Denver–Boulder Holiday Runs 2026 — Jingle Bell 5Ks & Santa Races

Bells on the shoelaces, cocoa at the finish: Denver–Boulder's December calendar has 13 holiday-season races for 2026 — jingle bell runs, Santa dashes, and ugly-sweater 5Ks. They're the most beginner-friendly races of the year, built for families and first-timers. The next one up is Sawmill Trail Runs on Sat, Dec 5, 2026. Every listing links straight to registration.

• Sat, Dec 5, 2026 Sawmill Trail Runs 12102 S Elk Creek Rd · Pine, CO · From $60 Trail Run Trail
• Sat, Dec 5, 2026 All-Out Fa La La 10170 Church Ranch Way · Westminster, CO · From $35 5K10KHalf Marathon Road
• Sat, Dec 5, 2026 Toy Drop 1480 Cascade Ave · Loveland, CO · From $30 5K10K Road
• Sun, Dec 6, 2026 Candy Cane Course - Denver Westfield Village Park · Westminster, CO · From $22 5K10K Road
• Sat, Dec 12, 2026 Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA Piney Creek Hollow Park (Course Map will be emailed) · Centennial, CO · From $30 5K10KHalf Marathon Road
• Sat, Dec 12, 2026 Sunrise Marathon 5K/10K/13.1 DENVER/AURORA Piney Creek Hollow Park (Course Map will be emailed) · Centennial, CO · From $30 5K10KHalf MarathonMarathon Road
• Sat, Dec 12, 2026 Santa Shuffle 5K 8116 W Bowles Ave · Littleton, CO · From $35 5K Road
• Sat, Dec 12, 2026 WinterFest 5k & Fun Run 3498 E 112th Ave · Thornton, CO · From $12 5K Road
• Sun, Dec 13, 2026 2026 Jingle Bell Run - Colorado 701 S Franklin St · Denver, CO · From $25 5K Road
• Sat, Dec 19, 2026 Santa's Dash for Ca$h Utica Street & West 17th Ave · Denver, CO · From $29 5K Road
• Sun, Dec 20, 2026 Ugly Sweater 5K Washington Park · Denver, CO · From $30 5K Road
• Sat, Dec 26, 2026 A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA Piney Creek Hollow Park (Course Map will be emailed) · Centennial, CO · From $30 5K10KHalf Marathon Road
• Sat, Dec 26, 2026 New Year's Run 5K/10K/13.1 DENVER/AURORA Piney Creek Hollow Park (Course Map will be emailed) · Centennial, CO · From $30 5K10KHalf Marathon Road

Race-day tip

December races are the best gateway race to give someone: register a friend, then train together through the cold weeks — accountability is the real gift.

Looking beyond december holiday? See every upcoming Denver–Boulder race →