Mysuru: Three young riders from Mysuru-based Chamundi Horses put up an impressive show at the ‘Hoofbeat Marathon’, Maharashtra State Endurance Championship, held from Feb. 6 to 8 at Karjat                                   in Maharashtra. L. Kshaminaam Urs, 14, a student of Sadvidya High School, Mysuru, completed the 40-km endurance ride on his horse ‘Bheema’ in 3 hours and…