Great Mansfield Outdoors
Great Mansfield Outdoors - May 30, 2026
The event takes place at Mansfield Outdoor Centre and in the Dufferin County Forest on mostly single-track trails. The 2026 program adds a new 100 km option available solo or as a relay. All courses start and finish at Mansfield Outdoor Centre and use the same general venue for services and logistics.
Distances offered:
- 100 km four 25 km laps, mostly single-track.
- 50 km two 25 km laps.
- 25 km one 25 km lap.
- 10 km one 10 km lap.
- 5 km one 5 km lap.
Course details include approximate elevation gains per distance and included items for registrations such as bamboo-blend t-shirts for many distances, medals, mugs and beer at the finish; socks are included for the 10 km. Aid stations include full-serve locations at start/finish and key junctions plus self-serve water-only stations between them. The maximum gap between aid stations on the 25 km loop is 4.5 km. The event is cupless so participants must carry their own drink receptacle. Trails contain roots and can be muddy; trail footwear is recommended in wet conditions.
Camping and cabin accommodation are available through the Mansfield Outdoor Centre with per-night fees. Parking is free with rows parallel to the lodge. First aid is located at the start/finish and porta-potties are provided near the barn and on course. Visit the organization's website for the most recent information.