Guinness World Record Fastest Female Retro Running 100km 2026

Guinness World Record attempt for the fastest female retro running 100km. The event takes place at the Ray Lewis Track & Field Centre, 1100 Mohawk Rd East, Hamilton, ON, Canada, on Saturday, October 17, 2026. The public event runs from 9am to 5pm and supports The Good Shepherd Steps to Health Program.