| 15091 | 19 Sep 26 | Dirty Fox Five Hour Trail Race | 5H trail run | Fort Wayne, IN |
| 15092 | 14 Nov 26 | Dirty Duel Trail Races | 5K/3.4M | Grand Rapids, MI |
| 15093 | 23 Jan 27 | Dirty Duathlon | Sprint Duathlon | Granite Bay, CA |
| 15094 | 25 Jul 26 | Dirty Dozen and Half Dozen Endurance Run | 12H/6H trail run | Pinole, CA |
| 15095 | 12 Sep 26 | Dirty Dozen 5K Obstacle Mud Run | 5K | Clemmons, NC |
| 15096 | 15 Aug 26 | Dirty Dog Trail Run | 5K/10K | Midland, MI |
| 15097 | 20 Dec 26 | Dirty December Trail Run | 10K/13.1M/26.2M | San Diego, CA |
| 15098 | 10 Oct 26 | Dirty Dawg Trail Series | 5K/10K | Columbus, IN |
| 15099 | 11 Jul 26 | Dirty Burg | 5K/10K/20K/50K | Belmont, MI |
| 15100 | 18 Oct 26 | Dirt Days Trail Series - West Side, Best Side 5K Trail Run | 5K | North Bend, OH |
| 15101 | 17 May 26 | Dirt Days Trail Run Series - Mt. Airy Forest Ridge Run | 5.4M/10.6M | Cincinnati, OH |
| 15102 | 21 Jun 26 | Dirt Days Trail Run Series - French Park Creek Crossings | 3.6M | Cincinnati, OH |
| 15103 | 26 Jul 26 | Dirt Days Trail Run Series - East Fork SP Trail Run | 5.6M/10.8M | Bethel, OH |
| 15104 | 27 May 26 | Dirt Cheap Trail Race Series | 4M | Rochester, NY |
| 15105 | 13 Nov 26 | Dirt Cheap Stage Race | 3M | Mendon, NY |