To see your rewards coupon(s) on the Fleet Feet app, please log in, and click the "Rewards" present icon, on the bottom middle of the home page. Here you will be able to see the coupons you have earned and the coupons you have already redeemed.
To see your coupon(s) on Fleetfeet.com, simply log in here https://www.fleetfeet.com/user/login, and scroll to the bottom of the page that loads. A section called "Rewards" will state whether, or not you have a rewards coupon available.