Our summer of motorsport really heats up this weekend with live NASCAR Nationwide Series coverage from Dover International Speedway kicking things off.Third-placed Chase Elliott aims to rebound from a disastrous Charlotte showing at The Monster Mile by overhauling the 28-point gap to standings leader Regan Smith, although Joe Gibbs Racing’s Elliott Sadler will harbour similar aspirations from second.We then journey west from Delaware to Belle Isle, Detroit, for live fifth-round United SportsCar Championship coverage as Prototype and GT Daytona machinery go head-to-head.Laguna Seca marked the first Prototype podium of 2014 that did not feature Joao Barbosa and Christian Fittipaldi, reducing their advantage over Scott Pruett and Memo Rojas to three points. Meanwhile in GTD, Turner Motorsport’s Dane Cameron and Markus Palttala seek a second consecutive victory in their BMW Z4 GT3.Your single-seater cravings are satisfied next with live and delayed FIA Formula 3 European Championship coverage from the Hungaroring as Esteban Ocon seeks to continue his crushing form at round four.The Frenchman stretched his advantage to 57 points on home soil last time out, courtesy of another podium clean sweep and although fellow Pau victor Tom Blomqvist leads the chase, he’ll need to swiftly halt the rookie’s blistering start to 2014 at Hungary’s grand prix venue this weekend.The FIM Motocross World Championship makes the short trip across the Channel to France this weekend for full live ninth-round coverage from Saint-Jean-d’Angely.Although grieving from the loss of his father, MXGP champion Tony Cairoli extended his points lead over Clement Desalle with another overall win. Meanwhile in MX2, Jeffrey Herlings claimed a fourth successive clean sweep in Winchester with ‘The Bullet’ seemingly strolling toward a third world crown.The High Speed Television Channel’s GT coverage continues with delayed fourth-round British GT Championship action from the Silverstone 500.After another strong result at Rockingham, Ecurie Ecosse duo Alexander Sims and Marco Attard took the GT3 championship lead, although Beechdean AMR pair Jonny Adam and Andrew Howard trail by only seven points.And finally, our sportscar coverage concludes at the Lausitzring with ADAC GT Masters highlights as reigning World Rally champion Sebastien Ogier guest stars in the ever-popular German series.Saturday 31 May10:00 LIVE FIA Formula 3 European Championship, Rd 4, Hungaroring (Race 1)17:00 LIVE United SportsCar Championship, Rd 5, Belle Isle19:00 LIVE NASCAR Nationwide Series, Rd 12, DoverSunday 1 June09:40 LIVE FIA Formula 3 European Championship, Rd 4, Hungaroring (Race 2)10:45 British F3 Championship, Rd 2, Silverstone – Highlights12:00 LIVE FIM MX2 Motocross World Championship, Rd 9, France (Race 1)13:00 LIVE FIM MXGP Motocross World Championship, Rd 9, France (Race 1)15:00 LIVE FIM MX2 Motocross World Championship, Rd 9, France (Race 2)16:00 LIVE FIM MXGP Motocross World Championship, Rd 9, France (Race 2)17:00 British GT Championship, Rd 3, Silverstone – Delayed Highlights19:00 FIA Formula 3 European Championship, Rd 4, Hungaroring – Delayed-as-Live (Race 3)20:00 ADAC GT Masters, Rd 3, Lausitzring – Highlights22:35 FIA Formula 3 European Championship, Rd 4, Hungaroring – HighlightsAll times are BST