As December kicks off and holiday runs take over the calendar, the first weekend is especially festive—thanks in part to four different Ugly Sweater–themed races happening across the state. Whether you’re leaning into the seasonal silliness or looking for a more traditional run, the opening days of the month offer plenty of standout options to get your winter miles started.
| Race Name | Date | Location | Distances | Registration |
|---|---|---|---|---|
| Jingle Bell 5K Relay | Dec 6, 2025 | Salem, OR | 5K run, 5K relay | More Information |
| Oregon Brewery Running Series – Backwoods & Deschutes | Dec 6, 2025 | Portland, OR | 5K run | More Information |
| Reindeer Run | Dec 6, 2025 | Saint Helens, OR | 13.1M, 10K, 5K run | More Information |
| Ugly Sweater Fun Run 5K | Dec 6, 2025 | Klamath Falls, OR | 5K run | More Information |
| Ugly Sweater Run | Dec 6, 2025 | Canby, OR | 5K run | More Information |
| Ugly Sweater Run and Walk | Dec 6, 2025 | Sisters, OR | 5K run | More Information |
| Ho Ho 5K | Dec 7, 2025 | Portland, OR | 5K run | More Information |
| Holiday Sweater Stroll | Dec 7, 2025 | Eugene, OR | 5K run | More Information |
