Route: Grey Owl Trail (SK, Canada)

24 miles in total. You run out to Grey Owl’s cabin and then turn around and run back to the start. The trail is full of rocks and roots and lots of ups and downs, which make for some tricky technical running most of the way. 

https://www.pc.gc.ca/en/pn-np/sk/princealbert/activ/experiences/activ21/a16