| 1726 | 06 Jun 26 | SOWF Ultra | 24H run | Nine Mile Falls, WA |
| 1727 | 25 Jul 26 | Southwest Cafe Margarita Run | 5K | Ridgefield, CT |
| 1728 | 01 Aug 26 | Southside BeltLine 8K/3K | 3K/8K | Atlanta, GA |
| 1729 | 11 Oct 26 | Southernmost Half Marathon and 10k | ['Half Marathon'/ '10K'] | Key West, FL |
| 1730 | 24 Oct 26 | Southern Utah Triathlon | ['25.7K'/ '51.4K'/ 'Triathlon'/ 'Ultra'] | Hurricane, UT |
| 1731 | 03 Jun 26 | Southern Tier Triathlon Club Summer Tri Series | supersprint triathlon | Cassadaga, NY |
| 1732 | 05 Aug 26 | Southern Tier Triathlon Club Summer Tri Series | supersprint triathlon | Cassadaga, NY |
| 1733 | 08 Aug 26 | Southern Star Brewing Co 5K | 5K | Conroe, TX |
| 1734 | 09 May 26 | Southern Paws Animal Rescue 5K | 5K | Mount Pleasant, SC |
| 1735 | 16 May 26 | Southern Indiana 6K Walk/Run for Water | 6K | Bloomington, IN |
| 1736 | 11 Apr 26 | Southern Illinois 10K | 10K | Marion, IL |
| 1737 | 11 Apr 26 | Southern Fauquier Ruritan 5K | 5K | Midland, VA |
| 1738 | 18 Apr 26 | Southern Door Trail Trot Run | 2M | Brussels, WI |
| 1739 | 02 Aug 26 | Southampton Race of Hope 5K | 1M/5K | Southampton, NY |
| 1740 | 05 Jul 26 | Southampton Firecracker 8K | 3M/8K | Southampton, NY |