31st Haliburton Forest 100 Mile Race
31st Haliburton Forest 100 Mile Race is a 161 km ultramarathon in West Guilford, ON, Canada, taking place on Sep 11 – Sep 12, 2026.
- Date
- Sep 11 – Sep 12, 2026
- Distance
- 161 km
- Location
- West Guilford, ON, Canada
- Format
- Fixed distance