REI stores hosting 12-week training programs; win a team entry and prize package valued at $11,000SALT LAKE CITY and SEATTLE – Outdoor specialty retailer and the nation’s largest consumer co-op REI has announced a two-year partnership with the Ragnar Trail Series presented by Salomon, the country’s premier overnight trail relay series. As the official outdoor retailer for the series, REI ?stores will host in-store and field training classes and have a presence at races during the 2016 season.