On today's episode of the Trainiask podcast, Justin from California asks how to train using heart rate zones as a training metric when you already have what seems like a pretty high heart rate.  In other words, how does a person lower their heart rate?...

On today's Trainiask podcast, Taren answers a triathlon question from a nameless Trainiac.  He wants to know about training on a treadmill, and if there's a good way to convert MPH to minutes per mile/KM for speed training....