Groupe Go Sport raised its sales by 3.1 percent to €182.7 million in the 1st quarter, with increases of 2.1 percent in France and 14.5 percent in Belgium and Poland. In France, sales grew by 0.5 percent to €142.7 million for the Go Sport chain, but they were off by 1.5 percent on a same-store basis. The Courir chain of athletic footwear shops improved sales by 13.5 percent to €40 million, and its same-store sales raced ahead by 16 percent.