* In Austin, TX, the promotion starts on Thursday, March 24 and ends on Monday, April 4. Promotion available while supplies last. Terms and conditions apply. Free ride offer only available in select markets at participating locations. Promo code provides one free ride, up to $10, for new or existing Uber users on trips that start or end at participating locations. Expires 4/4/16. NCAA and March Madness are trademarks of the National Collegiate Athletic Association.