I started running outside when I was at ’Biggest Loser.’ Then I got runner’s knee, and thought I was never going to be able to shake it. When I overcame that and ran the L.A. Marathon, it was such an amazing thing, and now running is such a part of my routine.

Sweeney frames running as a hard-won habit born from a public, structured fitness environment (“The Biggest Loser”) and tested by injury. The arc—starting, getting “runner’s knee,” fearing permanence, then recovering to complete the L.A. Marathon—casts endurance as both physical and psychological: progress requires patience, rehabilitation, and belief that setbacks aren’t final. The marathon functions as a symbolic milestone that converts exercise from a temporary goal into an identity-supporting routine. The quote also reflects a common fitness narrative in which overcoming injury becomes the turning point that makes a practice sustainable, not merely aspirational.