
ALTERNATE ROUTES
U.S. Olympic marathoner Meb Keflezighi offers five ways to juice your training regimen without extra apparel—or overly taxing your body
Cross-Training
Use an elliptical bicycle in high-energy 45-minute intervals
Aquatics
Jog in a pool for an hour to improve lung capacity
Cycling
Ride for anywhere from 45 minutes to 1½ hours a day
Core Workouts
From planks to push-ups, core strength improves overall fitness
Partner Up
Running with someone helps you stay motivated and reach your goals more easily
PHOTO
STEVEN SENNE/AP (KEFLEZIGHI)
FIVE ILLUSTRATIONS