| 556 | 20 Dec 25 | Holiday 5K, 10K, 15K, and Half Marathon | 5K/10K/15K/13.1M | Tallahassee, FL |
| 557 | 20 Dec 25 | Hawaii Kai Ultra Run - Kalama Valley | 13.1M/30K/26.2M/50K/100K | Honolulu, HI |
| 558 | 20 Dec 25 | Cousin Eddie's Christmas Run 5K at Jaycee Park in Greensboro, NC | triathlon | Greensboro, NC |
| 559 | 20 Dec 25 | 12ks of Christmas and Reindeer Relay | 12K | Knoxville, TN |
| 560 | 20 Dec 25 | Snowball Run | 1K/5K | San Antonio, TX |
| 561 | 20 Dec 25 | Santa Hustle Orlando | 5K/10K | Orlando, FL |
| 562 | 20 Dec 25 | 12K of Christmas | 6K/12K | Houston, TX |
| 563 | 20 Dec 25 | Hot Chocolate & Eggnog Races | 6K/12K/18K | Columbus, OH |
| 564 | 20 Dec 25 | Longest Night Trail Run | 10K/13.1M/26.2M/50K | Greenville, SC |
| 565 | 20 Dec 25 | Hometown Happenings Santa Run & Walk | 1M/5K | Crown Point, IN |
| 566 | 20 Dec 25 | Pensacola's Bananas Vs. Santas Run | 3M | Pensacola, FL |
| 567 | 20 Dec 25 | GBP Winter Trail Series | 3.5M/7M | Lamy, NM |
| 568 | 20 Dec 25 | Holiday Half Marathon | 5K/10K/13.1M | Goleta, CA |
| 569 | 20 Dec 25 | Houston Holiday Series - Houston's 12K of Christmas, 12K, 6K, Family and Kids' K | Triathlon/12K/6K/Kids' K | Houston, TX |
| 570 | 20 Dec 25 | A Charlie Brown Christmas 5K/10K | 5K/10K | Escondido, CA |