Hayley Birch collects some tips on nutrition, training, psychology, and more.
Hayley Birch takes marathon training to an extreme level.
Hayley Birch’s advice for anyone tackling their first 26.2 miles.
Hayley Birch subjects herself to a slew of tests in order to determine whether she—or anyone else—was born to run, and to improve her performance. Can she beat her target time?