Why do I run so slow?
Sarah Richards
Published Apr 21, 2026
Common Reasons Why You are Running Slow
Not getting enough quality sleep. Experiencing too much stress. Not eating enough calories. Low iron levels.Why is my running speed so slow?
When it seems like you're getting worse at running, yet completing all of your training, it's likely caused by something in your lifestyle. Lifestyle is the most likely reason why you might be running slower. Stress, sleep, diet and so much more can have a profound impact on running.Is it OK to be a slow runner?
Running is the same no matter how fast or slow you areThat's the beauty of our sport. There is no difference between the runner who breaks 30 minutes for the 5k for the first time and the one that breaks 16 minutes. Both worked hard, sacrificed to achieve their goal, and experienced the same challenges.
Why is it so hard to run fast?
Over the course of a sustained run at half-marathon pace or faster, the amount of energy (and thus oxygen) needed to maintain that pace gradually inches upward. Over the course of 10-20 minutes, your oxygen consumption can drift upward by as much as 25 per cent, making it progressively harder for you to hold your pace.How do I increase my running speed gradually?
Interval trainingWarm up for 10 minutes by jogging slowly. Then run a high-intensity pace (where you can't hold a conversation comfortably) for 2 to 5 minutes. Jog for the same amount of time to recover. Repeat 4 to 6 times.
9 Reasons You're Running Slow (and how to fix them)
Is it better to run faster or longer?
The more you run, the better your aerobic base gets. And when you build a large aerobic base, you improve your capacity to endure for longer and farther before you start to fatigue. Running faster means, you are building your stamina to be able to run at faster paces. Stamina comes from 1.How long until running get easier?
Give yourself at least three months to see progress.Usually, the first thing beginner runners want to know is exactly when running will get easier. It's different for everyone, but most people discover a turning point once they can run for about 30 minutes consecutively.