Chris Martin Works Up a Sweat in NYC

Chris Martin is all smiles while on a run around the city on Friday (September 23) in New York City.

The 39-year-old Coldplay front man went cool and casual in sweats and colorful sneakers as he worked out.

PHOTOS: Check out the latest pics of Chris Martin

Chris has been in NYC for the past few days preparing for his performance at the Global Citizen Festival over the weekend before heading overseas to continue Coldplay‘s world tour.

10+ pictures inside of Chris Martin running around NYC…