Joaquin Phoenix & Rooney Mara Work Up a Sweat at Martial Arts Class

Joaquin Phoenix leads the way as he and Rooney Mara leave a martial arts class on Sunday afternoon (July 14) in Los Angeles.

The rumored engaged couple both sported martial arts gear as they kicked off their day with an afternoon workout.

PHOTOS: Check out the latest pics of Rooney Mara

After their workout, Rooney and Joaquin headed to Cryotherapy – or cold therapy – for a post-workout healing session.

Joaquin Phoenix‘s upcoming Joker movie is set to hit theaters on October 4 – watch the trailer here!