Find Races Near You
Easily search our entire data base of Races.
- Entering some or all of the information in the "Advance Race Search" form below.
- Select the "Search" button.
- The details of your search will be displayed in the table below the form, and will be listed by calendar date.
(Note: You can also filter the displayed listing using the table headers.)
Races
| Type | Event Name | Register | Date/Time | Distance | City | State |
|---|---|---|---|---|---|---|
| Run (Only) | Resolution Run 5K | Dec 31 2025 / Wednesday 06:00 PM | 5K | Fort Collins | CO | |
| Run (Only) | Colorado 24 Hour Run | Nov 01 2025 / Saturday 08:00 AM | 24 Hour 1 Miles, 12 Hour, 6 Hour, 24 Hour Relay, 12 Hour Relay 1 Miles, 6 Hour Relay | Fort Collins | CO | |
| Run (Only) | Blue Sky Marathon & Half | Oct 18 2025 / Saturday 07:00 AM | Half Marathon, Marathon | Fort Collins | CO | |
| Run (Only) | Red Feather Trail Jamboree | Sep 26 2025 / Friday 06:00 AM | Half Marathon, 50K 50K, 50mi 50K | Red Feather Lakes | CO | |
| Run/Walk | Denver Rocks Run 5K/10K | Sep 07 2025 / Sunday 08:00 AM | 5K, 10K | Denver | CO | |
| Run (Only) | Black Squirrel Half Marathon | Sep 06 2025 / Saturday 07:00 AM | Half Marathon | Fort Collins | CO | |
| Run (Only) | Staunton Rocks! Marathon & Half | Aug 23 2025 / Saturday 07:00 AM | Half Marathon, Marathon | Pine | CO | |
| Run (Only) | Lory Summer Trail Series | Aug 05 2025 / Tuesday 06:00 PM | 5K, 5K, 10K, 12K 12K | Fort Collins | CO | |
| Run (Only) | Quad Rock 50/25mi Trail Race | May 10 2025 / Saturday 05:30 AM | 50mi 50 Miles, 25mi 25 Miles | Fort Collins | CO | |
| Run (Only) | Horsetooth Half Marathon | Apr 13 2025 / Sunday 08:00 AM | Half Marathon | Fort Collins | CO | |
| Run/Walk | Colorado Springs Marathon | Sep 28 2024 / Saturday 07:00 AM | Kids Dash, 5K, Half Marathon, Marathon | Colorado Springs | CO | |
| Run/Walk | Run Like the Wind | Aug 31 2024 / Saturday 09:00 AM | 5K | Allenspark | CO | |
| MudRun | Rugged Maniac 5k Obstacle Race - Denver | Aug 03 2024 / Saturday 08:30 AM | 5K | Morrison | CO | |
| MudRun | Tough Mudder Colorado 2024 - 5K, 15K, Infinity (8 hrs) | Jul 20 2024 / Saturday 07:45 AM | 5K | Fort Carson | CO | |
| Run/Walk | Hope House 5K & Fun Run | May 04 2024 / Saturday 09:00 AM | Kids Dash, 1 Mile, 5K | Arvada | CO | |
| Run (Only) | Rugged Maniac 5k Obstacle Race - Denver | Aug 07 2021 / Saturday 07:00 PM | 5K | Lakewood | CO | |
| Run/Walk | PurpleStride Colorado - The Walk to End Pancreatic Cancer | Jun 27 2021 / Sunday 08:00 AM | 5K | Denver | CO | |
| Run/Walk | 5th Annual Too Hot to Trot 5k | Jun 21 2020 / Sunday 06:00 AM | 5K | Anywhere | CO | |
| Run/Walk | Hams and Hamstrings® 5K | Apr 12 2020 / Sunday 08:00 AM | 5K | Colorado Springs | CO | |
| Run/Walk | TwoCor Cheap 5K | Sep 01 2019 / Sunday 08:45 AM | 5K | Colorado Springs | CO | |
| Run/Walk | Flea Market Mile | Sep 01 2019 / Sunday 08:30 AM | 1 Mile | Colorado Springs | CO | |
| Adventure Race | Rugged Maniac 5k Obstacle Race, Denver - August 2019 | Aug 10 2019 / Saturday 09:00 AM | 5K | Morrison | CO | |
| Run/Walk | Winter Park Half Marathon & 5K | Aug 03 2019 / Saturday 07:00 PM | 5K, Half Marathon | Winter Park | CO | |
| Run/Walk | Spartan Race Fort Carson - Colorado Springs Super and Sprint 2019 | Jul 13 2019 / Saturday 07:30 AM | 5K | Fort Carson | CO | |
| Run/Walk | PurpleStride Colorado 2019 - The Walk to Cure Pancreatic Cancer | Jun 23 2019 / Sunday 08:10 AM | 5K | Denver | CO | |
| Run/Walk | Run For The Sun 5K | Jun 15 2019 / Saturday 07:30 AM | 5K | Lafayette | CO | |
| Run/Walk | PurpleStride Colorado - The Walk to End Pancreatic Cancer | Jun 24 2018 / Sunday 08:00 AM | 1 Mile, 5K | Washington Park, Denver | CO | |
| Run/Walk | Running Wild 5K and 1-Mile Fun Run | Jun 23 2018 / Saturday 08:15 AM | 1 Mile, 5K | Denver | CO | |
| Run/Walk | Too Hot to Trot 5K | Jun 17 2018 / Sunday 09:00 AM | 5K | Greeley | CO | |
| Run/Walk | David Todd Richardson | Jun 09 2018 / Saturday 08:00 AM | 5K | Elizabeth | CO | |
| Run/Walk | Walk MS: Denver & 5k Run | May 05 2018 / Saturday 08:00 AM | 5K | Denver | CO | |
| Run/Walk | Jingle Bell Run/Walk | Dec 10 2017 / Sunday 10:00 AM | Kids Dash, 5K | Denver | CO | |
| Run/Walk | Gildan Esprit de She Westminster 5K/10K | Sep 09 2017 / Saturday 09:00 AM | 5K, 10K | Westminster | CO | |
| Run (Only) | Reebok Ragnar Colorado | Aug 25 2017 / Friday 05:00 AM | Relay 200 Miles | Copper Mountain Ski Resort | CO | |
| Run (Only) | Silverton Alpine Marathon and 50K | Aug 19 2017 / Saturday 07:00 AM | Marathon, Trail 50K | Silverton | CO | |
| Run (Only) | Kendall Mountain Run | Jul 22 2017 / Saturday 08:00 AM | Trail 11K, Trail 12K | Silverton | CO | |
| Run/Walk | Virtual Walk/Run-Velocity | Jun 18 2017 / Sunday | 1 Mile, 5K, Kids Half Mile 0.5 Miles | Anywhere | CO | |
| Run/Walk | Run Wild 5K Fund Run | Jun 10 2017 / Saturday 08:30 AM | 5K | Elizabeth | CO | |
| Run (Only) | Ragnar Trail Snowmass-CO, Presented by Salomon | Jun 09 2017 / Friday 09:00 AM | Relay 120 Miles | Snowmass Village | CO | |
| Run/Walk | Comeback Trail 5K | May 21 2017 / Sunday 09:00 AM | 5K | Littleton | CO | |
| Run/Walk | Mother's Day 5k & Brunch | May 14 2017 / Sunday 09:30 AM | Kids Dash, 5K | Denver | CO | |
| Run/Walk | Partners Mentoring Youth's Fiesta 5k | May 06 2017 / Saturday 08:00 AM | 5K | Greeley | CO | |
| Run/Walk | Run MS 5K at Denver Walk MS | May 06 2017 / Saturday 08:00 AM | 5K | Denver | CO | |
| Run/Walk | Warrior Dog Dash 5K | Mar 11 2017 / Saturday 09:00 AM | 5K | Fort Carson | CO | |
| Run/Walk | Free to Breathe 5K Run/Walk | Oct 02 2016 / Sunday 07:30 AM | 5K | Denver | CO | |
| Run/Walk | Dash & Deals 5k | Jun 18 2016 / Saturday 07:00 AM | 5K | Castle Rock | CO | |
| Run (Only) | Spirit Trail Half Marathon and 8K | May 29 2016 / Sunday 08:15 AM | Half Marathon, 8K | Buena Vista | CO | |
| Run/Walk | SAGE Spring Run-Off | May 28 2016 / Saturday 09:00 AM | Kids Dash, Trail Run 5 Miles, Trail Run 10 Miles | Wolcott | CO | |
| Run/Walk | Mother's Day 5k & Brunch | May 08 2016 / Sunday 10:00 AM | Kids Dash, 5K | City Park | CO | |
| Run/Walk | Powder Keg Brewing Cross-Country Race #3 | Nov 08 2015 / Sunday 09:00 AM | Cross-Country Race 1K | Lakewood | CO |
NOTE: All race details, including dates, times, locations, etc., are the responsibility of the event organizers and not OnlineRaceCalendar.com. Please consult with the event organizers to confirm that information is correct.
