RedactedNarrative: V1 was traveling South bound on the Colorado River in the area of Big Bend State Park.  When V1 was making a turn both the passenger and the operator fell off.  V1 continued West bound and struck V2 that was at anchor on the shoreline.  Victim 1 was sitting on the V2 when it was struck.  This resulted in him being struck in the head by V1.  There were only minor injuries to Victim 1 but due to his age (1yoa) he was transported to the hospital for treatment.  Victim was treated and released from WARMC.