Great Mansfield Outdoors
100K single-track just landed in Mulmur
New in 2026: the 100K Grande sends solo runners and relay teams of 2-4 across four 25 km loops through Mansfield Outdoor Centre and Dufferin County Forest, piling up 2,000 m of elevation gain. Seventeen hours. One mug. All the roots.
Highlights
Single-track through Mansfield Outdoor Centre and Dufferin County Forest
Four laps, 2,000m elevation gain on majority single-track trails
2–4 runners tackle 100K together, one loop each
Cross the line and earn your medal, mug, and beer
Sleep steps from the start/finish at Mansfield Outdoor Centre
What's included in the entry
Event information is pending confirmation.
Great Mansfield Outdoors
100K single-track just landed in Mulmur
New in 2026: the 100K Grande sends solo runners and relay teams of 2-4 across four 25 km loops through Mansfield Outdoor Centre and Dufferin County Forest, piling up 2,000 m of elevation gain. Seventeen hours. One mug. All the roots.
Highlights
Single-track through Mansfield Outdoor Centre and Dufferin County Forest
Four laps, 2,000m elevation gain on majority single-track trails
2–4 runners tackle 100K together, one loop each
Cross the line and earn your medal, mug, and beer
Sleep steps from the start/finish at Mansfield Outdoor Centre