Travis Barker is putting us all to shame! Just days before turning 50, he ran a 5k and performed for a packed crowd all before lunch Sunday. TMZ obtained video of the drummer ran his personal best 19 minutes and 14 seconds before shutting down the 3rd Street Promenade in Santa Monica for the hyped-up brunch crowd. We're told fellow Blink-182 band member Mark Hoppus and UFC Champion Chito Vera were also on hand to show their support. Even celebs need a calm, relaxing reset every now and then ...