The Frightening Fall Trail Race is a beloved annual event hosted by the Cornwall Multisport Club at Guindon Park East in Cornwall, Ontario. This Halloween-themed trail race is known for its festive atmosphere, encouraging participants to don creative costumes and enjoy the spirit of the season. The event is designed to be inclusive and fun, welcoming both seasoned trail runners and newcomers to the sport.

A unique feature of the race is its 6KM Prediction Run, where runners predict their finish times and compete without timing devices, adding an extra layer of challenge and excitement. In addition to the prediction run, the event offers 12KM and 18KM trail distances, ensuring there is a suitable challenge for every participant. After the race, runners are treated to seasonal snacks and the camaraderie of the running community, making it a highlight of the local fall racing calendar.

The Frightening Fall Trail Race takes place on the scenic trails of Guindon Park East. The course features a mix of wide crushed gravel paths and flowing singletrack, winding through wooded areas and open parkland. While specific elevation details are not provided, the terrain offers gentle undulations and a variety of surfaces, making it accessible for beginners yet engaging for experienced trail runners. The course is well-marked and maintained, providing a safe and enjoyable trail running experience in the heart of autumn.

- Halloween-themed trail race with costume encouragement
- 6KM Prediction Run (no timing devices allowed)
- 12KM and 18KM trail run options
- Prizes for best costumes and closest prediction times
- Post-race seasonal treats
- All-weather event: rain, snow, or shine