| 916 | 20 Dec 25 | Santa's Reindeer Run - 5K, 10K, and Half Marathon | 5K/10K/13.1M | Huntington Beach, CA |
| 917 | 20 Dec 25 | A Charlie Brown Christmas 5K/10K | 5K/10K | Escondido, CA |
| 918 | 20 Dec 25 | A Charlie Brown Christmas - San Diego | 10K/5K | San Diego, CA |
| 919 | 20 Dec 25 | Reindeer Run 5k, 10k, 15k, Half Marathon | 5K/10K/15K | Long Beach, CA |
| 920 | 20 Dec 25 | Reindeer Run Half Marathon | 5K/10K/15K/13.1M | Long Beach, CA |
| 921 | 20 Dec 25 | Clueless and Breathless 5K, 10K and Half | 5K/10K/13.1M | Los Angeles, CA |
| 922 | 21 Dec 25 | 2025 Rudolph Aquabike . . | triathlon | Visalia, CA |
| 923 | 21 Dec 25 | Holly Jolly Marathon | 5K/10K/13.1M/26.2M | Camarillo, CA |
| 924 | 21 Dec 25 | Runderland Express 5K, 10K, & Half Marathon | 5K/10K/13.1M | Long Beach, CA |
| 925 | 21 Dec 25 | Reindeer Run 5k, 10k, 15k, Half Marathon | 5K/10K/15K | Riverside, CA |
| 926 | 21 Dec 25 | Holly Jolly 5K, 10K | 1M/5K/10K | Fountain Valley, CA |
| 927 | 21 Dec 25 | Rainbow Falls 5K | 5K | San Francisco, CA |
| 928 | 21 Dec 25 | Reindeer Run Half Marathon | 5K/10K/15K/13.1M | Riverside, CA |
| 929 | 21 Dec 25 | Dirty December Trail Run | 10K/13.1M/26.2M | San Diego, CA |
| 930 | 24 Dec 25 | Placerville's Holiday Jingle and Mingle Run | 1M/5K/10K/15K/13.1M | Placerville, CA |