Out here on the trail, with the rhythm of the earth beneath my feet and the sky wide open above me, breath becomes more than just function—it becomes a guide.

Nasal breathing during cardio—especially while hiking or exercising at elevation—is one of the most powerful ways to train your body and mind. When you breathe through your nose, you filter, warm, and humidify the air. You increase nitric oxide production, improve oxygen uptake, and build CO₂ tolerance—all of which support cardiovascular endurance and cognitive clarity.

Being outdoors amplifies these benefits. The terrain challenges your body. The altitude asks more of your lungs. And nature? Nature reminds your nervous system how to come back home.

Watch this short clip of a recent hike and follow along with a few nasal breathing drills you can use the next time you’re out moving.

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Nasal Breathing: Your Built-In Altitude Training Tool