Running Pain Warning Signs is a free, fast-read ebook for injury-prone runners who want to train more without letting small aches turn into forced time off. In under an hour, you’ll learn how to spot the early warning signs in your stairs, warm-up, stride, and next-day recovery so you can make smarter decisions before pain becomes a layoff. Built around the Signal Stack framework, this guide helps you sort what’s normal from what’s worth attention by looking at timing, pattern, and cost. You’ll learn what it means when pain fades as you warm up, keeps showing up on the same side, changes your stride, or feels worse the next morning. The goal is simple: help you keep running more consistently by catching the signal earlier, with less guessing and less panic. If you’ve been repeatedly sidelined by recurring aches, this ebook gives you a practical way to read your body sooner and protect your training momentum.