The Head of the Charles Regatta is a world famous rowing competion held every 3rd weekend of October on the Charles River.

This competion first began in October 16, 1965. It was established by members of the Cambridge Boat club. Harvard coach Ernest Arlett established the style of the race. The race was to be a "head of the river" style competitions similar to the ones in his native England. The race is generally 3 miles long and the competitors race against the clock and others boats.

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