Operator was participating in an unsanctioned "jet boat race" on Lake Greeson.  He was running a solo pass trying to tune V1.  Another vessel came into the "course" from the east and turned across the course in front of the operator of V1.  This made a large roller wave.  According to the operator he saw the waves and tried to slow down but estimated he was going about 70 to 80 mph when he hit the wave.  According to witnesses V1 was lofted into the air then came back down bow first into the water.  V1 broke apart around the operator.  According to a friend of the operator, he took the operator by POV to the hospital where he received stitches for a busted lip and he had bruised legs.
MURFRESBORO                   