Can You Build Muscle When You Run? Experts Explain.
CARDIO AND STRENGTH TRAINING workout routines tend to be concept to be purposeful for distinct capabilities: Running is for transferring your physique, burning energy, and training your coronary heart, and hitting the iron is for building energy and muscle. That is the supposed disclose of the arena. That acknowledged, you would see a jacked guy on the notice or toddle and shock about his routine. Can you form muscle by simply working?
The brief answer isn’t any—a minimum of now not in the identical blueprint that energy coaching can. You mustn’t request to experience the identical stage of muscle enhance by occurring runs that you may maybe most certainly by lifting weights. But there are some cases the place you would see some muscle enhance from working.
“If you’re untrained and you get some working, you may maybe see extra lean physique mass,” says Mike Nelson, Ph.D., C.S.C.S., an companion professor at the Carrick Institute. “But for folk that are more educated, working potentially isn’t going to be a gigantic sufficient stimulus to straight elevate lean physique mass.”
If you’re already educated, the form of working workout you get may maybe even get a dissimilarity on the functionality muscle-building benefits. “Any person that has a factual low of persistence working would now not acquire hypertrophy stimulus from a protracted period, lower depth sprint,” says Dr. Pat Davidson, an grunt physiologist. “They may maybe potentially need the upper depth, shorter period sprint. It be very population particular.”
As Davidson notes, there particular kinds of working workout routines can befriend elevate the size of your quads, and sub in for some challenging-to-pick up gym equipment (depending to your stage of experience and physiology). And pounding the pavement may maybe reduction the outcomes you see from your lifts in the gym. Nelson, Davidson, and Percell Dugger, a working coach and founding father of Fit for Us, visual show unit how.
How Running Does (and Doesn’t) Build Muscle
There aren’t a ton of be taught with regards to working and muscular hypertrophy, but the few that exist inspire Nelson up: In a little 2017 look of untrained 19- and 20-365 days olds, working excessive depth intervals three days per week for 10 weeks increased the size of the subjects’ quadriceps by 10 p.c. An amazing older look that examined older, untrained men saw guys in their 60s and 70s elevate their quad size by 9 p.c after six months of standard narrate working.
The reason these rupture of muscle beneficial properties don’t continue, Nelson says, is expounded to the quantity of time your muscle groups are below stress. If you happen to’re energy coaching, the muscle groups you educate are below stress for everything of a repetition.
“Running creates more of an impulse load or impact load, which is going to be actually, actually transient,” Nelson says. Even supposing the impact shall be gigantic—four to six instances your physique weight—the impacts don’t add up to as great time below stress as you’d get from a pair of fashions of resistance coaching workout routines, he says.

Who you are and the form of working you get is also crucial in the case of how great muscle enhance you would very successfully be ready to yield from your efforts—but all yet again, you could bear very particular expectations for the vogue far those beneficial properties will plug.
“Excessive depth sprinting can lead to muscle hypertrophy,” Davidson says. “Is it the most express direction in direction of sizable muscle hypertrophy? No.”
“That you just can get to the identical shuttle space by the motorway or the byways, and there are byways that may maybe steal you to muscle building, but lifting weights with progressive overload on fashions that get shut to failure, clearly, is the motorway,” Davidson continues. “Basically the best methodology is something that brings you shut to failure. Is that a factual methodology in the route of sprints? Potentially now not. So it is now not checking the wonderful sequence of containers, but I mediate that it potentially assessments sufficient containers for the label for anabolism to come by.”
In diversified phrases, you can form muscle the utilization of particular kinds of working workout routines—but when your necessary coaching aim is to add more mass, there are more express and effective paths to produce your targets.
Precisely what your targets are change into crucial whenever you are thinking about what you are hoping to get out of your sprint coaching (and any diversified workout, too). Exact for the reason that transient impacts of working aren’t building critical muscle size in diversified parts of the physique doesn’t mean they aren’t making the legs stronger, in accordance with Dugger.
“To mediate that [world champion marathoner] Eliud Kipchoge isn’t great, you’d bear to bear a extremely restricted conception of what energy is and what it methodology,” he says. A perception that working will get you less great, he says, holds many men inspire from doing cardio coaching that would income their health and successfully-being—and their energy coaching.
Exact which strategy of working doesn’t get you greater, Dugger says, doesn’t mean this may maybe robotically get you smaller. Surely, it will befriend your resistance coaching work better.
How Running Can Make stronger Muscle Constructing (and Level to Your Muscle)

Whereas working doesn’t form a ton of muscle tissue on its like, it will befriend with muscle enhance in the prolonged sprint, Nelson says—as prolonged as you are pairing it with resistance coaching.
There are two causes this may maybe be the case: First, working increases your aerobic capacity, or your ability to recover like a flash from a bout of work. “If you gaze at somebody who has a contaminated VO2 Max or aerobic capacity, they’re potentially going to be restricted by lawful how great quantity they’ll get in the gym which strategy of they’ll’t recover,” he says. Running builds this capacity, so you’ll bear more gas in the tank to get more fashions, more reps, and more quantity whenever you’re lifting. And all that adds up to more muscle.
The 2d reason is also connected to persistence. If you happen to sprint, “you will bear more local capillarization,” Nelson says. If you happen to get aerobic coaching, your physique makes more capillaries to your muscle groups. This elevate in little blood vessels increases the blood plug in conjunction with the sprint to your muscle groups.
Why that matters: “Let’s disclose you’re doing a residence of leg extensions, as an example. One day, you’re now not getting sufficient blood plug in conjunction with the sprint there, so you’re now not getting sufficient oxygen to the muscle. Therefore, it turns into painful and it is miles important to discontinue,” he says. “In conception, for folk that’ll be ready to get more blood plug in conjunction with the sprint to that muscle, you are going to be ready to get more work and form more muscle.”
Do now not be so enthusiastic that supplementing your energy coaching with working will slash into your attainable for beneficial properties, as is incessantly concept to be the case. A 2021 systematic evaluation of 43 be taught published in Sports Medication concluded that “concurrent aerobic and energy coaching doesn’t intervene with the come of maximal energy and muscle hypertrophy when put next with energy coaching on my own.”
In general, this methodology that you shall be ready to mute get energy and muscle beneficial properties whereas you educate for persistence, too. And for folk that are primarily an persistence working-focused athlete, alongside side the sorts of more intense working protocols shall be specifically valuable, in accordance with Davidson:
“If we’re talking about an persistence runner, their energy coaching may maybe thoroughly be hills, stadium stairs, sprints,” he says. “That is per chance more particular to working for them, for the muscle groups they need for hypertrophy, with out hypertrophy in diversified areas that will be lawful excess weight that is now not valuable and potentially snide.”
What Roughly Running Can Build Muscle

Determined kinds of working can bear an produce and even befriend parts of your energy coaching routine. One amongst those strategies? Taking to the hills.
“For somebody who has been doing sled pushes, plug pick up a steep hill, and sprint up it as like a flash as you are going to be ready to,” Dugger says. “I promise you: Your coronary heart and your mind will actually feel admire you’re carrying a 500-pound sled or wearing a 50-pound vest.”
For guys who don’t bear access to that equipment, or who desire to get outside, this more or less hill work can supply the identical excessive-depth, muscle-building finishers as dear sleds, he says. Nelson has the same opinion. When put next to sprinting on flat land, which may maybe lead guys to suffer injuries after they’re now not passe to natty speeds, hill work affords the same, intense work whereas making trainees plug slower, he says.
One caveat, he says: Running downhill is a truly diversified beast. This form of work is taking into consideration diversified muscle groups than whenever you ascend. Your quads are engaged on the vogue up, whereas your lower legs (mediate calf and shin muscle groups) will endure more of the burden on the vogue down. So for folk that’d deserve to swap in hill sprints, desire a steep hill to sprint up a pair of instances every week. But be comely: Stroll inspire down the hill forward of sprinting all yet again.
Every other attainable working-adjoining methodology to building more muscle: The drills that you most certainly utilize to warmth up sooner than an intense workout. “There may maybe be some adjunct stuff that I mediate nearly all runners shall be aware of, admire bounding and hops, even squat jumps and things admire that, which also can bear more of a muscle stimulating produce,” says Davidson.
Overall, lawful be aware that your targets will dictate the place you may maybe bear to grunt your time and vitality—and what you request out of your workout routines. If building muscle is your final purpose, you are going to be focusing the bulk of your attention on energy coaching with a progressive overload program. Running can yield some beneficial properties, but you would deserve to push challenging.
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Greg Presto is a fitness and sports reporter and videographer in Washington, DC.
Brett Williams, NASM-CPT, PES, a senior editor at Men’s Health, is a licensed trainer and passe knowledgeable football participant and tech reporter. That you just can pick up his work in numerous locations at Mashable, Thrillist, and diversified retail outlets.







