What better way to celebrate the longest day of the year, and the start of summer, than by immersing yourself in nature found smack dab in the midst of urban Toronto. Again this year, Salomon Toronto at the Shops at Don Mills is hosting the Summer Solstice Day of Trail Runs on June 20, 2015. The idea is that anybody that wants to can join in on a group run on the nearby Sunnybrook Park trails between sunrise and sunset…