2 Common Reasons Runners Struggle to Lose Weight

April 29, 2025
By Matteo

Many run to lose weight but common mistakes could be holding you back. Discover how to adjust your running strategy for real fat-loss results.

Running is one of the most popular forms of exercise in the United States, with millions hitting the pavement regularly.

A significant number of these runners are motivated by the goal of shedding extra pounds. ut despite all the miles logged, many find themselves frustrated by the lack of weight loss progress.

So, how can something as calorie-burning as running not lead to fat loss?

The answer lies in a few common mistakes that limit the effectiveness of running for weight management.

1. Running at the Wrong Intensity

Many runners follow training plans that emphasize running at a comfortable, steady pace.

This approach makes sense for building endurance, reducing injury risk, and developing fat-burning efficiency.

However, it doesn’t always lead to a high calorie burn.

If your main focus is weight loss, it may help to increase your pace.

Running at around 70 to 75 percent of your maximum heart rate boosts energy expenditure without making your workout feel drastically harder.

You’ll burn significantly more calories even if you maintain the same duration.

You don’t need to eliminate slow runs entirely especially if you’re training for a race but incorporating short bursts of higher-intensity running or hill work can increase your overall calorie burn.

Even adding just 5 to 10 minutes of effort-based intervals into your runs can make a noticeable difference over time.

2. Pushing Too Hard and Overtraining

Another trap many fall into is doing too much, too soon. It’s easy to think that the more you run, the more weight you’ll lose.

But overtraining often leads to burnout or injury, which completely halts progress.

Injuries not only prevent you from staying active but can also affect your mood and behavior.

Many runners dealing with injury find themselves turning to food or alcohol for comfort, undoing any progress made before the setback.

Consistency is key. Rather than trying to burn as many calories as possible in one week, take a long-term approach.

Gradually increasing your weekly mileage and mixing in faster segments will yield better results over time and help prevent injury.

If you are interested in this topic, we have posted a full guide about running for weight loss with some extra useful tips to start your journey in the right way.

Final Thoughts

Running is a fantastic tool for fitness, but if your goal is weight loss, the strategy behind your workouts matters.

Training smarter by balancing effort, avoiding overuse, and staying consistent can help you unlock both performance improvements and the body composition changes you’re after.

Be patient with the process and focus on building sustainable habits that support both your health and your goals.

You Might Also Like

What a Marathon Really Does to Your Brain, According to New Research

New research shows marathon running causes a temporary drop in brain myelin but experts say this process may actually sharpen your brain long-term. Here's why that's good news for runners.

Mark Sisson’s 10 Primal Laws That Could Transform Your Health

Discover the 10 Primal Blueprint Laws that mimic our evolutionary past and provide a proven framework to help you eat better, move more, sleep deeper, and live a healthier, happier life starting today.

Heel Pain in Runners: Causes, Treatments, and Prevention

Discover the common causes of heel pain in runners, effective treatment options, and prevention strategies to keep you running strong. Learn when to seek professional help for persistent heel discomfort.

Shin Pain After Running? Here's What to Do

Discover effective treatments and prevention strategies for shin pain after running. Learn why runners experience shin splints, when to seek medical help, and how to return to pain-free running with proper techniques and exercises.

Can You Run With DOMS? Here's What Every Runner Should Know

Ever wake up sore the day after a tough run or gym session? That’s DOMS at work. Learn what it is, how to tell it apart from injury, and whether it’s safe to keep running through the soreness.

Running Cramps: How to Prevent and Treat Side Stitches During Your Run

Side cramps can derail even your best run. Learn what causes them, how to prevent them, and the breathing, fueling, and hydration tips that actually work.