7 Mistakes You're Making with Your Running Biomechanics (and How to Fix Them)

Let’s be real for a second: running seems like the simplest thing in the world, right? You put on some shoes, head out the door, and move one foot in front of the other. But then, three miles in, your knee starts Tweeting (not the social media kind), your hip feels like it’s made of rusty hinges, and you’re wondering why that person gliding past you looks like they’re floating while you feel like you’re wrestling the pavement.

The truth is, how you move: your biomechanics: matters. A lot. Most of us aren't born with "perfect" form, and many of us have picked up some "creative" habits over the years. At LOVE JOY RUN, we’re all about moving with purpose and keeping the joy in the journey. If you’re constantly battling niggles or feeling sluggish, it might not be your fitness; it might be your mechanics.

Let’s dive into the seven most common biomechanical blunders we see and, more importantly, how you can fix them without needing a PhD in kinesiology.

1. The "Long Leaper" (Overstriding & Low Cadence)

If there’s a "Grand Prize" for the most common running mistake, overstriding takes the trophy. This happens when your foot lands way out in front of your body. Think of it like this: every time your heel slams down ahead of you, you’re essentially hitting the brakes. It creates massive "braking forces" that travel straight up your shins and into your knees.

Usually, this goes hand-in-hand with a low cadence (taking fewer than 160 steps per minute). It feels like you’re covering more ground, but you’re actually just working harder to overcome your own momentum.

How to Fix It: Focus on your "RPMs." Try to increase your step count by about 5-10%. You don’t need to run faster; just take shorter, quicker steps. A great cue is to imagine you’re "running on eggshells" or trying to land your foot directly under your hips. Want to dive deeper into the basics? Check out our Essential Beginner Running Advice.

2. The "Hula Hip" (Poor Hip Control/Hip Drop)

Ever watched a video of yourself running and noticed one side of your pelvis dipping down every time you land? That’s called a "hip drop." It’s usually a sign that your glutes (specifically the gluteus medius) are taking a nap instead of doing their job.

When your hip drops, it puts a ton of stress on your IT band and your lower back. It’s like trying to drive a car with a flat tire: everything eventually starts to pull to one side.

How to Fix It: It’s time to show those glutes some love. Exercises like side-lying leg raises or "clamshells" are your best friends. When you’re out on a run, imagine there’s a level sitting across your waist and try to keep that bubble right in the middle. Staying injury-free is all about that lateral stability. For more on this, peep our guide on staying injury-free while running.

3. The "Knock-Knee" (Dynamic Knee Valgus)

If your knees tend to "kiss" or cave inward every time you take a step, you’re dealing with knee valgus. This isn't just a "knee problem": it’s actually a "hip and ankle problem" manifesting at the knee. When your stabilizers are weak, the knee takes the path of least resistance, which is usually inward. This is a one-way ticket to Patellofemoral Pain Syndrome (aka "Runner’s Knee").

How to Fix It: You need to strengthen your hip abductors and external rotators. Think "knees over toes," but in a good way. During your strength sessions, use a resistance band around your knees to practice keeping them pushed out. When running, visualize your knees as headlights that need to stay pointed straight ahead, never crossing paths.

4. The "Tightrope Walker" (Crossover Gait)

Are you landing on a literal straight line? If your left foot is landing where your right foot should be (and vice versa), you’ve got a crossover gait. It looks like you’re walking a tightrope. This narrow base of support increases the pull on your outer hips and can lead to those annoying lateral hip pains or even stress fractures if left unchecked.

How to Fix It: Think "train tracks," not "tightrope." You want a little bit of daylight between your feet as they pass each other. A simple trick is to find a line on a path (like a sidewalk crack) and try to keep one foot on each side of it. This simple shift in step width can take a massive amount of pressure off your joints. If you need some accountability to practice this, come join the conversation in our community discussion group.

5. The "Thumper" (High-Impact/Loud Landing)

Can people hear you coming from a block away? If your feet make a "slap-slap-slap" sound on the pavement, you’re likely absorbing way too much force. "Loud" running is usually a sign of a stiff ankle or a heavy heel strike. That sound is literally the energy of the impact vibrating through your bones instead of being absorbed by your muscles.

How to Fix It: Channel your inner ninja. The goal is "quiet feet." Try to run as softly as possible. Usually, increasing your cadence (back to Mistake #1!) naturally makes your landing softer. Strengthening your calves and soleus muscles will also help give you that "spring" instead of a "thud." Plus, quiet running is just more zen, right? It definitely helps with boosting mental well-being.

6. The "Twister" (Excessive Trunk Rotation)

Are your arms swinging across your chest like you’re trying to hug yourself? While a little bit of rotation is natural, excessive twisting means you’re leaking energy. If your upper body is flailing, your lower body has to work twice as hard to stabilize you. It’s inefficient and can lead to some seriously sore obliques and lower back issues.

How to Fix It: Your arms should move like a pendulum, not a washing machine. Keep your elbows at 90 degrees and think "hip to pocket." Your hands shouldn't really cross the midline of your body. Strengthening your core: specifically "anti-rotation" moves like the Pallof press: will help keep your torso stable so all your energy goes forward, not side-to-side.

7. The "Sticky Heel" (Late Heel Lift)

If your heel stays glued to the ground until the very last millisecond of your stride, you’re missing out on free power. This often happens because of weak calves or "lazy" ankles. Instead of "popping" off the ground, you’re "peeling" off it. This makes you slower and puts extra strain on your Achilles tendon.

How to Fix It: We need to build some "stiffness" in your ankles (the good kind!). Think of your lower leg like a pogo stick. Plyometric drills like pogo hops or single-leg jumps are great for this. You want to spend as little time on the ground as possible. If you're looking for a structured way to add these drills to your week, check out our guide on how to create an effective weekly workout plan.

Putting It All Together

Correcting biomechanics isn't about changing everything at once. That’s a recipe for a brain cramp (and probably a fall). Pick one thing to focus on during your next run. Maybe for the first mile, you just focus on "quiet feet." Then, the next mile, you think about "train tracks."

Running is a skill, just like playing the guitar or cooking a five-star meal. It takes practice, patience, and a little bit of self-awareness. But once you start moving with your body instead of against it, the "Joy" part of LOVE JOY RUN really starts to click.

Ready to put these fixes to the test? Whether you're training for the Best Damn Race Orlando or just want to feel better on your morning loop, we’re here to help. If you're feeling overwhelmed, working with an online coach can give you the personalized feedback you need to level up.

And if you want the simplest next step? Come run with us. Join the LOVE JOY RUN community, get some real-time form cues, and turn these fixes into habits—not just “good intentions.” Join the Run Club here:https://www.lovejoyrun.com/group/love-joy-run-group/discussion

Let's get out there and move better. We’ll see you on the path!

Love. Joy. Run.

Scan this QR code to join the LOVE JOY RUN Tampa club!