Here's the five biggest events you need to keep your eye on Thursday at the Rio Olympics. Click here for more detailed schedule and TV information.
Swimming
Men’s 200 individual medley final
The two most decorated male swimmers of all time will close the book on their storied rivalry. Michael Phelps and Ryan Lochte will square off in the 200-meter individual medley, an event in which they finished 1-2 in London four years ago. This will likely be the final time these two compete, as Phelps has said he’s all but assuredly done with competitive swimming after these Games.