Like many runners, each evening I tell myself that I’m going to wake up at 5 a.m., get out the door at 6, and be home by 7.

Top picks for casual joggers and marathoners alike ...

Why it works: For runners with long-distance goals (10K or longer), 1,000-meter repeats are a great way to gain both speed and endurance benefits. The goal of the workout, according to Lemoncello, is ...