Many runners believe their natural stride could be improved. Here’s what to know before trying to change yours. By Christine Yu Want to get better at tennis? Fine-tune your serve. Swimming? Perfect ...

Whether you’re lacing up for a 5K or gearing up for a longer endurance race, if you want to get faster, you have to do both longer runs and speedwork sessions to train your aerobic and anaerobic ...

Easy running, by definition, should feel easy. But as any runner knows, those long, slow runs can sometimes be the most difficult of a training program—both mentally and physically. Some good news: ...