Why are more and more athletes wearing nasal strips at HYROX?

Why are more and more athletes wearing nasal strips at HYROX?
Walk into any HYROX event and you’ll see them everywhere. At the start line, during the runs, and deep into the race, more and more athletes are wearing nasal strips. Not as a trend, but as a deliberate performance choice.
HYROX keeps your heart rate elevated for long periods with almost no true recovery. Running, functional workouts, and fast transitions constantly push your system. As fatigue builds, breathing is often the first thing to break down. And once your breathing becomes inefficient, performance quickly follows.

Why breathing becomes the limiter
During intense efforts, many athletes automatically switch to mouth breathing. It feels logical, but it’s often less efficient. Breaths become faster and shallower, your heart rate rises, and the sensation of breathlessness appears sooner. 
Nasal breathing helps maintain a calmer, more controlled rhythm and supports better oxygen delivery. The problem is that under high intensity, the nasal passages can narrow, turning the nose into a physical bottleneck right when your body needs more air. That’s where nasal strips make the difference.

How nasal strips support performance
A nasal strip gently lifts the nasal walls, increasing the effective airway and reducing breathing resistance. This allows more air per breath and helps you maintain nasal breathing longer, even under fatigue.
It doesn’t increase your fitness or replace training. Instead, it removes a limitation that shows up when the race gets tough. It helps you stay controlled, efficient, and rhythmic when others start to lose it. And in HYROX, control is everything.

Choosing the right strip
Not every nasal strip is built for competition. Many are designed for sleep and won’t hold up under sweat, movement, and heavy breathing. A performance strip needs strong structural lift and reliable adhesion so it stays in place throughout the entire race without distraction.

Why more athletes are using them
HYROX athletes already optimize everything from shoes to pacing and nutrition. Breathing is simply the next logical step. Performance nasal strips are race legal, easy to apply, and work immediately. You put it on once and it does its job without demanding attention.

Conclusion
HYROX is about maintaining efficiency under fatigue. When breathing becomes the weak link, everything else suffers. A performance nasal strip helps keep the airway open, lowers resistance, and supports a calmer breathing rhythm when the pressure is highest. Not to add capacity, but to protect it. And sometimes, protecting your performance is exactly what wins the race.