Northwoods Obstacle Trail Challenge Join us for the Northwoods Obstacle Trail Challenge weekend August 8-9, 2020. Saturday, August 8th is the Northwoods Challenge with $300 added to the open and $100 added to the youth classes. The challenge consists of 10-12 obstacles such as water, side-pass, tarps, bridges, back through, dragging and other interesting obstacles. Horses will be scored on …