How to Blast Past Your Biggest Fitness Challenges

On Sunday, 25-year-old Tatyana McFadden will line up with 45,000 other runners in the starting corral of the Bank of America Chicago Marathon. But this champion marathoner (she’s won Chicago four times and holds the women’s wheelchair course record, in addition to being a Paralympics sprinter) has had to work harder than most of her fellow competitors to get where she is today. Read the full story on Shape.com.