Jake Gyllenhaal is The Running Man

Jake Gyllenhaal stays in shape, running with his personal trainer in Los Angeles on Thursday morning (January 8).

The 28-year-old actor wore clothes from all the different sporting brands! Jake wore Adidas sleeveless tee, Nike athletic shorts and New Balance sneakers. He even covered up his mane of hair with an Adidas beanie!

On Tuesday, Jake was spotted eating at Mozza for lunch sans girlfriend Reese Witherspoon.

10+ pictures inside of the Running Man Jake Gyllenhaal…