The 51st Kenduskeag Stream Canoe Race, held annually on the third weekend of April, is the largest paddling event in New England — and one of the largest in the country. Hosted by the Bangor Department of Parks & Recreation, the 16.5 mile race begins in the Town of Kenduskeag and ends near the confluence of the Penobscot River in downtown Bangor. Here’s what to expect.