. It and its sister race, the Pikes Peak Ascent, each climb about […]
Superhero 5K/10K
A beloved community tradition, the Superhero Run invites runners, walkers, and families of all ages to suit up in their favorite superhero costumes and race for a cause. With a 5K, 10K, 1-Mile and a free Kids Fun Run, there’s a race for everyone whether you’re a seasoned runner or just looking for a fun way […]
Run the Rockies Half Marathon
The Run the Rockies Road 10k and Half Marathon will feature the traditional Run the Rockies Road Race course with runners starting near Copper Mountain; runners will follow the paved recreation path through the Ten Mile Canyon. The 10k course is 100% downhill and the half marathon course is 75% downhill. This course will showcase […]
All-Out Fallfest
One of Colorado's favorite trails meets one of its most glorious parks at our 9th annual Fallfest 5K, 10K and half marathon! As the courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view. A course that's not too hilly & […]
Battle by the Brook
The 9th Annual Battle by the Brook Adventure Race will be held on September 19th, 2026 at Camp Shady Brook, in Deckers, CO. This is our favorite fundraiser! With your adventurous nature and philanthropist's heart, registering for this event allows more kids to attend camp at YMCA Camp Shady Brook. Adventures for everyone! Each team […]
Blisters & Brews 5K
Blisters & Brews is a 5k Fundraiser Race on the morning of Saturday, September 14, giving Festival attendees the opportunity to exercise before the Festival. Presented by the Telluride Blues Society, the 5k Race will raise money for the Telluride Adaptive Sports Program in remembrance of dear festival friend Felix Snow. Through registration fees, donations […]
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.