After his retirement from motocross racing, Geboers began a career in sports car endurance racing, competing in the 2001 and 2002 FIA GT Championship in events such as the 2001 FIA GT Jarama 500km and the Spa 24 Hours in 2001 and 2002. Geboers managed the Suzuki motocross team along with his brother, fielding Belgian riders Clement Desalle and Kevin Strijbos.