A blog by runners. For runners.

Use age grading to measure your running performance and progress


If your childhood was anything like mine, you grew up with distaste for red ink. You cringed when you saw red notes, symbols, and numbers etched into your finely crafted work. Thanks to our school teachers and their red pens—precariously dangled above the page like a surgeon’s scalpel—many of us shy away from advice. What […]