Your next trip with UberX can take you so much further.
Just take a ride to earn 400 points.
Select members will earn a one time bonus of 400 Marriott Bonvoy points per a Qualifying Transaction. To qualify for and earn this limited time offer, a Marriott Bonvoy Member must complete a Qualifying Transaction by June 8, 2022 at 11:59 PM Eastern Time.
Seems to be targeted to Marriott members who have their Marriott and Uber accounts linked.