 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.In 2005, Abbott moved into the UK Oval Racing, joining the SCSA racing series in the RyanAir sponsored car run by Torquespeed Racing.