| 15316 | 28 Sep 25 | 2025 Kenai River Marathon | 5K | Kenai, AK |
| 15317 | 18 Oct 25 | 2025 Kegs and Eggs Halloween 5k - October 18 | 5K | Manheim, PA |
| 15318 | 31 Aug 25 | 2025 Katy Triathlon | triathlon | Katy, TX |
| 15319 | 30 Aug 25 | 2025 Kalero 5k | 5K | Purcellville, VA |
| 15320 | 02 Aug 25 | 2025 K-Town On The River Triathlon | triathlon | Knoxville, TN |
| 15321 | 19 Jul 25 | 2025 Joyfully & Faithfully Fit 5k | 5K | Bluemont, VA |
| 15322 | 19 Jul 25 | 2025 Journey to the Badlands Triathlon | triathlon | Glendive, MT |
| 15323 | 14 Sep 25 | 2025 Josh Billings Triathlon | triathlon | Lenox, MA |
| 15324 | 13 Dec 25 | 2025 Jingle Jog 5k | 5K | Waurika, OK |
| 15325 | 10 Aug 25 | 2025 JCPRD Kids Triathlon | triathlon | Olathe, KS |
| 15326 | 20 Jul 25 | 2025 Janney and the Y North Park Triathlon/Aquabike | triathlon | Pitsburgh, PA |
| 15327 | 27 Sep 25 | 2025 Jailbreak Triathlon | triathlon | Columbia, TN |
| 15328 | 01 Nov 25 | 2025 Jack T. Farrar, Jr. "Fill the Shoes" 5K | 5K | Alexandria, VA |
| 15329 | 04 Oct 25 | 2025 Isle of Palms Connector Run & Walk for the Child | 5K/10K | Isle of Palms, SC |
| 15330 | 11 Oct 25 | 2025 IRONMAN World Championship - Kona | triathlon | Kailua-Kona, HI |