Units of speed are always a unit of length per unit of time. Different units of length and time may be chosen depending on the situation. This makes it easier to read the measurements. For example, ...

Each line segment of a distance-time graph represents one part of a journey. A distance-time graph, sometimes referred to as a travel graph, is a way of representing a journey. It is helpful to have ...

Even if you’re a Strava refuser or a smartwatch shunner, the purest of purist runners invariably have an ideal finish time in their heads when they arrive at a start line. If you’re going to hit or go ...