RedactedNarrative: Vessel 1 was underway going east after exiting the east cove on Lake 10.  The operator of Vessel 1 noticed Vessel 2 traveling at a high rate of speed toward him.  Vessel 1 operator turned to the port side towards a swim beach area.  Vessel 2 struck Vessel 1 with its bow rub rail and the bow eye with a glancing blow on the starboard side below the waterline causing a tear in the fiberglass of Vessel 1.  The collision caused a secondary point of impact on the starboard side and then a third point of impact which tore off an accessory on the starboard stern of Vessel 2. The Operator of Vessel 2 was thrown off of Vessel 2 and over the deck of Vessel 1, making contact with the rear deck before landing in the water.  Passenger from Vessel 1 voluntarily exited Vessel 1 to help the operator of Vessel 2 get back to Vessel 2.