Reminder: The coupons are valid starting today! Enter to win 1 of 500,000 coupons for Buy 1 Chipotle Entree, Get 1 free! You’ll need to text a keyword they’ll announce then to 888-222 to get the coupon. Once the 500,000 have been given away this sweep will end! The coupon will be valid from October 29th through 31st.