| 3721 | 18 Oct 25 | Tough Mudder Nashville 2025 | 5K/10K | Lebanon, TN |
| 3722 | 18 Oct 25 | ACE Physical Therapy & Sports Medicine Institute 22½th annual Potomac River Run Marathon & Half, in memory of Dean Shulman and Wendy Martinez | Half Marathon/Marathon | Washington, DC |
| 3723 | 18 Oct 25 | 2025 SPACEROCK Trail Race | 5K/10K/15K | Agua Dulce, CA |
| 3724 | 18 Oct 25 | 2025 Kegs and Eggs Halloween 5k - October 18 | 5K | Manheim, PA |
| 3725 | 18 Oct 25 | 6th Annual Harley Half / RELAY & 5K Run/Competitive Walk event | 5K | Biloxi, MS |
| 3726 | 18 Oct 25 | Great Trailhead Foot Race | 5K | Morrison, CO |
| 3727 | 18 Oct 25 | Indian Creek Trail Runs | 5M/15M/55K | Sedalia, CO |
| 3728 | 18 Oct 25 | 2025 Harvest Hills 5k/10k/Half | 10K/13.1/5K | Lorton, VA |
| 3729 | 18 Oct 25 | Blue Sky Trail Marathon | 13.1M/26.2M | Fort Collins, CO |
| 3730 | 18 Oct 25 | Big Texas Run 5K/10K | 10K/5K | Arlington, TX |
| 3731 | 18 Oct 25 | 2025 Autumn Adventure 5k/10k | 10K/5K | Upper Marlboro, MD |
| 3732 | 18 Oct 25 | 2025 Trick or Tri at Merrill Ranch | triathlon | Florence, AZ |
| 3733 | 18 Oct 25 | Rootrock Trail Run - 5K/10K/Half Marathon | 26.2/5K/10K/Half Marathon | Chapel Hill, NC |
| 3734 | 18 Oct 25 | 2025 Beach Girl Triathlon | triathlon | Galveston, TX |
| 3735 | 18 Oct 25 | Big Texas Run 5K/10K at Texas Live in Arlington, TX | 10K/5K | Arlington, TX |