| 286 | 22 Aug 26 | 2026 Kalero 5k | 5K | Purcellville, VA |
| 287 | 07 Jun 26 | 2026 Keuka Lake Triathlon | triathlon | Keuka Park, NY |
| 288 | 08 Aug 26 | 2026 Kill Creek Park Triathlon & Duathlon | triathlon | Olathe, KS |
| 289 | 13 Dec 26 | 2026 Krampus Krawl at Maryland International Raceway 5k/10k | 10K/5K | Mechanicsville, MD |
| 290 | 07 Sep 26 | 2026 Labor Day 5k/10k | 10K/5K | laurel, MD |
| 291 | 07 Sep 26 | 2026 Labor Day Burke 5k/10k | 10K/5K | Fairfax Station, VA |
| 292 | 27 Nov 26 | 2026 Lake Anna Turkey Trot 5k/10k/Half | 10K/13.1/5K | Spotsylvania, VA |
| 293 | 25 Jul 26 | 2026 Lake Country Triathlon | triathlon | Oconomowoc, WI |
| 294 | 19 Jul 26 | 2026 Lake Lenape Triathlon | triathlon | Mays Landing, NJ |
| 295 | 07 Jun 26 | 2026 Lake Mills Triathlon | triathlon | Lake Mills, WI |
| 296 | 05 Sep 26 | 2026 Lake Nighthorse Triathlon | triathlon | Durango, CO |
| 297 | 25 Jul 26 | 2026 Lake Springfield Triathlon | triathlon | Springfield, IL |
| 298 | 30 Aug 26 | 2026 Lake Tahoe Triathlon - Sunday Half & Olympic | triathlon | Tahoma, CA |
| 299 | 06 Jun 26 | 2026 Lake Wilderness Triathlon | triathlon | Maple Valley, WA |
| 300 | 11 Jul 26 | 2026 Lake Zurich Triathlon | triathlon | Lake Zurich, IL |