Love to shop online, but hate having to stuff your cart with things you don't even want just to score free shipping? Then ShopRunner may just be the membership service you need. This exclusive program offers free two-day shipping, free returns and members-only discounts at hundreds of popular retailers. What Is ShopRunner? Essentially, ShopRunner is a lot like Amazon Prime — but the program affords its members free expedited shipping at hundreds of stores for one annual membership fee.