Colorado Race Calendar — All Events
(As of Sunday, January 19, 2020) Print Version
For event listing corrections, please contact us.
For event listing corrections, please contact us.| Date | Event | Location |
| Sun., 1/19/20 8:00 AM | Arctic Prairie Dog Half, 10k and 5k Half Marathon Run, 10K Run, 5K Run  Register | Coal Creek Golf Course Louisville, CO |
| Sat., 1/25/20 10:00 AM | Polar Bear Run & Plunge 5K Run, Plunge Swimming | Horsetooth Reservoir Fort Collins, CO |
| Sun., 1/26/20 10:00 AM | Yeti Chase 5k/10k 5K Run, 10K Run | Bear Creek Lake Park Morrison, CO |
| Sun., 2/9/20 9:00 AM | Ralston Creek Half Marathon & 5k Half Marathon Run, 5K Run | Sartorious Parking Lot Arvada, CO |
| Sun., 2/9/20 10:30 AM | Rocky Mountain Brew Runs - Onesie Brew Run Fun Run/Walk | HalfPenny Brewing Company Centennial, CO |
| Mon., 2/10/20 | The Jungle Book Run  Register | Sheridan Opera House Telluride, CO |
| Sat., 2/15/20 10:00 AM | Heart Throb Run 5k - Arvada 5K Run Register | Memorial Park Arvada, CO |
| Sat., 2/15/20 10:00 AM | Heart Throb Run 5k - Longmont 5K Run Register | Sandstone Ranch Park Longmont, CO |
| Sat., 2/22/20 | Abominable Winter Obstacle Run Run Register | Camp Como Como, CO |
| Sat., 2/22/20 9:00 AM | All-Out Mardi Crawl 1M, 5K, 10K, and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Bear Creek Lake Park Lakewood, CO |
| Sat., 2/22/20 10:00 AM | Chilly Cheeks Winter Duathlon Series #3 (Bike/Run) 10.8 mile bike/4 mile run Duathlon, 4 Mile Run | Cherry Creek State Park - Hobie Hill Lot Aurora, CO |
| Sat., 2/22/20 8:00 AM | Spring Equinox Half Marathon & 4 Mile Half Marathon Run, 4 Mile Run | The Biergarten at Anhueser Busch Fort Collins, CO |
| Sat., 3/14/20 9:00 AM | Erin Go Braugh 7.77k 7.77K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sat., 3/14/20 10:00 AM | Rocky Mountain Brew Runs - St Patrick's Brew Run 5K Run | Blind Faith Brewing Littleton, CO |
| Sun., 3/22/20 9:00 AM | All-Out Spring Fever 1M, 5K, 10K, and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | NAAC Stadium Golden, CO |
| Sat., 3/28/20 8:00 AM | TK'S 5K Walk/Run 5K Run, 5K Walk Register | Promenade Terrace Westminster, CO |
| Sun., 3/29/20 | Dust Bowl Series - Day 5 Run Register | Willow Creek Park Lamar, CO |
| Sat., 4/4/20 8:00 AM | Three Creeks Half Marathon Half Marathon Run | Cherry Creek State Park - Hobie Hill Lot Aurora, CO |
| Sun., 4/5/20 | Flying Pig 5K Run Register | Spring Canyon Park Fort Collins, CO |
| Sun., 4/5/20 | XTERRA CMSP 24K/12K/5K Run Register | Cheyenne Mountain State Park Colorado Springs, CO |
| Sat., 4/11/20 8:00 AM | Loveland Classic 10K Run, 5K Run | The Lakes at Centerra Loveland, CO |
| Sun., 4/12/20 8:00 AM | Spring Fling Prairie Dog Half, 10k and 5k Half Marathon Run, 10K Run, 5K Run Register | Apex Center Arvada, CO |
| Sat., 4/18/20 7:30 AM | All-Out Beat the Heat 1M, 5K, 10K, Half and Full Marathon Marathon Run, Half Marathon Run, 10K Run, 5K Run | Church Ranch Office Park Westminster, CO |
| Sun., 4/19/20 8:30 AM | Horsetooth Half Marathon Half Marathon Run | New Belgium Brewery Fort Collins, CO |
| Sat., 4/25/20 | Run for Hope Run Register | Fossil Creek Park Fort Collins, CO |
| Sat., 4/25/20 | Twin Silo Sprint 5k Run Register | Fossil Ridge High School Fort Collins, CO |
| Sun., 4/26/20 | Fort Collins Run to Remember Run Register | Colorado State University Fort Collins, CO |
| Sat., 5/2/20 | May Day 5K Run/Walk Run Register | Fort Lupton Recreation & Parks Department Fort Lupton, CO |
| Sat., 5/9/20 5:30 AM | Quad Rock 50/25m 50 Mile Run, 25 Mile Run | Lory State Park Fort Collins, CO |
| Sun., 5/10/20 8:00 AM | Colorado Women's Classic 10 Mile Run, 10K Run, 5K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sat., 5/23/20 | Elk Meadow 10k Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 5/23/20 | Elk Meadow 5k Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 5/30/20 | Boulder Rez Half Marathon, 10K & 5K Run Run Register | Boulder Reservoir Boulder, CO |
| Sat., 5/30/20 8:00 AM | Wellderness Weekend Active By Nature 6k and 10k 10K Run, 6K Run | The Ridgeline Hotel Estes Park, CO |
| Sat., 6/6/20 | Bergen Peak Half Marathon Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sun., 6/7/20 6:30 AM | Colorado 13er Half Marathon (13er) Run, 10K Run, 5K Run Register | Home Depot Louisville, CO |
| Thu., 6/11/20 6:30 PM | Six Pack Summer Series Westminster- 1 mile & 5k 5K Run, 1 Mile Run Register | Westbrook Park Westminster, CO |
| Thu., 6/11/20 6:30 PM | Summer Six Pack Series (Westminster) Series of 6 events Run Register | Westbrook Park Westminster, CO |
| Sun., 6/14/20 6:30 AM | Mt Evans Ascent 14.5 Mile Run | Across from Echo Lake Lodge Idaho Springs, CO |
| Sun., 6/21/20 8:00 AM | Father's Day 5k 5K Run, Kids 1 Mile Run | The Shops at Foothills Fort Collins, CO |
| Sun., 6/21/20 7:20 AM | Father's Day Classic 10 Mile Run, 1 Mile Run, 10K Run, 5K Run Register | Apex Center Arvada, CO |
| Thu., 6/25/20 6:30 PM | Six Pack Summer Series Westminster- 2 mile & 5k 5K Run, 2 Mile Run Register | Westbrook Park Westminster, CO |
| Sat., 7/4/20 7:30 AM | FireKracker 5k Citizens 5K Fun Run/Walk, Elite 5K Run, Kids 1 Mile Fun Run/Walk | City Park Fort Collins, CO |
| Sat., 7/4/20 7:00 AM | Let Freedom Run 10K Run, 5K Run Register | Louisville Recreation Center Louisville, CO |
| Sat., 7/4/20 6:00 AM | Longmont Half and 5k Half Marathon Run, 5K Run Register | Sandstone Ranch Park Longmont, CO |
| Thu., 7/9/20 6:30 PM | Six Pack Summer Series Westminster- 5k 5K Run Register | Westbrook Park Westminster, CO |
| Sat., 7/18/20 6:00 AM | Summer Splash Prairie Dog Half Marathon, 10k and 5k Half Marathon Run, 10K Run, 5K Run Register | Castle View High School Castle Rock, CO |
| Sun., 7/19/20 7:00 AM | Evergreen Sprint Triathlon 750m swim/12 mi bike/5k run Triathlon | Evergreen Lake House Evergreen, CO |
| Thu., 7/23/20 6:30 PM | Six Pack Summer Series Westminster- 4 mile & 5k 5K Run, 4 Mile Run Register | Westbrook Park Westminster, CO |
| Sat., 7/25/20 7:00 AM | Fort Collins Human Race Half Marathon Run, 10K Run, 5K Run, Kids 1 Mile Fun Run/Walk | Civic Center Park Fort Collins, CO |
| Sat., 7/25/20 5:30 AM | Never Summer 100k 100K Run | State Forest State Park Walden, CO |
| Thu., 7/30/20 6:30 PM | Six Pack Summer Series Westminster- 5 mile & 5k 5K Run, 5 Mile Run Register | Westbrook Park Westminster, CO |
| Sat., 8/8/20 6:30 AM | Holy Cow Trail Stampede 10 Mile Run, 10K Run, 5K Run Register | Westminster Prominade Terrace Westminster, CO |
| Thu., 8/13/20 6:30 PM | Six Pack Summer Series Westminster- 5k & 10k 5K Run, 10K Run Register | Westbrook Park Westminster, CO |
| Sun., 8/23/20 7:00 AM | Erie Half and 5K Half Marathon Run, 5K Run Register | Reliance Park Erie, CO |
| Sat., 9/12/20 7:00 AM | Littlefoot Sprint Triathlon 750m swim/15k bike/5k run Triathlon | Bear Creek Lake Park Morrison, CO |
| Sun., 9/20/20 6:30 AM | Fall Equinox Marathon, Half Marathon & 5 Mile Marathon Run, Half Marathon Run, 5 Mile Run | Poudre Canyon Fort Collins, CO |
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