Running races in Denver, CO
38 upcoming running races in Denver, CO — 10Ks, half marathons and marathons, with dates and field depth before you enter.
October 2026
November 2026
- Sun, Nov 1RMRR Trophy Series - NovemberDenver5K
- Sun, Nov 1RMRR November 5k/15kDenver5K
- Sun, Nov 1Feet for Justice RunDenver5K10K
- Sat, Nov 7City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)Denver5K10K Competitive
- Sun, Nov 8The Great Candy RunDenver5K Local
- Sun, Nov 8Dragon Dash 5K Run/WalkDenver5K
- Sat, Nov 14Denver Veterans Day RunDenver5K10K Competitive
- Sun, Nov 15Girls on the Run 5KDenver5K
- Sun, Nov 15Girls on the Run Denver Metro 5KDenver5K
- Sat, Nov 21Pumpkin Pie 5K/10KDenver5K10K Competitive
- Thu, Nov 26Harvesting Hope 5kDenver5K
December 2026
- Sat, Dec 5Run with the Buffalo Fun Run: 2.5 Mile DistanceDenver
- Sun, Dec 6Rudolph Ramble 5KDenver5K Competitive
- Sun, Dec 13Jingle Bell Run - DenverDenver5K
- Sun, Dec 132026 Jingle Bell Run - ColoradoDenver5K
- Sat, Dec 19Santa's Dash for CashDenver5K
- Sat, Dec 19Santa's Dash for Ca$hDenver5K Very competitive
- Sun, Dec 20Ugly Sweater 5KDenver5K Local