Keith represented the United States in the
men's road time trial C1 event at the
2020 Summer Paralympics and won a silver medal. Keith represented the United States at the
2022 UCI Para-cycling Track World Championships where he won a silver medal in the
scratch race and
individual pursuit events. In August 2024, Keith was issued with a 14-month ban set to expire in June 2026 for an anti-doping rule violation relating to a positive test for anabolic steroids in January 2024. An earlier shorter ban for four months was superseded by a settlement agreement that Keith agreed with the
Court of Arbitration for Sport. ==References==