Who also ran her first marathon at 14? Americans need to shape up and start marathoning earlier in life:
Bai, just 20 years old, ran her first marathon at age 14 and was in her 11th on Sunday.
Bai was in her fifth marathon in a year and third in 2009 (previously placing 13th in Nagoya and seventh in Dailan). The World Championships was her first marathon outside of Asia.