a 20km loop. 25 & 50k runners will do 5km and 10km spurs then complete one and two loops respectively. 10 km runners will complete a 10km on the Headwaters Trail. 97% trail, 3% asphalt in the Dundas Valley Conservation Area. Waterproof colour maps of the park are available from www.chrismar.com or 905-852-6151
7 fully stocked aid stations per lap.