The United States again plays host for the sixth year of this Championship, and at Key Biscayne, under the fierce Florida sun, 12 finalists compete for a share of the$132,000 total purse. Brian Hooper, the UK and International Superstars Champion, leads the British challenge With him, Alan Lerwill, our Past Masters Champion. Against them: Jody Scheckter (South Africa), defending Champion and the 1979 Formula 1 World Motor Racing Champion... Renaldo 'Skeets' Nehemiah (USA), world record holder in the 110m hurdles, for two years the US Superstars Champion. Gerry Loftus (Ireland), Irish Superstars Champion, a trampolinist and army PT instructor Eamonn Coghlan (Ireland), world indoor mile record holder and ranked No 1 over 5,000m. Sydney Maree (South Africa), the only man to beat Steve Ovett over 1 mile since 1975; winner of the first New York Fifth Avenue Mile. Rod Dixon (New Zealand), 1500m Olympic medallist and Internanational Marathon runner. Four American footballers all qualified through the US Final: James Lofton of the Green Bay Packers; US Superstars runner-up. Dwight Clark , wide receiver with this year's Superdome winners-the San Francisco 49ers. Chris Collingsworth , three-times All American Footballer and finalist in this year's Superbowl. Mark Gastineau , defender with New York Jets, is 6ft 5ins, weighs 19½stone and has been timed at 4.69 sees over 40 yards