The incident is generating some controversy regarding pregnancy and running.
They are doing it to raise money for children's fitness programs.
Some scientists don't think so.
We sat down with the book's author, Dr. Mike Moreno, to help us answer this question.
Manipulating your training to avoid performance stagnation and keep it fun is the best way not just to moderate cortisol, but to avoid
Matt Fitzgerald explains which are most beneficial.
There’s a reason former football players don’t win marathons.
Energy gels are essential for properly fueling during a marathon, but don't always taste great or settle well.
Competitor Magazine columnist Susan Lacke reflects on lessons learned after 30 days without coffee.