Why Do Runners Get Black Toenails? (And How to Prevent Them)
If you’ve ever finished a long run only to find a sore, bruised, or blackened toenail, you’re not alone. Black toenails — often called runner’s toe — are so common that many runners consider them a rite of passage. But while they’re usually harmless, they can also be painful, frustrating, and, let’s be honest, not…
