Teams race to create a boat from concrete capable of out-racing their opponent. Red TeamBlue TeamSabrina MontesaIndependent ConsultantDavid ChenMechanical EngineerScott AndersonCoast Guard OfficerStephen AnsonHouse RemodelerShawn DunningMasters StudentKareem AkhtarComputer EngineerSam SchweighartGraduate StudentChristy ReedScience Writer