The vital 2011 BMX Supercross World Cup circuit that will decide participants for the 2012 London Olympic games gets under way in the picturesque surroundings of Alexandra Park in Pietermaritzburg on Friday where the cream of the world riders will do battle for the titles, series points and critical headway towards Olympic qualification. Over 150 male and female riders representing 21 countries are in Pietermaritzburg, eager to get their first taste of the tricky track layout when the solitary day for official practice opens on Thursday … More