- When are Christmas races in Colorado in 2026?
- Most run on weekends before Christmas Day. The busiest days are Saturday, December 12 (5), Saturday, December 5 (2), and Friday, November 27 (1).
- How much does a Christmas race cost in Colorado?
- Most charge between $21 and $32 for their current entry tier, with a typical fee of $25 before processing fees. 2 are free to enter. Many raise prices as Christmas gets closer.
- What distances do Christmas races offer?
- Of the 13 races, 11 include a 5K, 6 a 10K, 4 a one-mile run, 7 a kids race, and 1 a half marathon. Walkers are welcome at most of them.
- What is the biggest Christmas race in Colorado?
- Ugly Sweater 5K in Denver, with 1,527 finishers across its events in 2025.
- What is the weather like for Christmas races in Colorado?
- Based on five years of weather at these races, Christmas week typically runs from about 25°F at dawn to 48°F in the afternoon, with rain on about 7 percent of days. Morning starts are usually close to the low.
- Do Christmas races sell out?
- Most do not, but the largest cap their fields, so check each race's registration page before Christmas week.