Most people who quit running did not lack willpower. They made a few predictable mistakes that turned something doable into something miserable. Here are the five that end the most running journeys, and how to dodge them.

1. Going too fast The big one. Beginners sprint, get destroyed, and conclude running is not for them. Almost every run should be slow and conversational. Slow running is not a lesser version of the sport. It is the foundation of it.

2. Doing too much, too soon From zero to running every day is a recipe for shin splints. Increase your distance or time by no more than roughly 10 percent a week, and keep rest days sacred. Your enthusiasm will outrun your tendons, and your tendons always win the argument.

3. Wearing the wrong shoes You do not need expensive shoes, but you do need ones that fit and are not five years old. Worn-out cushioning is a fast track to sore knees. A visit to a running store for a proper fitting is one of the best early investments you can make.

4. Comparing yourself to everyone The runner who blows past you has likely been at it for years. Your only competitor is the version of you that stayed on the couch. Strava and Instagram make slow progress feel like failure. Ignore them.

5. Treating one bad run as proof Every runner has terrible days where legs feel like concrete. Beginners read these as a verdict and quit. Experienced runners shrug and try again Thursday. A single bad run means nothing. Quitting because of it means everything. Show up again, slower, and the habit survives.