Susan Lacke takes her running up a few levels by tower running the Empire State Building. Let Susan inspire you to push your own boundaries in this chapter from her new book.
The theory that shoes cause most biomechanical problems has been proven wrong.
Use this flow chart to assess if you're ready to start marathon training and what your next step should be.
Are you training the wrong way for ultramarathon? Jason Koop is head of coaching at CTS and shares the top four training mistakes he sees ultrarunners make.