How Does a Walk on a Treadmill Compare to a Walk Outdoors?
Whether you hot girl walk at the gym or around your neighborhood, here's what you should know.
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When it comes to fitting in daily movement, there's not much that can beat walking. It's an accessible, adaptable, and equipment-free activity that can be squeezed into even the busiest schedules. And while getting outdoors in the fresh air and sunlight has a ton of unmatched benefits, sometimes hopping on a treadmill or walking pad is more manageable, especially in bad weather.
But knowing how walking on a treadmill might compare to logging steps in the great outdoors can help you make the most of your walks. There are pros and cons to both settings, which can advise you when trying to choose between them or can serve as motivation for getting your steps in, no matter where you are. Walking has many benefits beyond the physical, according to Juliet Rodriguez, a Life Time Oakbrook Personal Trainer and Corrective Exercise Specialist. "As we know, walking, in general, offers many benefits beyond cardiovascular health; things like mood and cognitive function, coordination and balance, can improve," she says.
Related: The 12 Best Treadmills of 2024, Tested & In-Depth Reviewed
Benefits of Walking Outside
Taking your walks outdoors adds variety, fresh air, sunlight, and multiple benefits for your physical and mental health. Here's a breakdown of the big plusses:
Muscular Engagement, Balance, and Coordination
It's no surprise that walking outdoors comes with several extra advantages beyond the physical, but there are unique benefits for your body that come with natural terrain. "No two steps are exactly the same, especially on a trail versus on a road or sidewalk; you get slightly different muscles engaged, which can help reduce overuse injuries, and you may even engage more muscle groups outdoors versus a treadmill," explains Dr. Theresa Shoemaker, a physical therapist with Teton Therapy in Wyoming.
Several research studies back this up: Walking on uneven and complex surface conditions provides unique challenges that boost coordination, muscular strength, balance, and quality of life, helping build the motor skills that prevent falls in your later years.
Heads Up!
Walking outside on uneven terrain can create discomfort if you are not used to walking on cement or uneven ground, according to Rodriguez. Starting with short walks and adapting to your environment will be the easiest way to work up to longer walks without discomfort. "Make sure you have the right pair of shoes for outdoor walking versus a treadmill," says Rodriguez.
Mental, Emotional, and Cognitive Effects
"While there are many physical benefits, many people forget about the mental and emotional support walking can provide for you, gaining clarity in your mind and reducing external stress such as work, family, and friend drama," says Jen Rulon, MS, a triathlon coach and 15-time triathlete.
Plenty of research shows that being in outdoor environments, especially green and blue (moving water) spaces, lowers stress levels, boosts mood, positivity, and working memory, reduces anxiety, increases feelings of calmness and creativity, and helps give your brain a much-needed break. "Just by the change in environment, you release endorphins — chemicals that enhance your mood and even release stress," says Rodriguez. Researchers also believe the feel-good hormone oxytocin is behind these effects, as it promotes feelings of safety, calmness, and peace.
Walking outside is also a great way to connect with a community or friends. "Walking around your neighborhood could create a better feeling of community as you meet people on your walks, especially with remote work limiting face-to-face social interactions," Rodriguez explains. Rulon suggests instead of meeting for coffee or lunch, meet your friends or date at a park or a beach nearby to get some steps in and connect.
Related: The Best Cold Weather Walking & Running Gear for Winter Miles
Sunlight Exposure
Sunny environments stimulate Vitamin D production in the body, which has a host of health benefits. "There is a beautiful correlation between natural sunlight and sleeping better — when a person wakes up with the sun and "shuts down" as the sun sets, the body is on a natural circadian rhythm," says Rulon.
Your circadian rhythm is like your body's internal clock that regulates your sleep and wake cycles. It's highly sensitive to light exposure, with natural, bright light boosting wakefulness and setting you up for a restful sleep later. Walking in the sun, especially in the morning, is an excellent way to support your natural rhythms and sleep quality.
Vitamin D has several other crucial functions in the body. It is essential for the normal growth and development of bones and contributes to overall health, helping to prevent disease and boosting immune system function.
Related: We’re Proponents of a Chilly Girl Walk — Here’s Why
Disadvantages of Walking Outside
Despite the advantages of venturing outside your four walls, there are some cons to be aware of when walking outdoors.
For one, access to the outdoors or safe walking spaces can be limited, especially in the absence of sidewalks or during icy conditions. "The most complex challenge is if you live in a cold weather environment, whether it is snowing, windy, or rainy, the opportunities to get outside for a walk may be more challenging," says Rulon. Plus, in the winter, when the nights are long and days darken early, walking outdoors can be hazardous.
Things like the environment, crime rates, wildlife, and other threats can make outdoor walking less safe. In these cases, bringing a friend along for safety can be a wise choice.
Overcoming Outdoor Walking Challenges
Walk earlier when the sun comes up before your work day starts to avoid walking in the dark.
Use reflective gear and lights to ensure better visibility.
Bundle up with warmer clothes, gloves, scarves, and beanies. Plan to wear layers; as Rulon points out, you can heat up by 10 degrees while walking. "Once you get moving, the body will warm up, and you may start taking off layers," she says.
Yaktraks or spikes on shoes to prevent slips, according to Shoemaker. "Walkers can also use a walking stick if unsteady," she adds.
Wear sunscreen and moisture-wicking materials in warm weather, and focus on hydration.
Always let someone know where you are going and when you plan to be back.
Stick to well-lit and populated areas. Rodriguez recommends public tracks.
Benefits of Walking On a Treadmill
Treadmills offer a convenient alternative to outdoor walks but also have their own unique advantages to consider.
Convenience and Accessibility
When colder, darker, or rainier weather threatens your step count, the treadmill is at the rescue. "The beauty of going to the gym or using a treadmill is that you have no excuse; you can't complain that it is too cold or dark, you can get on the treadmill when that gym opens, and if you have a treadmill at home, or after the kids go to bed.
Shoemaker points out another bonus: You can multitask more efficiently. While not necessarily ideal, if you have a super busy schedule, walking on a treadmill can allow you to check a few more things off your to-do list, such as a meeting, an important call, or catching up on some reading material for work. Although not necessarily the most stress-reducing way to use your walking time, it can mean the difference between being sedentary or obtaining the benefits of activity and may boost your focus and energy at the same time.
Related: The 8 Best Under-Desk Treadmills and Walking Pads of 2024, Tested and Reviewed
Control Over Your Workout
Treadmills have the advantage of offering more control and tracking of your speed and can measure changes over time. "Tracking these changes may help progress speed and time as it is easier to measure," says Shoemaker. You can also control your incline and try out new and trendy workouts, such as the 12-3-30 method, or slow it down and imbibe in some TV watching for cozy cardio.
Most treadmills come with built-in programs that provide different types of training without the need for manual programming. One such program is "hills," which challenges the user with varying inclines. You have the freedom to adjust the incline if you want to add more intensity to your workout. Combining a higher walking speed with an increased incline can create a Zone 2 heart rate workout, according to Rodriguez. Zone 2 heart rate training has a ton of benefits, such as improving metabolic health, cardiorespiratory function, and longevity.
Related: Here's What to Know About Heart Rate Training Zones
Joint-Friendly
Newer treadmills generally have shock absorption technology. So if you have creaky joints or need added cushion when you walk, you may find walking on a treadmill more comfortable than getting your steps in outside, Rodriguez points out.
Disadvantages of Walking On a Treadmill
Despite their convenience, treadmills have some cons. Obviously, by not enjoying the natural gifts of the outdoors, on the beach, in your neighborhood, or on trails, you'll be missing out on the benefits only fresh air, green or blue spaces, and sunshine can provide, including vitamin D synthesis, circadian rhythm regulation, improved mood, reduced stress, and so on.
You can also get pretty bored on a treadmill, which, even with the most trendy of workouts, can be monotonous after a while. "Treadmills can feel a tad under-stimulating when it comes to the environment since they are in one place and the view is the same the entire time; it could feel repetitive and make for an unmotivating workout," says Rodriguez, who recommends planning ahead for what you will do during your walk, such as reading an e-book, listening to a podcast, or watching a show.
Plus, Shoemaker points out that you likely have to "work harder" to get the same benefits as outdoor walking. "To achieve the same workload, you need to keep the speed consistent but increase the incline by 1-2% to mimic "flat" outdoor walking," she says.
How to Make the Most of Your Treadmill Workout
Rulon provides the following tips for making the most of your treadmill workouts:
Find Your Why: Why are you exercising? Is it to be around longer for your kids or grandkids? Or maybe you want to feel amazing as you change your life or prepare for a big event, such as a wedding or a graduation. “Finding your Why” is truly powerful because it can make it easier to get to the gym.
Grab a Good Pair of Headphones: Listen to your favorite podcast or put your favorite playlist on if you need to jam. It can make the time go by more quickly.
Change the Incline and Speed: Want to challenge yourself? Here is a quick treadmill workout to try: 5-minute warm up at 1%, at a comfortable walk, 5 minutes at 1.5-2%, increase the speed by .5 mph, and repeat this every 5 minutes until you run out of time OR you can’t keep the speed up at the pace of the incline. Don’t forget to add a 5-minute cooldown.
The Bottom Line—Which Is Better?
Walking — whether taking in natural scenery or striding on a treadmill — is an impactful way to care for your physical and mental health. But deciding between the two isn't always easy or even possible, depending on where you live, the climate, or whether you have access to safe outdoor spaces. Treadmills offer a safe and effective alternative for increasing activity and can boost blood flow, focus, and energy during breaks from sitting. But when the sun is shining and fresh air beckons, outdoor activity is hard to beat. Combining the positive effects of natural environments with physical activity amplifies nearly all the health benefits of walking.
Each has perks and downsides, but there's no reason to stick to only one method. Mix things up and go with what keeps you motivated and feeling good. Whether you're all about those outdoor adventures or prefer the purr of the treadmill (maybe paired with your fave TV show), finding what keeps you moving is what's best.
Related: The 30-Day Treadmill Challenge to Build Speed, Power, and Endurance
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