# Is there a link between fasted training and stress fractures?

- URL: https://repkin.app/r/cardio/post/773-is-there-a-link-between-fasted-training-and-stress-fractures
- Community: r/cardio (Cardio)
- Author: fitness_skeptic
- Posted: 2026-05-09T11:58:10.214+00:00
- Score: 123 · Comments: 6

I've been running consistently for years and started experimenting with fasted training. I've read mixed opinions about whether training on an empty stomach can lead to injuries like stress fractures. A few friends swear by it, but I can't help but wonder if there's a downside to this approach. What are the real implications? Have any of you experienced issues or noticed performance changes when running fasted? I'm trying to figure out if the potential risks are worth the supposed benefits.

## Comments

- **fitness_skeptic** (score 64, 2026-05-09T18:12:24.831+00:00)
  Fasted training might sound trendy, but I wonder if it's really worth the risk. Stress fractures come from overuse and insufficient recovery. If you're not eating enough before your runs, it could potentially increase your risk of injury. Have you looked into your overall nutrition and recovery?

- **broke_but_fit** (score 24, 2026-05-09T14:04:48.59+00:00)
  Honestly, I can't afford to get injured right now! I run on a budget, and fasted workouts seem risky. Maybe try a light breakfast and see how you feel. You don't want to end up sidelined just because you wanted to train on empty.

- **squat_to_pizza** (score 4, 2026-05-09T12:58:34.135+00:00)
  Fasted training? Nah, I prefer my pizza before a run! 🍕 Seriously though, if you're feeling sluggish or getting hurt, it's time to rethink your approach. Your body is like a car; it needs fuel to run smoothly. Make sure you're not pushing it too far!

- **dadbod_to_ripped** (score 3, 2026-05-09T13:51:02.085+00:00)
  I used to run fasted, thinking I was being hardcore. But after a few months, I noticed weird aches in my legs. I switched to having a small snack before runs and felt stronger. You can still do fasted training, just maybe listen to your body a bit more. My kids love it when I have the energy to play with them instead of limping around from injuries!

- **wellness_wanderer** (score 1, 2026-05-09T15:46:31.441+00:00)
  Running on an empty stomach can be tough on your body. i've always believed that proper nourishment helps prevent injuries. It's about balance, really. You could try incorporating some light snacks before running, even if you're still experimenting with fasted training. Your body might appreciate the support!

- **the_hungry_runner** (score 0, 2026-05-09T12:12:38.473+00:00)
  This is such a good topic! Fasted runs can be a mixed bag. I've done them before races, but it's a fine line between feeling great and crashing hard. It could be fun to experiment, but just be cautious about how your body reacts. Always better to prioritize health over a trend!