LRRS New Hampshire's fastest racing on two wheels The Loudon Road Race Series features seven weekends of Championship Cup Series motorcycle racing at NHMS. The season spans April-October, starting April 27-28 and events run on the 1.6-mile road course. Over the years, LRRS has developed a reputation for having some of the closest and most intense racing on two wheels. A strong commitment to rider training and development has contributed to the quality of the LRRS programs.