Milk Jug Racing is bringing its mountain bike spring training series back in 2008 with 3 different racing venues, every other week, beginning Wednesday, April 30, 2008. There will be a total of 3 races next Spring 2008, with 1 race at each location. Greenville's Shearer Road Trail, Ionia State Recreation Area and Cannonsburg Ski Area are on the docket in 2008.