| 4831 | 18 Jul 26 | Lake MacBride Trail Races | 25K/50K | Solon, IA |
| 4832 | 08 Aug 26 | Lake Max Triathlon | Sprint Duathlon/Sprint Triathlon | Culver, IN |
| 4833 | 07 Jun 26 | Lake Mills Triathlon | Sprint Triathlon | Lake Mills, WI |
| 4834 | 13 Jun 26 | Lake Mingo Trail Run | 7.1M | Danville, IL |
| 4835 | 25 Apr 26 | Lake Mohegan Trail Race | 5K/10K | Fairfield, CT |
| 4836 | 02 May 26 | Lake Monona 20K and 5K | 5K/20K | Monona, WI |
| 4837 | 24 Oct 26 | Lake Murray Endurance Run | 100 Mile/100K/25K/5 Mile/50K/Ultra | Ardmore, OK |
| 4838 | 19 Apr 26 | Lake Murray Triathlon | Sprint Aquathon/Sprint Triathlon/Sprint Triathlon Relay | Prosperity, SC |
| 4839 | 06 Jun 26 | Lake Norman Forest Run | 13.1M | Statesville, NC |
| 4840 | 25 Apr 26 | Lake Norman State Park Sprint | Sprint Triathlon/Sprint Triathlon Relay | Troutman, NC |
| 4841 | 02 May 26 | Lake of the Ozarks Endurance Runs | 5M/25K | Kaiser, MO |
| 4842 | 02 May 26 | Lake Oswego Lake Run | 5K/10K | Lake Oswego, OR |
| 4843 | 28 Jun 26 | Lake Pflugerville Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | Pflugerville, TX |
| 4844 | 14 Jun 26 | Lake Placid Marathon | 10K/13.1M/26.2M | Lake Placid, NY |
| 4845 | 19 Jul 26 | Lake Rebecca Triathlon | Sprint/supersprint triathlon | Rockford, MN |