Not for the faint of heart, Epic Dartmouth is an annual day of hard competition, a massive triathlon event taking place across the City of Lakes. This year, for Canada 150, the event will take a new shape over the entirety of the weekend, with various competitive events—five run distances, a swim, a kids’ event and a try-a-tri, for the curious but not masochistic athletes—but not a long-distance triathlon. Read all about your options online!—Allison Saunders