Colorado Race Calendar — All Events
(As of Monday, January 21, 2019) Print Version
For event listing corrections, please contact us.
For event listing corrections, please contact us.| Date | Event | Location |
| Sat., 1/26/19 9:00 AM | Frosty's Frozen Five and Ten 5 Mile Run, 10 Mile Run  Register | Hudson Gardens Littleton, CO |
| Sat., 1/26/19 9:00 AM | Winter Six Pack Series - Westminster 5K 5K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sun., 1/27/19 9:00 AM | Winter Six Pack Series - Highlands Ranch 5K 5K Run Register | Highlands Heritage Regional Park Highlands Ranch, CO |
| Sat., 2/2/19 | Abominable Winter Obstacle Run Run  Register | Camp Como Como, CO |
| Sat., 2/2/19 9:00 AM | Winter Six Pack Series - Westminster 4 Mile & 5K 5K Run, 4 Mile Run Register | Westminster Promenade Terrace Westminster, CO |
| Sun., 2/3/19 9:00 AM | Winter Six Pack Series - Highlands Ranch 4 Mile & 5K 5K Run, 4 Mile Run Register | Highlands Heritage Regional Park Highlands Ranch, CO |
| Sat., 2/9/19 10:00 AM | Arvada Heart Throb 5k 5K Run Register | Memorial Park Arvada, CO |
| Sat., 2/9/19 10:00 AM | Heart Throb Run 5k - Longmont 5K Run Register | Sandstone Ranch Park Longmont, CO |
| Sat., 2/16/19 9:00 AM | Winter Six Pack Series - Westminster 5 Mile & 5K 5K Run, 5 Mile Run Register | Westminster Promenade Terrace Westminster, CO |
| Sun., 2/17/19 9:00 AM | Winter Six Pack Series - Highlands Ranch 5 Mile & 5K 5K Run, 5 Mile Run Register | Highlands Heritage Regional Park Highlands Ranch, CO |
| Sat., 2/23/19 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., 2/23/19 | Racing Rings Around SaturnRegister | Denver, CO |
| Sat., 2/23/19 | Snowman Stampede Half Marathon, 10K and 5K Run Register | Littleton, CO |
| Sat., 3/2/19 | Animal House Run Fur Fun 5K Run Register | New Belgium Brewing Fort Collins, CO |
| Sat., 3/2/19 | DreamCatcher Half Marathon & 10k Run Register | Las Colonias Park Grand Junction, CO |
| Sat., 3/2/19 9:00 AM | Winter Six Pack Series - Westminster 10K & 5K 5K Run, 10K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sun., 3/3/19 9:00 AM | Winter Six Pack Series - Highlands Ranch 5K & 10K 5K Run, 10K Run Register | Highlands Heritage Regional Park Highlands Ranch, CO |
| Sat., 3/16/19 9:00 AM | Erin Go Braugh 7.77k 7.77K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sun., 3/24/19 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 |
| Sun., 3/24/19 | Dust Bowl Series - Day 5 (CO) Run Register | Willow Creek Park Lamar, CO |
| Sun., 4/7/19 | Flying Pig 5K Run Register | Spring Canyon Park Fort Collins, CO |
| Sun., 4/7/19 | XTERRA CMSP 24K/12K/5K Run Register | Cheyenne Mountain State Park Colorado Springs, CO |
| Sat., 4/13/19 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 |
| Sat., 4/13/19 | Flower Power 5k Run Register | Denver Botanic Gardens Denver, CO |
| Sat., 4/13/19 7:00 AM | Trail Running Festival - Saturday 50K Run, Marathon Run | Hawkeye Trailhead Fruita, CO |
| Sun., 4/14/19 8:00 AM | Spring Fling Prairie Dog Half, 10k & 5k Half Marathon Run, 10K Run, 5K Run Register | Apex Center Arvada, CO |
| Sun., 4/14/19 8:30 AM | Trail Running Festival - Sunday Half Marathon Run, 10K Run | Hawkeye Trailhead Fruita, CO |
| Sun., 4/21/19 | Hams and Hamstrings 5K Run Register | Colorado Springs, CO |
| Sat., 4/27/19 | Donut Dash 5K/10K Run Register | Denver, CO |
| Sat., 4/27/19 | Fast and Furriest 5K Run Register | CSU Oval Fort Collins, CO |
| Sat., 4/27/19 | Runs With Scissors Races Run Register | Brighton, CO |
| Sat., 4/27/19 | Twin Silo Sprint 5k Run Register | Fossil Ridge High School Fort Collins, CO |
| Sat., 4/27/19 | Westminster Trail Half, 10K, 5K Run Register | Wayne Carle Middle School Westminster, CO |
| Sat., 5/4/19 | Greenland Trail 50K, 25K, 8M, 4M Run Register | Larkspur, CO |
| Sat., 5/11/19 | Carbon Valley Half Marathon & 5K Run Register | Firestone Regional Sports Complex Firestone, CO |
| Sat., 5/11/19 7:00 AM | Desert RATS MTB Classic 50K Mountain Biking, 100K Mountain Biking | Rabbit Valley Trailhead Fruita, CO |
| Sat., 5/11/19 7:30 AM | Rabbit Valley Half Marathon Half Marathon Run | Rabbit Valley Trailhead Fruita, CO |
| Sun., 5/12/19 8:00 AM | Colorado Women's Classic 10 Mile Run, 10K Run, 5K Run Register | Westminster Promenade Terrace Westminster, CO |
| Thu., 5/16/19 | Experience CO Horseshoe Trail GSSP Hike Run Register | Wulf Recreation Center Evergreen, CO |
| Sat., 5/18/19 | Elk Meadow 10k Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 5/18/19 | Elk Meadow 5k Trail Race Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 5/18/19 | Evergreen Trail Race Series (Package of 5) Run Register | Buchanan Park Recreation Center Evergreen, CO |
| Sat., 6/1/19 | Barr Lake Half Marathon and 10K Run Register | Barr Lake State Park (Nature Center) Brighton, CO |
| Sun., 6/2/19 | 1st Responder Color Run/Walk 5k Run Register | Warrior Kit Pueblo, CO |
| Sun., 6/2/19 | Boulder Rez Half Marathon, 10K & 5K Run 2019 Run Register | Boulder Reservoir Boulder, CO |
| Sun., 6/2/19 6:00 AM | Colorado 13er Half Marathon (13er) Run, 10K Run, 5K Run Register | Home Depot Louisville, CO |
| Sun., 6/2/19 | Ute Mountain Ute Beardance Run Run Register | Towaoc, CO |
| Thu., 6/13/19 5:30 PM | Summer Six Pack Series (Westminster) Series of 6 events 5K Run, 1 Mile Run Register | Westbrook Park Westminster, CO |
| Sat., 6/15/19 7:30 AM | Run For The Sun 5K 5K Run | Confluence SBC Lafayette, CO |
| Sun., 6/16/19 7:00 AM | Father's Day Classic 10k/5k Manly Mile Run, 1 Mile Fun Run/Walk, 5K Run, 10K Run Register | Apex Center Arvada, CO |
| Sat., 6/22/19 7:00 AM | All-Out Summer Breeze 1M, 5K, 10K and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Stenger Soccer Complex Arvada, CO |
| Thu., 7/4/19 7:00 AM | Let Freedom Run 5k/10k 1 Mile Fun Run/Walk, 5K Run, 10K Run Register | Louisville Senior and Recreation Center Louisville, CO |
| Thu., 7/4/19 6:00 AM | Longmont Half and 5k Half Marathon Run, 5K Run Register | Sandstone Ranch Park Longmont, CO |
| Sat., 7/20/19 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., 7/20/19 6:00 AM | Summer Splash Prairie Dog Half, 10k, 5k Half Marathon Run, 10K Run, 5K Run Register | Castle View High School Castle Rock, CO |
| Sat., 8/10/19 7:00 AM | Holy Cow Trail Stampede 5k/10k 10 Mile Run, 10K Run, 5K Run Register | Christopher Fields Westminster, CO |
| Sat., 8/10/19 9:00 AM | Rugged Maniac 5k Obstacle Race 5K Run Register | Thunder Valley Motocross Park Lakewood, CO |
| Sat., 8/24/19 7:00 AM | All-Out Runapalooza 1M, 5K, 10K and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Arvada, CO |
| Sun., 8/25/19 7:30 AM | Erie Half and 5k 5K Run, Half Marathon Run Register | Reliance Park Erie, CO |
| Sat., 9/7/19 7:00 AM | Mountain RATS 50K Run, Marathon Run, Half Marathon Run, 5K Run | Color Coffee Roasters Eagle, CO |
| Sat., 9/14/19 9:00 AM | The Denver 5k 5K Run Register | Sloan Lake Denver, CO |
| Sun., 9/15/19 8:00 AM | Women's Run Series - Denver Half Marathon Run, 10K Run, 5K Run Register | North Area Athletic Complex Arvada, CO |
| Sat., 9/21/19 7:30 AM | All-Out Fallfest 1M, 5K, 10K, Half and Full Marathon Marathon Run, Full Marathon Run, 10K Run, 5K Run | Church Ranch Office Park Westminster, CO |
| Sat., 9/28/19 8:00 AM | The Pioneer Prairie Dog Half, 10k and 5k Half Marathon Run, 10K Run, 5K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sun., 10/6/19 8:00 AM | Costumed K9 Canter 5k and 1 Mile Fun Run 5K Run, 1 Mile Run Register | Westminster City Park Westminster, CO |
| Sat., 10/19/19 7:30 AM | The Great Trailhead Footrace 10 Mile Run, 5K Run Register | Bear Creek Lake Park Morrison, CO |
| Sun., 10/27/19 9:00 AM | All-Out Kooky-Spooky 1M, 5K, 10K and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1M Run | North Area Athletic Complex Golden, CO |
| Sun., 10/27/19 8:00 AM | Westy Half and 5k Half Marathon Run, 5K Run Register | Westminster Promenade Terrace Westminster, CO |
| Sat., 11/23/19 9:00 AM | 10k Turkey Trek, 5k and 2k 10K Run, 5K Run, 2K Run Register | Long Lake Regional Park Arvada, CO |
| Thu., 11/28/19 9:00 AM | Broomfield Turkey Day 5k/10k 10K Run, 5K Run Register | Broomfield County Commons Broomfield, CO |
| Sat., 12/7/19 9:00 AM | All-Out Fa La La 1M, 5K, 10K and Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Westminster City Park Westminster, CO |
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