| 331 | 17 May 26 | 2026 Dunedin Rotary Triathlon | triathlon | Dunedin, FL |
| 332 | 17 May 26 | 2026 Lake Lou Yaeger Triathlon | triathlon | Litchfield, IL |
| 333 | 17 May 26 | 2026 Independence Triathlon | triathlon | Quakertown, PA |
| 334 | 17 May 26 | cranky crab 2026 | 5K/10K | Seekonk, MA |
| 335 | 17 May 26 | 2026 Women's Gold Nugget Triathlon | triathlon | Anchorage, AK |
| 336 | 17 May 26 | 2026 Kansas City Triathlon | triathlon | Kansas, MO |
| 337 | 17 May 26 | 2026 Ironman 70.3 Chattanooga | triathlon | Chattanooga, TN |
| 338 | 16 May 26 | 2026 Dash Through the Dirt 5k/10k/Half | 10K/13.1/5K | Potomac, MD |
| 339 | 16 May 26 | 2026 Dirty Pelican Bike Paddle Run | triathlon | Klamath Falls, OR |
| 340 | 16 May 26 | Wave 2 Wine 5K 2026 | 5K | Pensacola Beach, FL |
| 341 | 16 May 26 | 2026 Wicked Wine Run Atlanta | 1K/5K | Conyers, GA |
| 342 | 16 May 26 | The SPRING SPRUNG 5k-10k and Half Marathon | 5K/10K/13.1 | St Louis, MO |
| 343 | 16 May 26 | 2026 Two Twisted Posts Winery 5k/10k | 10K/5K | Purcellville, VA |
| 344 | 16 May 26 | 2026 XTERRA Oak Mountain - North American Championship | triathlon | Pelham, AL |
| 345 | 16 May 26 | 2026 Iowa Games Triathlon & Duathlon | triathlon | Polk, IA |