In 1999 Hart took home the bronze medal at the Summer Gravity Games and Gold at the Australian X Games. This trick is now known as the 'Hart Attack'.
He was also the first person to perform the 'invert superman' seat grab at the 1999 Gravity Games in Providence, Rhode Island. Hart was the first rider to publicly perform BMX trick the 'superman seat grab' at IFMA events in 1998–99. Hart was among the first riders to begin competing in freestyle motocross in 1996. Two years before, he had sustained two broken femurs, broken tibia and fibula as well as fractured wrists, after he was blind-sided by a tractor working on the track he was riding on, smashing straight into the vehicle. Hart became a professional motorcyclist at 18 and started competing in the AMA supercross circuit. He and singer Pink have been married since 2006.
He is known for being the first motorcyclist to perform a back flip on a 250cc motorcycle during a competition, and for his company Hart & Huntington Tattoo & Clothing Company. Carey Jason Phillip Hart (born July 17, 1975) is an American off-road truck racer, former professional freestyle motocross competitor, and former motorcycle racer.