For most runners, it feels obvious that running boosts overall well-being. A growing body of scientific research confirms the health benefits of running. The gains touch your health, cardiovascular system, brain, bones, mood, and more. Here’s a clear overview of what running really does for you.
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Physical inactivity, a major public health challenge
Physical inactivity is one of the leading risk factors for mortality and is linked to millions of deaths every year. Unsurprisingly, the WHO identifies inactivity as a global health issue. It encourages the promotion of physical activity and highlights, among other options, the benefits of running.
Running, even though it does come with an injury risk, remains hugely popular. And the benefits start fast, after just a few minutes: lower blood pressure, a faster metabolism, and a real sense of well-being.
One study showed a 35% reduction in mortality risk with only 25 minutes of running per day. You would need to walk four times longer to get the same result. The “sweet spot” for health benefits would be reached with around 40 minutes of easy jogging.
The benefits of running for your brain
We often hear about endorphins released by the brain when you run. But that is far from the only thing happening upstairs.
Physical activity improves learning and memory in both humans and animals. Research suggests a positive impact on cognitive function, especially later in life. There is a link between aerobic capacity, hippocampal plasticity, and memory.
Running and meditation may also trigger similar effects on beta-endorphin and cortisol release. Aerobic sessions lasting 20 to 40 minutes can reduce anxiety and improve mood for several hours, whatever your baseline anxiety level.
Sleep improves too, runners tend to fall asleep more easily. Unless you do a very intense session after 8 pm, which can overstimulate the nervous system.
Why combining nutrition and training matters
Evidence keeps growing on the benefits of running for brain function. An active lifestyle could help prevent or delay age-related cognitive decline, or decline linked to neurodegenerative disease.
Recent research suggests that exercise effects on the brain may be amplified when paired with omega fatty acids or plant-based polyphenols. The potential synergy between a healthy diet and physical training supports cellular renewal, neuron development, and vascular function.
In other words, the health benefits of running get even stronger when your lifestyle supports your training.
Better cardiovascular function, one of running’s biggest health benefits
Improved cardiovascular function has been proven time and again. Running increases the size and number of capillaries (especially with easy aerobic base training). Heart rate drops, as does blood pressure, while cardiac output improves both at rest and during exercise. Improving VO2max also supports better pulmonary capacity and oxygen delivery.
Most importantly, running helps lower “bad” cholesterol and reduces the risk of cardiovascular disease.
In short, exercise activates key physiological mechanisms that support long-term well-being. We see lower risks of immune-related diseases, certain cancers, and diabetes. More broadly, physical activity, and running in particular, contributes to a stronger, better-regulated immune system.
The benefits of running for bone health
Many people think running causes bone or joint issues. In the short term, yes, injuries can happen. But overall, running loads your muscles, tendons, and bones, and they get stronger as they adapt to the stress.
Running can also improve posture, especially when combined with strength training. If you have back pain, for example, it might come from poor posture or not enough daily movement. In that context, researchers have shown better bone density in runners. So the real danger for bone density is inactivity, not running.
That makes running an excellent way to fight osteoporosis, like this South African grandmother who started running after 70. If your doctor tells you the opposite, point them to the studies listed at the end of the article.
How to maximize running’s health benefits while limiting injury risk
Each year, running injuries affect between 30% and 50% of runners. Keep in mind this includes everything, even a mild calf strain that resolves in a few days. Most injuries are linked to doing too much, too soon, or following an unsuitable training plan. Serious injuries are uncommon. And sudden deaths during races are extremely rare, with an incidence of 0.39 per 100,000 runners [12].
So the benefits of running clearly outweigh the risks. Overall, the best health outcomes are typically seen with about 20 to 50 km per week. Beyond that, it is not necessarily risky if you’re well trained, but there is no additional health benefit. At best, higher mileage may further increase self-esteem and well-being.
Just be careful not to slip into overtraining, which increases stress on the body and can contribute to fatigue and acid-base imbalance. The principle of gradual progression is essential. If you want to truly adapt, avoid increasing your yearly mileage by more than 25%.
With all these good reasons, you can feel even more confident about your choice to run, or to start running soon.
At RunMotion Coach, we want to give back to running everything it has given us. We truly believe in the health benefits of running, and also in its power to help you take on challenges.
That’s why we believe everyone deserves training that matches their situation and goals. We have also developed corporate running programs. Feel free to contact us at contact@run-motion.com to learn more.
A few study references on the benefits of running:
Kohl HW, Craig CL, Lambert EV et al. The pandemic of physical inactivity, global action for public health. Lancet
Wen CP, Wai JP, Tsai MK et al. Minimum amount of physical activity for reduced mortality and extended life expectancy, walking, running, or a mix? J Am Coll Cardiol. 2014
John S. Raglin. Exercise and mental health. Sports Medicine. 1990
Boutcher SH. Landers DM. Effects of vigorous exercise on anxiety, heart rate, and alpha activity in runners and non-runners. Ners. Psychophysiology. 1988
Bernward Winter, Caterina Breitenstein, High impact running improves learning. Neurobiology of Learning and Memory. 2007
Kim JH, R Malhotra, Chiampas G, et al. Cardiac arrest during long-distance running races. N Engl J Med. 2012
Johannes Wildmann, Arnd Krüger Increased circulating beta-endorphin immunoreactivity correlates with changes in pleasure sensation after running. Life Science. 1985
Henriettevan Praag. Exercise and the brain, something to consider. Trends in Neurosciences, 2009