Can you improve your VO₂max?
Absolutely. In fact, that’s probably the good news you’ve been waiting for. VO₂max is trainable, and especially in the early stages of your training journey, improvements can come surprisingly quickly. Your body becomes more efficient at taking in and using oxygen, and you’ll often notice the difference in your training sessions.
These improvements come from targeted training stimuli. Think of higher-intensity intervals that push you slightly outside your comfort zone, balanced with easier efforts and regular endurance training.
That said, it’s important to remember that progress doesn’t continue indefinitely. At some point, improvements start to level off. Not because you’re doing anything wrong, but because you’re getting closer to your personal ceiling. And that’s completely normal.
How quickly will you see results?
That mainly depends on your starting point. If you’re relatively new to training, you may notice changes within a matter of weeks. Your breathing feels easier, your pace becomes more sustainable and your recovery improves. If you’re already well trained, progress tends to be more subtle. Fewer significant jumps and more small gains that gradually add up over time.
How is VO₂max measured?
The most accurate way to measure VO₂max is through an effort test, where your oxygen uptake is analysed while wearing a mask during an incremental exercise test.
Most athletes today rely on estimates from their sports watch. These calculations use data such as heart rate and performance metrics. While useful, they don’t provide a complete picture. Think of them as a tool to track trends and progress rather than an exact measurement.