| 106 | 23 Aug 25 | 2025 Amos Herr 5K Honey Run & Kids Fun Run | 5K | Landisville, PA |
| 107 | 12 Jul 25 | 2025 Anchor Bay Triathlon | triathlon | New Baltimore, MI |
| 108 | 04 Jul 25 | 2025 Andrews Cadillac Firecracker 5K & Luken Kids Fun Run 1K | 1K/5K | Brentwood, TN |
| 109 | 03 Aug 25 | 2025 Andy's Race Sprint Triathlon | triathlon | Greenville, SC |
| 110 | 31 Oct 25 | 2025 Angels vs Devils 5k | 5K | Fredericksburg, VA |
| 111 | 19 Jul 25 | 2025 Ankeny Youth Triathlon | triathlon | Ankeny, IA |
| 112 | 12 Jul 25 | 2025 Ann Arbor Triathlon, Duathlon, Aquabike | triathlon | Gregory, MI |
| 113 | 13 Dec 25 | 2025 Anthem Holiday Classic Triathlon | triathlon | Anthem, AZ |
| 114 | 23 Aug 25 | 2025 Anthem Sprint Triathlon | triathlon | Anthem, AZ |
| 115 | 27 Sep 25 | 2025 Apple Valley Reverse Triathlon & 5K | triathlon | Apple Valley, CA |
| 116 | 20 Jul 25 | 2025 Appleman Triathlon | triathlon | Littleton, MA |
| 117 | 21 Jun 25 | 2025 Appomattox River Greenway 5k/10k | 10K/5K | Colonial Heights, VA |
| 118 | 13 Jul 25 | 2025 Aquathlon & Open Water Swim Challenge | triathlon | Cedar Hill, TX |
| 119 | 26 Jul 25 | 2025 Arizona Sunrise Series - Arizona Boardwalk | 5K | Scottsdale, AZ |
| 120 | 12 Jul 25 | 2025 Arizona Sunrise Series - Foothills Park | 5K | Glendale, AZ |