The world’s greatest GT race takes centre stage this weekend in our live Blancpain Endurance Series coverage from the 24 Hours of Spa.HTP Motorsport seeks a second consecutive win in Belgium’s twice-around-the-clock epic, although they’ll face stiff competition from Audi Club Team WRT’s three-pronged assault, bolstered by Ingolstadt’s triple Le Mans-winning team of Benoit Treluyer, Marcel Fassler and Andre Lotterer.Our sportscar coverage continues with live United SportsCar Championship from Indianapolis’ Brickyard Grand Prix.A fifth 2014 podium for Taylor siblings Ricky and Jordan in Ontario means the Prototype duo narrowly lead Action Express Racing’s Joao Barbosa and Christian Fittipaldi. In GTLM, Jan Magnussen and Antonio Garcia’s fourth successive triumph moves them 19 points clear of closest pursuers Bill Auberlen and Andy Priaulx.Remaining at Indiana’s motorsport mecca, we’ll also have live NASCAR Nationwide Series coverage. Following victory in Chicago, Chase Elliott moves back into the championship lead, seven and eight points ahead of Regan Smith and Elliott Sadler respectively. Meanwhile, Ty Dillon is close behind in fourth, only 30 adrift of fellow rookie Elliott.Returning to Spa-Francorchamps, there’s delayed British F3 coverage as the seven-round series makes its annual trip overseas.After missing Silverstone, Sam MacLeod closed Martin Cao’s championship advantage to just seven points at Snetterton courtesy of another victory double and a miserable weekend for China’s 22-year-old, who retired from both of Sunday’s races.Our two-wheel coverage kicks off with live seventh and eighth-round CIV action from Misano.Courtesy of a clean sweep in Vallelunga, Ivan Goi regained the Superbike lead from fellow Ducati rider Matteo Baiocco, with just 24 points separating Goi and his younger compatriot.And finally, we’ll also be in the Czech Republic for delayed-as-live FIM Motocross World Championship coverage.Thanks to a first-corner crash in Sweden – and his subsequent absence in Finland – Clement Desalle’s MXGP championship dreams are all but over, especially after Tony Cairoli’s eighth overall win of 2014 in Hyvinkaa. Meanwhile in MX2, an off-track injury for champion-elect Jeffrey Herlings guarantees the Dutch sensation will not claim a third consecutive crown in Loket.Friday 25 July22:30 LIVE United SportsCar Championship, Rd 9, IndianapolisSaturday 26 July11:30 British F3, Rd 4, Spa-Francorchamps – Delayed-as-Live (Race 3)13:00 LIVE Italian Motorcycle Road Race Championship, Rd 7, Misano (Moto 3)13:45 LIVE Italian Motorcycle Road Race Championship, Rd 7, Misano (Superbike)15:00 LIVE Blancpain Endurance Series, 24 Hours of Spa, Spa-Francorchamps18:00 Italian Motorcycle Road Race Championship, Rd 7, Misano – Delayed-as-Live (600 Supersport)18:30 Italian Motorcycle Road Race Championship, Rd 7, Misano – Delayed-as-Live (Pre Moto 3)19:00 LIVE Blancpain Endurance Series, 24 Hours of Spa, Spa-Francorchamps21:30 LIVE NASCAR Nationwide Series, Rd 19, IndianapolisSunday 27 July07:00 LIVE Blancpain Endurance Series, 24 Hours of Spa, Spa-Francorchamps12:00 LIVE Blancpain Endurance Series, 24 Hours of Spa, Spa-Francorchamps16:00 FIM MX2 Motocross World Championship, Rd 14, Czech Republic – Delayed-as-Live (Race 1)17:00 FIM MXGP Motocross World Championship, Rd 14, Czech Republic – Delayed-as-Live (Race 1)18:00 FIM MX2 Motocross World Championship, Rd 14, Czech Republic – Delayed-as-Live (Race 2)19:00 FIM MXGP Motocross World Championship, Rd 14, Czech Republic – Delayed-as-Live (Race 2)20:00 Italian Motorcycle Road Race Championship, Rd 8, Misano – Delayed-as-LiveAll times are BST