LIVE American Le Mans Series The second of two street circuit races on the calendar, the American Le Mans Series Baltimore event follows the categorys closest ever finish at Road America where Dyson Racing beat the rival Muscle Milk Pickett squad by just eight hundredths of a second. Dyson will now aim for a repeat of the 2011 race which saw them dominate the championships maiden visit to the Maryland venue.- Saturday, 1 September from 6.45pm  LIVE FIM World Motocross Championship  Round 14 of the World Motocross Championship comes from Dutch venue Lierop as Antonio Cairoli and Jeffrey Herlings look to close on the MX1 and MX2 titles respectively. Local hero Herlings will be hoping to shine on home turf, but after scoring victory last time out at the British GP title rival Tommy Searle looks primed to spoil the party. - Sunday, 2 September from 11.00am (Moto 1) & 2.00pm (Moto 2)  NASCAR Nationwide Series Round 24 of the NASCAR Nationwide Series takes place at Atlanta Motor Speedway, a 1.5-mile quad-oval that ranks as one of the fastest venues on the stock-car circuit. Elliott Sadler, Ricky Stenhouse Jr and Sam Hornish Jr will continue their contest for the title, while Justin Allgaier should be in high spirits following his recent win in Montreal.- Sunday, 2 September 4.00pm V8 Supercars  Formerly known as Eastern Creek, Sydney Motorsport Park returns to the V8 Supercars calendar after three years away to host rounds 18 and 19 of the 2012 season. Craig Lowndes was a double winner at the previous event in Queensland, but its his Triple Eight team-mate Jamie Whincup who leads the way in the standings. Enjoy the latest Holden versus Ford clash on Motors TV.- Saturday, 1 September 1.40pm  British Rallycross The British Rallycross Championship travels to Lydden Hill for the second time this year with round four of the campaign taking place at the Kent venue. Julian Godfrey currently heads the points in his Fiesta ahead of Pat Doran and his stunning new Citroen DS3.- Wednesday, 5 September 8.00pm Inside Grand Prix  Inside Grand Prix previews F1s trip to Monza, one of the most iconic venues on the calendar and host to a race that comes hot on the heels of the popular Belgian weekend. Fernando Alonso will be keen to win Ferraris home event and boost his championship advantage heading into the end-of-season fly-away rounds.- Tuesday, 4 September 9.00pm