There are lots of factors to consider beyond your physique and genetic predisposition.
Improve your aerobic capacity with this threshold session.
Don't lose touch with your speed when training for longer distances.
It's important to give your body the rest it needs after a race, writes Mario Fraioli.
We asked an elite runner, a nutritionist and a coach how they fuel for 26.2.
With marathons happening every weekend this time of year, it's hard not to be inspired.
Don't go faster than you should just because you're feeling good!
Build race-specific strength and endurance and improve your mental game with this challenging workout.
Make this tried-and-true marathon-specific session work for you!