Training

WORKOUT ROUTINES

Are short routines a dream come true or too good to be true?

BUILD MUSCLE

Gain 15 pounds of muscle—not fat—your first year of college.
What makes a guy look powerful—and how to achieve it.
Here's how to pick a core exercise class at your gym.

ENDURANCE

We sat down with Dean Karnazes to talk training, food, and more.
The average 5K time for men, plus other key running stats.
The precise mathematical formula you need to train for a marathon.

CARDIO

New study finds THIS 4-week interval program can amp your speed.
New to spinning? Follow these three tips to get the most of it.

PRO TIPS

This week: the box jump
Fifteen habits for maintaining a strong and shredded body, 365.
The top 5 myths about running—debunked.