Grindstone MX Park Track and Trails. We are located in Hamilton Missouri. One hour North of KC. Gates open at 8am sign up starts at 9am Fees: Gate $6.00 pp. 10 and under:65 and older Free Sign up : $25.00, $30.00 A class, $15.00 each additional Always call before you haul!!! 816-820-1974 Chris http://groups.msn.com/Grindstonemxpark Shannon See you at the races!!!