| 4501 | 16 May 26 | Dirty Pelican Bike Paddle Run & Timber Kids Fun Run | 5K | Klamath Falls, OR |
| 4502 | 16 May 26 | 2026 Dirty Pelican Bike Paddle Run | triathlon | Klamath Falls, OR |
| 4503 | 30 May 26 | Oregon Tech Twilight Fun Run | 5K | Klamath Falls, OR |
| 4504 | 16 May 26 | Oregon Cattlewomen Ranch Run | 1M/5K/10K/13.1M | Klamath Falls, OR |
| 4505 | 26 Apr 26 | Vintage Half Marathon | 5K/13.1M | Klein, TX |
| 4506 | 12 Jul 26 | UNC Health Sprint Triathlon | Sprint Triathlon | Knightdale, NC |
| 4507 | 30 May 26 | Knob Noster Fair 5k May 30, 2026 | 5K | Knob Noster, MO |
| 4508 | 25 Jul 26 | Bass Lake Festival 5K Run | 5K | Knox, IN |
| 4509 | 18 Apr 26 | Hal Canfield Memorial Milefest | 1M | Knoxville, TN |
| 4510 | 18 Jul 26 | Eagle 5K, 10K, and 13.1M | 5K/10K/13.1M | Knoxville, TN |
| 4511 | 31 May 26 | PBR SwimRun Knox & Trail Run 5K/Half Marathon | 5K/13.1M | Knoxville, TN |
| 4512 | 03 Jul 26 | Fireball Classic 5K | 5K | Knoxville, TN |
| 4513 | 16 May 26 | Luau 5K, 10K, and Half Marathon | 5K/10K/13.1M | Knoxville, TN |
| 4514 | 06 Jun 26 | Movie Madness 5K, 10K, and Half Marathon | 5K/10K/13.1M | Knoxville, TN |
| 4515 | 18 Apr 26 | Pirate 5K, 10K, and 13.1M | 5K/10K/13.1M | Knoxville, TN |