The Unexpected Value of the “Bad Run"

Not every run feels good. Every experienced runner knows the feeling: heavy legs from the first step, bad weather, a route that falls apart, or miles that drag longer than expected. We run to chase the runner’s high, enjoy the outdoors, and stay active, but we still face the occasional “bad” run.

My experience

During marathon training, I had plenty of these. I felt discouraged when I missed my goal pace or couldn’t finish a grueling threshold workout. Burnout crept in and made me question why I even signed up for the race. Even when I did everything right, slept well, and recovered properly, I still had bad runs. I tried to compensate by pushing harder, when I should have shown myself more patience. I also let my Garmin metrics dictate how I felt, which only made things worse.

What bad runs actually do

Over time, I changed how I saw these runs. Bad runs don’t ruin your training; they reveal your resilience. Pushing through shows you what it takes to keep going when nothing clicks. It forces you to rely less on pace, splits, or data and more on effort and mindset. They prepare you for race day, when the pain inevitably hits. By mile 20, most runners want to quit and start doubting themselves.

Takeaways

Learning how to handle that feeling becomes one of the most valuable parts of marathon training. It teaches you to keep moving all the way to the finish line. Not every run needs to prove something. Some runs only require you to show up, push through, and keep showing up again. Marathon training doesn’t depend on perfect runs. It depends on consistency.

Looking back, I don’t remember the fastest runs most clearly. I remember the ones where everything felt off, and I finished anyway. While I didn’t feel faster after the run, I learned that I could overcome my mind telling me to give up and complete it anyway.