Most reasonably fit people can train properly for a marathon in 16 weeks. But even if you’re one of the fittest people on Earth, you cannot train properly for a marathon if your travel schedule looks the way Lance Armstrong’s did in the four months
, and they all get so much from listening to each other; it's very motivational," he says.2. Go the extra mile If you haven't changed your race distance since you started triathlons, then the chances are your training hasn't change much, either. Even if you
