Half Distance Michigan Triathlon: Your Ultimate Guide Swim (1.2 Miles) Dive into the pristine waters of Betsie Bay, with a single-loop swim course offering calm, protected conditions. The swim start and finish are conveniently located near the transition area. Anticipate an average water temperature of 65°F (18°C), ideal for a refreshing race-day experience. Bike (56 Miles) Cycle through the picturesque landscapes of Benzie County along the scenic highway M-22. This two-out-and-back course ...