Screen shot 2010-03-24 at 4.43.45 PM The Charles River Watershed Association celebrates 28 years of canoe & kayak races on the Charles River at the ‘Run of the Charles’ on Sunday, April 25. Professional, amateur and recreational canoe and kayak races include international, national and local racers. New England’s largest canoe and kayak race includes 6, 9, and 19-mile races, a 24-mile, five-leg canoe relay race, and a 26-mile professional marathon. The Charles River is one of the most spectacular places in Boston and adding a competition just makes it sure to be fun for all participants, volunteers, and spectators.