Runner's World - April 2013 issueBuild a fitter body with tailored workouts to increase strength, boost flexibility and sidestep injury. All this and more in our April 2013 issue!Subscribe online now and you'll also receive full access to all our

fitness, even if you wind up not significantly increasing your mileage.When two runs beat oneDuring a base-training period, when you’re trying to build general endurance, longer single runs provide the stimulus you’re looking for. But once you’ve built

was. It was just awesome, really fun. It was especially significant being in London; every time you walked through a British crowd, they were so enthusiastic and having it all over the TV was great.What was your injury beforehand?I got spiked in late