Colorado Race Calendar — All Events
(As of Tuesday, May 21, 2019) Print Version
For event listing corrections, please contact us.
For event listing corrections, please contact us.| Date | Event | Location |
| Sat., 5/25/19 | Memorial Day 1 Mile, 5K, 10K Run  Register | Denver, CO |
| Sun., 5/26/19 | Memorial weekend Brew run, walk and ruck Run Register | Grist Brewing Highlands Ranch, CO |
| Mon., 5/27/19 8:00 AM | Colorado Run 10K Run | Spring Canyon Park Fort Collins, CO |
| Thu., 5/30/19 | Foster Love 5K & 10K Run Register | Denver, CO |
| Sat., 6/1/19 | Barr Lake Half Marathon and 10K Run Register | Barr Lake State Park (Nature Center) Brighton, CO |
| Sat., 6/1/19 | Run for Habitat 5K Run Register | Fickel Park Berthoud, CO |
| Sat., 6/1/19 9:00 AM | Wellderness Weekend - Active By Nature 6k and 10k 10K Run, 6K Run | The Ridgeline Hotel Estes Park, 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 Run Register | Boulder Reservoir Boulder, CO |
| Sun., 6/2/19 | CO Run/Walk to Fight LE & LD Run Register | Sloan's Lake Park-Denver Denver, CO |
| Sun., 6/2/19 | CO Run/Walk to Fight LE & LD Run Register | Sloan's Lake Park-Denver Denver, 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., 6/6/19 8:00 AM | GoPro Mountain Games 5K, 10K, Mud Run, Dog Run, and Hill Climb Run, Mountain Biking, Road Biking, and Relay Mountain Biking | Vail Mountain Vail, CO |
| Sat., 6/8/19 | Basalt Half Marathon Run Register | Lion's Park Basalt, CO |
| Sat., 6/8/19 | Huajatolla Heritage Festival 5K Run Register | Francisco Fort Capps Building La Veta, CO |
| Sat., 6/8/19 | Rockin For Recovery 5k, 10k, and Kids 1 Mile Run Register | Boardwalk Park Windsor, CO |
| Sun., 6/9/19 | Colorado Rockies Home Run 5K Run Register | Coors Field Denver, CO |
| Wed., 6/12/19 6:00 PM | Summit Trail Running Series Race #1 Morning Thunder Ultra/Trail | Breckenridge, 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 | Eagle Half Marathon and 10k Run Register | Brush Creek Elementary School Eagle, CO |
| Sat., 6/15/19 8:00 AM | Rock N Run 5K 5K Fun Run/Walk Register | Jeffco Stadium Lakewood, CO |
| Sat., 6/15/19 7:30 AM | Run For The Sun 5K 5K Run | Confluence SBC Lafayette, CO |
| Sun., 6/16/19 8:00 AM | Father's Day 5k 5K Run | The Shops at Foothills Fort Collins, 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 | 5k Fun Run Run Register | Snowmass Club Snowmass, 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 |
| Sat., 6/22/19 | Mountain Ridge Trail Half Marathon and 10K Run Register | Mountain Ridge Middle School Highlands Ranch, CO |
| Sat., 6/22/19 8:15 PM | Running Wild 5K and 1-Mile Fun Run 5K Run, 1 Mile Fun Run/Walk | Regis University Denver, CO |
| Sat., 6/22/19 | Summer Solstice 5k and 10k Run Register | Creekside Park Beaver Creek, CO |
| Sun., 6/23/19 | Boulder Sunrise 10K & 5K Run Run Register | Boulder Reservoir Boulder, CO |
| Sun., 6/23/19 | Denver Superhero Heart Run Run Register | Littleton, CO |
| Wed., 6/26/19 6:00 PM | Summit Trail Running Series Race #2 French Gulch 5K and 8K Ultra/Trail | Breckenridge, CO |
| Thu., 7/4/19 7:00 AM | Breckenridge Independence Day 10K 10K Ultra/Trail | Carter Park Breckenridge, CO |
| Thu., 7/4/19 | Breckenridge Independence Day 10K Trail Run Run Register | Carter Park Pavilion Breckenridge, CO |
| Thu., 7/4/19 | FireKracker 4K Run Register | Two Rivers Park Glenwood Springs, CO |
| Thu., 7/4/19 8:00 AM | FireKracker 5k 5K Run, Elite 5K Run | City Park Fort Collins, CO |
| Thu., 7/4/19 | Four on the Fourth 4K Run Register | Avery Brewing Co. Boulder, 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., 7/6/19 | Vail HillClimb Run Register | Vail Mountain Haus - Vail Village Vail, CO |
| Wed., 7/10/19 6:00 PM | Summit Trail Running Series Race #3 Baker's Tank 7K and 11K Ultra/Trail | Breckenridge, CO |
| Fri., 7/12/19 | Roger's River Run 5k Run Register | Rogers Grove Longmont, CO |
| Sat., 7/13/19 | 2019 Aspen Valley Marathon Run Register | Aspen Start Aspen, CO |
| Sat., 7/13/19 | Evergreen Mountain Trail Race Run Register | Alderfer Ranch Evergreen, 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 | Francisco Fort Day 5/10K Run Register | Francisco Fort Capps Building La Veta, CO |
| Sat., 7/20/19 | Run4Hope Competitive 5K Run Register | Monument, CO Monument, 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 |
| Sun., 7/21/19 | Blackhawk Trail Half Marathon and 10k Run Register | Golden Gate Canyon State Park Golden, CO |
| Wed., 7/24/19 6:00 PM | Summit Trail Running Series Race #4 Horseshoe Gulch 6K and 14K Ultra/Trail | Breckenridge, CO |
| Sat., 7/27/19 6:00 AM | Fort Collins Human Race Half Marathon Run, 10K Run, 5K Run | Civic Center Park Fort Collins, CO |
| Sat., 7/27/19 | Run For The Honor 5k Run Register | Weld County Veterans Memorial at Bittersweet Park Greeley, CO |
| Wed., 8/7/19 6:00 PM | Summit Trail Running Series Race #5 Gold Run Trail Head 7K and 11K Ultra/Trail | Breckenridge, 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 |
| Wed., 8/14/19 6:00 PM | Summit Trail Running Series Race #6 Carter Park 8K and 14K Ultra/Trail | Breckenridge, CO |
| Sat., 8/17/19 7:00 AM | Just Peachy Run Races 10K Run, 5K Run, Kids 1K Run | Palisade Riverbend Park Palisade, 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 8:00 AM | Breckenridge Oktoberfest 5K Trail Run 5K Ultra/Trail | Breckenridge, CO |
| Sat., 9/7/19 8:00 AM | Desert's Edge Triathlon Festival Triathlon | Highline Lake State Park Loma, 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 | Falling Leaves 7K 7K Ultra/Trail | Stephen C West Ice Arena Breckenridge, 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 |
| Sun., 9/22/19 6:30 AM | Fall Equinox Half Marathon & 5 Mile Half Marathon Run, 5 Mile Run | Poudre Canyon Fort Collins, 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 |
| Sat., 10/5/19 7:30 AM | Long View Marathon & Half Marathon Marathon Run, Half Marathon Run Register | City Park Fort Collins, 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 |
| Sat., 12/7/19 9:00 AM | Sweaty Sweater 4 Mile Run | The Biergarten at Anhueser Busch Fort Collins, CO |
| Wed., 1/1/20 10:00 AM | Resolute Runner 5k 5K Run | Memorial Park Arvada, CO |
| Sun., 1/5/20 9:00 AM | Highlands Ranch Winter Six Pack Series - Kick Off, first event 5K Run, 1 Mile Run Register | Highlands Heritage Regional Park Highlands Ranch, CO |
| Sat., 1/11/20 9:00 AM | All-Out Polar Prowl 1M, 5K, 10K & Half Marathon Half Marathon Run, 10K Run, 5K Run, 1 Mile Run | Stenger Soccer Complex Arvada, CO |
| 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., 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 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., 3/14/20 9:00 AM | Erin Go Braugh 7.77k 7.77K Run Register | Westminster Promenade Terrace Westminster, 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 |
| 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 |
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