Outdoor events near Castle Rock, Colorado
32 outdoor events are on within 25 miles of Castle Rock over the next three months: 30 races and 2 group outings and classes. 5 are this weekend. A typical October day in Castle Rock reaches about 65°F and drops to 35°F, with rain or snow about 1 day in 7 (NOAA 30-year average).
- 32 upcoming
- 5 this weekend
- October: 17
- November: 8
- December: 7
- half marathon · 5K · 10KCoffee Lovers Run 5K/10K/13.1 DENVER/AURORASat, Oct 10 · 7:30 AM · +1 more dateCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KCookie Run 5K/10K/13.1 DENVER/AURORASat, Oct 10 · 7:30 AMCentennial · 17 mi from Castle Rock
- 5KKipling Villas 5K - 2026Sat, Oct 10 · 9:00 AMLittleton · 21 mi from Castle Rock
- 5KColorado Dup15q Believe Walk and 5k Run!Sat, Oct 10 · 9:15 AMLittleton · 20 mi from Castle Rock
- 5K · 10K · 1 mileYour Story Isn't Over 5k/10k/Kids 1-MileSun, Oct 11 · 8:00 AMLittleton · 17 mi from Castle Rock
- RaceIndian Creek Trail RunsSat, Oct 17 · 6:00 AMSedalia · 12 mi from Castle Rock
- Walk or hikeWitch PaddleSat, Oct 17 · 7:00 AMLittleton · 15 mi from Castle Rock
- 5K · 13KRunning Scared 5K/13K - DenverSat, Oct 17 · 8:30 AMPlatte River Bar & Grill, Littleton · 17 mi from Castle Rock
- RaceBeti Bike BashSat, Oct 17 · 10:00 AMElbert · 24 mi from Castle Rock
Nearby · halseike, CC BY 2.0 (via Flickr)5KThe Palmer Lake .5K (Yes "Point" 5)Sun, Oct 18 · 10:30 AMPalmer Lake · 18 mi from Castle Rock- 5KZedikiah Scholarship 5KSat, Oct 24 · 8:00 AMDenver · 24 mi from Castle Rock
- Walk or hikeLIVE OUT LOUD Memorial RideSat, Oct 24 · 10:00 AMLarkspur · 13 mi from Castle Rock
- 5KYMCA Creepy Crawl 5K presented by Corwin HondaSat, Oct 24 · 10:00 AMSanta Fe Trailhead, Palmer Lake · 19 mi from Castle Rock
- 5KHoofin' It Through the Hollows 5KSat, Oct 24 · 5:30 PMCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KPB&J Fuel Run 5K/10K/13.1 DENVER/AURORASat, Oct 31 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KHalloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORASat, Oct 31 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathonHRCA Backcountry Wilderness Half MarathonSat, Oct 31 · 9:00 AMLone Tree · 12 mi from Castle Rock
- RaceTurkey Trails- DenverSat, Nov 7 · 8:00 AMChatfield State Park, Littleton · 19 mi from Castle Rock
- half marathon · 5K · 10KVeterans Day Freedom Run 5K/10K/13.1 DENVER/AURORASat, Nov 14 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KRun for Mental Health 5K/10K/13.1 DENVER/AURORASat, Nov 14 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KSalute to Veterans 5K/10K/Half Marathon - DenverSat, Nov 14 · 8:00 AMAurora · 19 mi from Castle Rock
- 5KParker Parks and Recreation Turkey Day 5K FUN Run/WalkThu, Nov 26 · 8:00 AMParker · 11 mi from Castle Rock
- RaceGobble Wobble Run 2026Thu, Nov 26 · 8:30 AMLittleton · 20 mi from Castle Rock
- 5KTurCreek Trot 5KThu, Nov 26 · 8:30 AMVillage Greens Park, Greenwood Village · 16 mi from Castle Rock
- half marathon · 5K · 10KThanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORASat, Nov 28 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathon · marathon · 5K · 10KSunrise Marathon 5K/10K/13.1 DENVER/AURORASat, Dec 12 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KRun for Breast Cancer 5K/10K/13.1 DENVER/AURORASat, Dec 12 · 7:30 AMCentennial · 17 mi from Castle Rock
- 5KSanta Shuffle 5KSat, Dec 12 · 8:30 AMLittleton · 20 mi from Castle Rock
- Race2026 Jingle Bell Run - ColoradoSun, Dec 13 · 8:00 AMDenver · 23 mi from Castle Rock
- 5KUgly Sweater 5KSun, Dec 20 · 9:00 AMWashington Park, Denver · 24 mi from Castle Rock
- half marathon · 5K · 10KA Merry Christmas Run 5K/10K/13.1 DENVER/AURORASat, Dec 26 · 7:30 AMCentennial · 17 mi from Castle Rock
- half marathon · 5K · 10KNew Year's Run 5K/10K/13.1 DENVER/AURORASat, Dec 26 · 7:30 AMCentennial · 17 mi from Castle Rock
Photos marked “Nearby” show a place close to the event, not the event itself.
More in Colorado
Schedules come from park agencies, race sites and organizers' own calendars, checked daily. Events can change, so check the event page before you go. Typical weather is the NOAA 1991–2020 average.
