If you’ve ever pushed through a tough block on the treads and felt your lungs burning, that’s your cardiovascular system working hard. One way to measure just how hard it’s working, and how efficiently, is with something called VO₂ max.
What Is VO₂ Max?
VO₂ max stands for maximal oxygen uptake. It’s the maximum amount of oxygen your body can use during intense exercise. The higher your VO₂ max, the more efficiently your body can deliver oxygen to your muscles, which means better endurance, quicker recovery, and stronger performance across all areas of fitness.Think of it as a snapshot of your cardio health. And according to Healthline, improving your VO₂ max is linked to increased energy, better heart health, and even a longer life expectancy.

Why VO₂ Max Matters
VO₂ max isn’t just for elite athletes. Whether you’re training for a race, trying to keep up with your kids, or just want to feel better during your workouts, boosting your VO₂ max can help. Garmin highlights that even small improvements in your aerobic capacity can make your workouts feel easier and your results come faster.
That’s where Shred415 comes in.
How Shred415 Helps You Improve VO₂ Max
Our signature interval format blends treadmill work and strength training on the decks, giving you a powerful mix of cardio and conditioning that pushes your heart rate into the right zones for VO₂ max improvement.
Here’s how it works //
- Instructors who bring the energy
Our instructors are here to guide you, motivate you, and challenge you to go a little further, without pressure. Every class is built for you to take it at your own pace, with real-time support and encouragement.
- Tread intervals that challenge your lungs
Whether you’re walking, jogging, or running, the treads keep your heart rate elevated and train your cardiovascular system to work harder and more efficiently.
- Deck work that keeps your heart pumping
Working out on the decks isn’t just about building muscle. It keeps your body moving and your heart rate up between tread blocks, mimicking the kind of high-intensity circuit training that Healthline recommends for VO₂ max gains.
- Variety in class formats
Our different class formats give you the freedom to push your cardio limits or focus more on strength, depending on your goals. Either way, you’ll be improving your fitness in a smart, balanced way.

Train Smarter. Breathe Better. Shred Harder.
VO₂ max might sound technical, but the truth is simple, when you train smarter, you feel better. And at Shred415, we make that happen in a fun, fast-paced environment that keeps you coming back for more.
Want to feel the difference? Find a Shred415 studio near you and start working toward a stronger, more efficient you, one interval at a time.