All right, it’s a provocative story title, by design. But I’m serious too — if you’re into running, do intervals already. If you run with any meaningful regularity, you are already making a huge effort, you know the joy and the pain of running. Why not raise the quality of some of your miles? Intervals will be a transformational experience in your running journey, trust me.
I recently ran a sub-3-hour marathon and I brag a lot about it. You can read about it here: