ThorSport Racing is an American professional stock car racing team that currently competes in the NASCAR Craftsman Truck Series. The team was founded in 1996 as SealMaster Racing and is based in Sandusky, Ohio. Owned by Duke Thorson and his wife Rhonda, it currently fields four full-time teams: the No. 13 for Hailie Deegan, the No. 66 part time for Conner Jones, the No. 88 for Matt Crafton, the No. 98 for Ty Majeski, and the No. 99 for Ben Rhodes. The team has won three Truck Series championships (2013, 2014, 2019) with Crafton, and one championship with Rhodes (2021). The team is also the longest continually tenured team in the truck series, having fielded at least one truck in every season since 1996.
