 In 2003, Abbott competed in a handful of Radical Enduro championship races driving a Radical Prosport and had several podium finishes.For 2004, Abbott raced in the Radical Enduro championship with Martin Donnelly Racing partnering Nigel Redwood.He missed the first two rounds of the championship but took eight victories and 11 pole positions in the remainder of the season, the most races any driver has ever won in one season of Radical Enduro.