Olympia Sports announces the July 14th Grand Opening of its 225th store at Market Basket Plaza in Londonderry, NH. Olympia Sports in Londonderry at Market Basket Plaza will celebrate the Grand Opening with a 20% off entire purchase sale July 14th - August 2nd. Free Olympia Sports Londonderry t-shirts will be given to the first 300 customers beginning July 14th while supplies last. Through August 2nd you can also enter to win a $500 Olympia Sports gift card. Store hours are Monday through Saturday 9:00 a.m. to 9:00 p.m. and Sunday 10:00 a.m. to 6:00 p.m.