RedactedNarrative: V2 WAS DRIFTING SOUTH, ON THE EAST SIDE OF THE RIVER,WHILE WAITING FOR AN OPENING TO TURN INTO THE BEACH.  V1 WAS TRAVELLING NORTH ON THE EAST SIDE OF THE RIVER AT A HIGH RATE OF SPEED.  V1 SIDESWIPPED V2 CAUSING INJURY TO THE OPERATOR OF V2.  V1''S OPERATOR AND THE OCCUPANTS FLED THE AREA WHILE V2 WAS BEING RESCUED.  V2''S OPERATOR WAS TRANSPORTED TO THE HOSPITAL FOR A DEEP LACERATION TO HER LEFT THIGH THAT WAS SEVERAL INCHES LONG.