Colorado Race Calendar — All Events
(As of Wednesday, June 16, 2021) Print Version
For event listing corrections, please contact us.
For event listing corrections, please contact us.
To all participants and volunteers for upcoming events: Due to the rapidly evolving situation related to COVID-19, date changes and cancellations are being announced throughout the country. Please check directly with the race's website for the most up-to-date and reliable information regarding the event's status.
| Date | Event | Location |
| Sat., 6/19/21 | Colorado Springs Spartan Trail Run  Register | Pike's Peak International Raceway Fountain, CO |
| Sat., 6/19/21 | Rockin' For Hope 5K & Kid's 1 Mile Run Register | Boardwalk Park Windsor, CO |
| Sun., 6/20/21 7:20 AM | Father's Day Classic 1 Mile, 5k, 10k, & 10 Mile 10 Mile Run, 1 Mile Run, 5K/10K Run  Register | Apex Recreation Center Arvada, CO |
| Sat., 6/26/21 7:00 AM | All-Out Summer Breeze 1M, 5K, 10K & Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Stenger Soccer Complex Arvada, CO |
| Sat., 6/26/21 | Boulder Sunrise Run Register | Boulder Reservoir Boulder, CO |
| Sun., 7/4/21 7:00 AM | I Can 5k with DejaVu 10k & 15k 5K Run, 10K Run, 15K Run Register | Riverdale Regional Park Brighton, CO |
| Sun., 7/4/21 7:45 AM | Let Freedom Run 5k/10k 10K Run, 5K Run Register | Louisville Recreation Center Louisville, CO |
| Sun., 7/4/21 8:00 AM | Live Free ROCK-IT Half Marathon Relay & 5K Half Marathon Relay Run, 5K Run | Douglas County Events Center Castle Rock, CO |
| Sun., 7/4/21 6:00 AM | Longmont Half & 5k Half Marathon Run, 5K Run Register | Sandstone Ranch Park Longmont, CO |
| Sat., 7/10/21 | Elk Meadow 10k Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 7/10/21 | Elk Meadow 5k Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 7/17/21 7:00 AM | All-Out Dog Days 1M, 5K, 10K, and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Westminster City Park Westminster, CO |
| Sat., 7/17/21 6:30 AM | Summer Splash Prairie Dog Half, 10k, & 5k Half Marathon Run, 10K Run, 5K Run Register | Castle View High School Castle Rock, CO |
| Sat., 7/17/21 | XTERRA Beaver Creek Run Register | Beaver Creek Mountain Avon, CO |
| Sat., 7/24/21 6:00 AM | Box Canyon Trail Races 10 Mile Ultra/Trail, 30K Ultra/Trail | Oak St Plaza Telluride, CO |
| Sat., 7/24/21 | Tough Mudder Colorado Run Register | Sterling Ranch Littleton, CO |
| Fri., 7/30/21 5:30 AM | Never Summer 100k/60k 60K Run, 100K Run | State Forest State Park Gould, CO |
| Tue., 8/10/21 6:00 PM | Lory Summer Trail Series Valley 5K - Aug 10 Run, Hilly 10K - Aug 17 Run, Hilly 5K - Aug 24 Run, Valley 12K - Aug 31 Run | Lory State Park Fort Collins, CO |
| Sat., 8/14/21 | Boulder Rez Marathon Run Register | Boulder Reservoir Boulder, CO |
| Sat., 8/14/21 | XTERRA Indian Peaks Run Register | Eldora Mountain Resort Nederland, CO |
| Sat., 8/21/21 7:00 AM | All-Out Runapalooza 1M, 5K, 10K, and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Apex Center Arvada, CO |
| Sat., 8/28/21 | Boulder Sunset Run Register | Boulder Reservoir Boulder, CO |
| Sat., 8/28/21 | Kokopelli Classic Trail Runs Run Register | Kokopelli Trail Start Loma, CO |
| Sat., 8/28/21 7:00 AM | Staunton Rocks! Marathon & Half Half Marathon Run | Staunton State Park Conifer, CO |
| Sun., 8/29/21 | Colorado State Fair Stampede 5K Run and 2-Mile Walk Run Register | Colorado State Fair Pueblo, CO |
| Sat., 9/4/21 | Creede Mountain Run Run Register | Behind Basham Park Creede, CO |
| Sat., 9/11/21 7:00 AM | Black Squirrel Half Marathon Half Marathon (13.3 Mile) Run | Lory State Park Fort Collins, CO |
| Sat., 9/11/21 | Black Squirrel Half Marathon Run Register | Lory State Park Bellvue, CO |
| Sat., 9/11/21 | Breckenridge Falling Leaves 7K Run Run Register | Breckenridge Recreation Center Breckenridge, CO |
| Sat., 9/11/21 | Breckenridge Oktoberfest 5K Trail Run Run Register | Breckenridge Recreation Center Breckenridge, CO |
| Sat., 9/11/21 | Dash 4 Hope 5K Run Register | Richter Orthodontics Greeley, CO |
| Sun., 9/12/21 11:00 AM | Denver Superhero Heart Run 5K Run Register | Littleton, CO |
| Mon., 9/13/21 | Center of the Nation Series - Day 1 (CO) Run Register | Pioneer Park Sterling, CO |
| Sat., 9/18/21 7:30 AM | All-Out Fallfest 1M, 5K, 10K, Half and Full Marathon Marathon Run, Half Marathon Run, 10K Run, 5K Run | Church Ranch Office Park Westminster, CO |
| Sun., 9/19/21 | Spanish Peaks Half Marathon, Half Marathon Relay, and Fun Run Run Register | La Veta Town Park La Veta, CO |
| Sat., 9/25/21 | Breckenridge Oktoberfest 5K Trail Run Run Register | Breckenridge Recreation Center Breckenridge, CO |
| Sat., 10/2/21 7:00 AM | Deep Creek Trail Half Marathon Half Marathon Ultra/Trail | Telluride Airport Telluride, CO |
| Sun., 10/3/21 | Adult-Glow in the Dark Family Fun Run Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sun., 10/3/21 | Family-Glow in the Dark Family Fun Run Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sun., 10/3/21 7:30 AM | Long View Marathon & Half Marathon Run, Half Marathon Run Register | Foote Lagoon Amphitheatre Fort Collins, CO |
| Sun., 10/3/21 | Long View Marathon & Half Run Register | Foote Lagoon Amphitheatre Loveland, CO |
| Sat., 10/16/21 | Blue Sky Marathon Run Register | Horsetooth Mountain Park Fort Collins, CO |
| Sat., 10/16/21 7:00 AM | Blue Sky Marathon Marathon (26.7 Mile) Run | Blue Sky Trailhead Fort Collins, CO |
| Sat., 10/30/21 | Panda Waddle 5k Run Register | Longs Family Park Grand Junction, CO |
| Sun., 10/31/21 9:00 AM | All-Out Kooky-Spooky 1M, 5K, 10K & Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | North Area Athletic Complex Golden, CO |
| Sun., 11/14/21 8:30 AM | Horsetooth Half Marathon Half Marathon Run Register | New Belgium Brewery Fort Collins, CO |
| Fri., 12/31/21 6:00 PM | Resolution Run 5K 5K Run | Edora Pool Ice Center (EPIC) Fort Collins, CO |
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