Nature’s gym: The health benefits of exercising outdoors

Fitness & Sports Health

by Dr. Mark Millard

Aug 12, 2025

Looking for a way to refresh your workout routine and boost your overall well-being? Stepping outside for a workout can be a refreshing change from a gym or indoor workout class. Whether it’s a brisk walk, a bike ride or a morning jog, the health benefits of exercising outdoors go beyond just fitness.

If you're thinking about starting a new exercise routine or simply looking to be more active, heading outdoors can be a great option—just be sure to check with your healthcare provider first to ensure it's the right choice for you.

Let's take a closer look at a few reasons why you should head outside and get moving .

The physical health benefits of outdoor exercise

Trading the treadmill for a trail or an indoor cycling class for an outdoor bike ride does more than just change the scenery. It can enhance your fitness in different ways, from burning more calories to strengthening your cardiovascular system, outdoor exercise offers unique benefits that indoor workouts can’t match.

Enhanced calorie burn

Outdoor environments offer natural elements such as hills, wind and uneven surfaces that can challenge your body in new ways. These added factors can increase energy and calorie burn, often more than a treadmill or indoor workout class. Plus, being outdoors can keep you moving longer and distract you from watching the clock.

Improved cardiovascular health

Exercising outdoors, such as running, cycling or hiking, can elevate your heart rate and improve your cardiovascular endurance by working your body across varied conditions. This type of movement supports cardiovascular health, helping lower blood pressure and reduce the risk of heart disease.

Boosted immune function from exposure to natural sunlight

Spending time outdoors may also benefit your immune system. Moderate exposure to natural sunlight can help your body produce vitamin D, a nutrient that plays a vital role in immune function, bone health and mood regulation.

The mental health benefits of outdoor exercise

Exercise is physically good for your body, but it’s just as powerful for your mind. Being in nature can help ease stress, lift your mood and bring a sense of calm when life feels overwhelming. Even just a short walk or a few deep breaths outdoors is enough to help you feel more at ease.

Nature can reduce stress

Spending time outside has been shown to reduce cortisol levels – the hormone responsible for stress. Just 20 minutes of outdoor activity can significantly lower stress, boost your mood and help you feel more relaxed.

Reduced anxiety and improved mood

Studies show spending time outside can significantly reduce anxiety and stress levels. It is always a good thing to spend time outside surrounded by trees, fresh air and natural sounds. They can help ease anxious thoughts and lift your mood. Gentle activities like yoga, Tai Chi or even a few deep breaths while stretching in the grass can help you feel more centered when life feels overwhelming.

Better sleep

Exposure to natural light during the day helps regulate melatonin production, which is important for a healthy sleep rhythm. Regular outdoor activity can help you fall asleep faster and enjoy deeper, more restorative sleep —especially if done in the morning or early afternoon.

Outdoor exercise and vitamin D

One of the most well-known benefits of exercising outdoors is the natural boost in vitamin D levels. This essential nutrient supports bone health, immune function and regulates your mood. Just 15 to 20 minutes in the sun a few times a week can make a big difference, especially for those who spend most of their time indoors.

While sunlight can be beneficial, it’s important to remember to always protect your skin. Try to work out early in the morning or in the evening to avoid higher levels of UV rays and be sure to wear sunscreen, sunglasses or a hat when needed. This way, you can still enjoy the benefits of exercising outdoors without risking sunburn and protecting your eyes.

5 tips to get started exercising outdoors

Ready to take your workout outdoors but not quite sure where to begin? These simple tips can help you ease into a new routine, stay safe and make the most of your time outdoors.

1. Start with what feels doable

If you're new to outdoor workouts, begin with low-impact activities such as walking, light jogging or cycling. These are accessible, require minimal equipment and can be done almost anywhere. Just be sure to wear a well-fitted bike helmet.

2. Plan your route

Plan a route in advance that feels safe, comfortable and is easily accessible. Parks, walking trails or your neighborhood are all great options. Aim for early mornings or evenings as they can be cooler and quieter, which can make your workout more enjoyable. Plus, you’ll avoid the harshest sun of the day.

3. Dress for comfort and protection

Wear breathable clothes, supportive shoes and a hat. Sunglasses can help, too - especially if you’re outside for more than a few minutes.

4. Stay hydrated

Even a little movement can make you sweat – especially in the Texas sun. Drink plenty of water to avoid getting dehydrated and be sure to bring water with you, especially on warmer days. Staying hydrated helps your body keep up and recover easily, so you can feel your best during and after your workout. If you are going to be outside in the heat for more than an hour, electrolyte supplements may help replenish the salt and potassium you lose in sweat.

5. Make it your own or make it social

Some of us enjoy a quiet walk or a peaceful bike ride by ourselves. Others find motivation in community. You might join a local run club, try an outdoor yoga class or invite a friend to catch up over a walk. There’s no right way to move – just the way that feels right for you.

Ready to take your workout outdoors?

Whether you’re looking to refresh your routine or simply enjoy a change of scenery, outdoor exercise offers more than just physical benefits. It’s a chance to move your body in a way that feels good and supports your overall health.

From improved cardiovascular health to reduced anxiety and better sleep, the advantages are clear. So, lace up your shoes, step outside and let nature be your gym.

For more healthy habits and wellness tips delivered to your inbox, subscribe to the Scrubbing In newsletter today. 

About the Author

Mark Millard, MD, is a pulmonologist and medical director at the Martha Foster Lung Care Center. Dr. Millard developed the "Rules of Two®" to help determine if your asthma is under control. Get to know Dr. Millard.

We make it easy.

Healthcare doesn't have to be difficult. We're constantly finding ways to make it easy so that you can get Better and stay that way.

Better tools make it easier

We all have different healthcare needs. Handle them your way with the MyBSWHealth app. Download the app today and take a hands-on approach to your healthcare.

Text Better to 88408