Event details subject to change. Please confirm all information via event website.
Dead Horse Ultra
There's a reason this is one of the biggest trail running events in the country! Moab in November is a trail runner's dream. Perfect weather and world class single track […]
Louisville Trail Race
The Annual Louisville Trail Half Marathon, 10K, and 5K returns to the front range, beloved by runners for its scenic trails and welcoming atmosphere. The course is mostly flat with […]
Veterans Day Run 5K/10K
The 18th annual Denver Veterans Day Run and 13th annual Denver Veterans Day Parade & Festival, in partnership with the City of Denver, will take place on Saturday, Nov. 14 […]
CMRA Veterans Run 6.6M
This course will be a trail run. The route consists of a large loop including a smaller loop around a lake. Most is on single track with some crushed gravel […]
Longmont Turkey Trot
Gobble, Gobble, Gobble, GO! Sign up to run one of the most scenic, fastest, 10k or 2 mile courses around! 10K course also has a Wheelchair Division. Don’t just run […]
Colorado State Youth XC Championships
Hosted by the Colorado Coyotes & Elevated Distance Training Open to all athletes ages 6–14 Join us for an exciting day of racing at one of Colorado’s premier youth cross […]
PPRR Fall Series IV
Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United StatesThe Fall Series consists of four trail races in four different city/county parks. The trails range from well-maintained to rocky with tree roots. Each event is a unique challenge at […]
Colorado Cold Rush Trail Race
Colorado Cold Rush Ultra is the "coolest" winter running event! Run along historic High Drive and through the amazing tunnels of the Colorado gold rush. Although there is always a possibility […]
10K Turkey Trek
This is not your run of the mill 'Turkey Trot.' This is the 10k Turkey TREK! Are you up for the challenge? Run a steady uphill climb to the summit […]
Feed Your Soul Turkey Trot
Many children anticipate moments of joy and family connection as the weekend approaches. But for others, it's a time of uncertainty and hunger. Feed Your Soul’s Turkey Trot 5K isn't […]
Pumpkin Pie 5K/10K
The Pumpkin Pie 5K/10K is Denver’s race that ends with a huge slice of pie. Start your holiday season off right with this family friendly run. Runners and walkers can […]
Turkey Day 5K
Parker Recreation Center 17301 E. Lincoln Ave., Parker, CO, United StatesPart of the Parker Parks and Recreation Run Series, this fun community event is not timed, participants must start within 15 minutes of posted start time. Registrants receive commemorative fleece […]
Huffin’ for Stuffin’
Come join us on Thanksgiving morning for a fun 2-mile run! This will be a cross country style run. The event will be held at Mehaffey Park. We will have […]
Gobble Wobble
The Gobble Wobble Run is a family friendly 5K that has been going strong since 2010! We welcome all ages and abilities. Our race takes place at beautiful Clement Park […]
Mile High United Way Turkey Trot
Mile High United Way enjoyed celebrating the 53rd Mile High United Way Turkey Trot in Washington Park with all of you – the runners and volunteers who help make this Denver’s Greatest […]
Broomfield Turkey Day 5K
Welcoming all runners, walkers, and pumpkin pie eaters alike! This fall event is fun for the whole family. Youth and team pricing is available!
Louisville Turkey Trot
The Avista Adventist Hospital Louisville Turkey Trot 5K was created as a means to collect food and donations for our local food bank. As the event grew, the Louisville Turkey Trot became […]
Pelican Lakes Turkey Trot
The annual Pelican Lakes Turkey Trot is back, brought to you by run.Windsor! Run or Walk this family friendly 5K, benefitting Athletes In Tandem and the Weld Food Bank.
BVSC Turkey Trot
Come & shake your tail feather with us this Thanksgiving with a fun, family-friendly 5k around BV. Runners will enjoy a mostly-flat course with well-maintained trails, offering great views of […]
Christmas Mountain Run
Celebrate Thanksgiving weekend and the lighting of Christmas Mountain in Salida with a 5 mile and 1 mile race! The 5 mile course begins and ends by Riverside Park in […]
Trot & Tap 5K
Colorado Tap House - Arvada 14982 West 69th Avenue, Arvada, CO, United StatesJoin us for the Trot & Tap 5k @ Colorado Tap House on November 28, 2026, for a 5k-ish, fun run event that starts and ends at this awesome taproom […]
Four Corners Quad Keyah
SCHEDULE OF RACES – A marathon and half marathon will be completed each day, Thursday through Sunday. All races begin at 8:30 a.m., except for Sunday (New Mexico), which starts at […]
Sawmill Trail Runs
Weaving and rambling across the various rolling hills of Staunton State Park, the Sawmill Trail Runs serve as the ultimate test for December running. Runners will enjoy a single loop […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]
All-Out Fa La La
Dash through the snow (or not snow) at Fa La La! Along with its Endless Series sidekick in July… Dog Days, the majesty of our breathtaking Flatirons as a backdrop will inspire […]
Toy Drop
Each race will run through a part of Loveland we haven’t highlighted until this race. Bring a new, unwrapped toy to the start line and be ready for the “drop”. […]
Candy Cane Course 5K
Join us for the annual Candy Cane Course 5k/12k! A fun, Christmas-themed event that is perfect for the whole family. The fun includes - Great Swag - designer shirt & […]
Onesie Dash
Enjoy a scenic little dash in and around Red Feather Lakes, Colorado! Wear your favorite onesie (and layer it underneath if you need extra warmth!). Start at The Tavern at […]
Candy Cane Course 5K
Join us for the annual Candy Cane Course 5k/12k! A fun, Christmas-themed event that is perfect for the whole family. The fun includes - Great Swag - designer shirt & […]
RMRR Wash Park 4.5M
Washington Park - Denver 701 S Franklin St, Denver, 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 […]
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.