The so-called 'runner’s high' is the feeling of euphoria felt by athletes during or after vigorous exercise. For many years, sport scientists couldn’t prove whether it really existed or whether it was simply people feeling good while exercising.

Here's what you need to know:

Rush of Euphoria

Runner's high has been described as an intense rush of euphoria, often compared to the 'high' induced by some drugs.

For some people, it’s an intense feeling of happiness while others may even cry. This is most likely a feeling of satisfaction or even relief, as they pass over the finish line.


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Release of Endorphins

Sport scientists have worked for years to shed light on this phenomenon, hoping to find a biochemical explanation for the anecdotal runner's high. It had been suspected that exercise could prompt the release of endorphins, which could explain the mood changes described by athletes.


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The Verdict

For a long time  the only way to test if endorphins were present in the brain was by a spinal tap. This method made it simply impossible to test athletes before and after exercise. That was until 2008 when a research team from Germany published a paper in the journal Cerebral Cortex, reporting that they had found an accurate method for measuring endorphins before and after exercise.

In the experiment, twelve athletes were scanned and the level of endorphins in their brains measured. Then they completed a two hour run, and were scanned again afterwards. The findings showed that "the level of endorphins was significantly increased after running".

Finally, the debate can be laid to rest: runner’s high is fact, not fiction.


The Role of Proper Running Shoes

While experiencing the runner’s high is exhilarating, it's essential to equip yourself with the right gear to ensure your body is well-supported throughout your runs. Wearing the right running shoes plays a crucial role in preventing injuries, improving performance, and maintaining comfort over long distances. 

The latest innovations in ASICS running shoes are designed to offer optimal cushioning, stability, and breathability, allowing you to focus on your run without discomfort or distractions. Investing in a quality pair of running shoes that match your foot type and running style is one of the best ways to enhance your overall running experience.

Equally important is choosing the right running apparel. Lightweight, moisture-wicking materials keep your body cool and dry, helping to regulate temperature during intense workouts. 

Whether it’s a breathable tank, compression shorts, or weather-resistant gear, the right running apparel allows you to move freely while staying comfortable. ASICS offers a wide range of running clothing designed to improve your performance, no matter the distance or terrain. With the perfect combination of shoes and apparel, you'll not only feel better physically but can also focus on achieving that runner's high with every stride.


Get your high

We recently launched a tool that helps everyday athletes experience the uplifting power of sport! And, at the same time to be part of the world’s first live study into the impact of movement on the mind.

It's called the  MIND UPLIFTER™ TOOL...Using a combination of facial scanning technology and self-report data collection, people are able to capture the impact of sport across 10 emotional and cognitive metrics – including confidence, positivity, calm and focus – to see how different sports impact how they think and feel. Learn more here.