FIM Superbike, Supersport World Championships & FIM Superstock 1000cc Cup 2013 Provisional Calendar, 3 January 2013 (Changes in bold) DATE, COUNTRY, CIRCUIT (World Superbike, World Supersport, Superstock) 24 February, Australia, Phillip Island (SBK, SS) 10 March, India, Buddh Circuit (SBK, SS) 14 April, Spain, Motorland Aragon (SBK, SS, STK) 28 April, The Netherlands, Assen (SBK, SS, STK) 12 May, Italy, Monza (SBK, SS, STK) 26 May, UK, Donington Park (SBK, SS) 9 June, Portugal, Portimao (STC), (SBK, SS, STK) 23 June, TBA, TBA (SBK, SS, STK) 30 June, Italy, Imola (STC), (SBK, SS, STK) 21 July, Russia, Moscow Raceway (SBK, SS) 4 August, UK, Silverstone (SBK, SS, STK) 1 September, Germany, Nurburgring (SBK, SS, STK) 29 September, USA, Mazda Raceway Laguna Seca (SBK) 6 October, France, Magny-Cours (SBK, SS, STK) 20 October, Spain, Jerez (SBK, SS, STK) TBA = To be announced STC = Subject to contract