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Why am I getting worse at running?

Author

Mia Kelly

Published Jan 09, 2026

You're Running Too Hard

After too many days of hard runs, you'll likely see your pace decrease and your level of fatigue and exertion increase. This is a red flag that you're pushing it too hard and would benefit from a break. Be sure to schedule easy runs into your weekly routine.

Why am I suddenly worse at running?

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 it getting harder to run?

If running feels ridiculously hard all the time, most experts agree that it's probably due to you doing too much, too soon. Research shows that your body “hits a wall” when it's depleted of glycogen stores in the muscles and liver, which results in fatigue and low energy.

Why am I not getting better at running?

You're not doing the right types of runs

If you're serious about getting faster, you need more strategy. The best running schedule has variety. It involves a bit more than running the same 4 mile loop each day. For best results, try a mix of longer runs, shorter runs, hill repeats, and HIIT running workouts.

Why am I getting slower at running?

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. If your lifestyle habits are not congruent with your running goals, it's probably time to make some changes.

15 related questions found

Can slow jog lose weight?

Not only you will shed the pounds and trim down your waistline, but also yield tremendous health benefits from jogging in place - such as improving your aerobic fitness, reducing your risk of chronic disease, etc. It will also help you build muscles, including your quadriceps and hamstring muscles.

Is it good to jog everyday?

Running every day may have some health benefits. Studies show that running just 5 to 10 minutes each day at a moderate pace may help reduce your risk of death from heart attacks, strokes, and other common diseases.

How can a beginner improve running?

Choose a Training Plan

  1. Train three days a week.
  2. Run or run/walk 20 to 30 minutes, two days a week.
  3. Take a longer run or run/walk (40 minutes to an hour) on the weekend.
  4. Rest or cross-train on your off days.
  5. Run at a conversational pace.
  6. Consider taking regular walk-breaks.

How can I run longer without getting tired?

Run 10 minutes at a comfortable pace to warm up. Run 6 x 2 minutes at a very challenging pace. Follow every interval with one minute of walking and one minute of jogging to catch your breath and recover. Cool down by running at a comfortable pace for five minutes then walk for three minutes.

How many days a week should I run?

Most experts agree that beginners should plan to run three to four days per week with at least one day of complete rest and optional cross-training on the other days. The duration of your initial run/walk sessions should be 20-30 minutes, increasing the percentage of time spent running in subsequent workouts.

Why is running so addictive?

Running can be particularly addictive because of what is known as “runner's high,” the elated feeling that results from hormones in the body getting released from physical activity and endorphins. A new study looked at the increase in physical injuries that can result from an addiction to running.

Will running get easier?

The good news is yes. Running becomes easier as your body develops and adapts to the demands you place upon it. If you run regularly, your legs get stronger, your heart gets stronger and is more able to pump the blood and energy-carrying oxygen to the muscles in your legs.

How long does your body take to get used to running?

In addition, if you're young—let's say in your 20s or 30s, and if you only have 10 or fewer pounds you'd like to lose (or none), then you'll likely start adapting to running in 2 to 3 weeks of consistent training.

What is a good distance to run everyday?

Beginning runners should start with two to four runs per week at about 20 to 30 minutes (or roughly 2 to 4 miles) per run. You may have heard of the 10 Percent Rule, but a better way to increase your mileage is to run more every second week. This will help your body adapt to your new hobby so you don't get hurt.

Is it better to run by time or distance?

Running by time often works better if you are on a tight schedule, while running by distance can push you to stay motivated. If you typically run at a consistent pace, your mileage and speed will likely be the same no matter which approach you choose. Better yet, use both methods.

Is a 2 mile run a day good?

Running statistics show the health benefits of running 2 miles a day include weight loss, improved heart and lung capacity, a natural mood boost, a stronger immune system, reduced risk of chronic diseases and even a longer life.

Is running good for stomach fat?

Studies have found that moderate-to-high aerobic exercise like running can reduce belly fat, even without changing your diet ( 12 , 13 , 14 ). An analysis of 15 studies and 852 participants found that aerobic exercise reduced belly fat without any change in diet.

What is a runner's body?

The more muscle you have, the more calories your body burns throughout the day. This is good for your metabolism, but not good for a runner. A runner's body is more concerned about going the distance and running as efficiently as possible.

Can you get a flat stomach by jogging?

Can running make you lose belly fat? Running is an incredibly effective fat burning exercise. In fact, when it comes to losing weight, it's difficult to beat. According to data from the American Council on Exercise, a runner who weighs 180 pounds burns 170 calories when running for 10 minutes at a steady pace.

What do runners do on rest days?

“I recommend 2 tips for the best active rest day for runners: Cycling and Hiking. Cycling provides a good light exercise for runners on their rest day because the motion is similar to running with little to no impact on the joints. The goal of cycling should be to ride comfortably in the low intensity on the rest days.

Why am I gaining weight while running?

It's not uncommon to gain a few kilos when you start ramping up your runs, like when you're training for your first marathon. Your muscles respond to the elevated effort level by storing more glycogen, which binds with water in your muscle cells to keep you fueled and can tick the scale up by one or two kilos.

Is running on the spot the same as running?

Running in place requires different muscle movements than normal running. It doesn't use the same body mechanics as regular running, so you'll be using your muscles in different ways. Running in place doesn't require you to use the muscles that propel you to move forward.

What if I jog 30 minutes a day?

There are a ton of reasons for this: improved circulation, lower blood pressure, a better balance of good and bad cholesterol, lower stress hormones. Your quality of life will also be higher; a basic level of fitness has been linked consistently to better brain and memory function in later years.

What is runner's stomach?

Runner's stomach occurs when our digestive system experience a large amount of agitation from the act of running or high-endurance exercise. There are certain diet tips you can follow to avoid having an accident mid-run. Photograph courtesy of Shutterstock.