Now in its second year, the Polytrack Challenge, sponsored by Martin Collins, will continue during the French all-weather season, but with a couple of rule modifications, France Galop announced on Tuesday. The two race categories remain unchanged, the sprint/mile division and the intermediate/Classic division will each offer the €40,000 to the winners at the end of the season, with the finals at Cagnes-sur-Mer. The points scale will be as follows for the Prix Irish River (Nov. 3), Prix Luthier (Dec. 4), Prix Lyphard (Nov. 26) and Prix Arcangues (Dec. 19):...