Learn the secrets that can help any runner improve their pace.

Let’s travel back to the Paris Olympics—the women’s marathon event in particular. Twenty kilometers into the race, Sifan Hassan of the Netherlands was holding her pace and biding her time. “The moment ...

Perhaps, after your last marathon, you had this epiphany: “If I train a little harder, I bet I can get a proof of time that could get me into Boston!” Without the ability to run specific qualifying ...