I have been thinking about breathing for years and I only recently realised how badly I was doing it on the bike. Not in a crisis way — I could ride fine — but in that quiet, inefficient way where you never know what you are leaving on the table.
This episode is the result of about six months of experimenting with respiratory training tools, nasal breathing protocols, and breathing patterns during hard efforts. I am not a physiologist, but I have spoken to enough of them on this podcast to know that the diaphragm is one of the most under-trained muscles in a cyclist's body. It is a muscle. It fatigues. And when it fatigues, it starts stealing blood from your legs — a phenomenon called the respiratory metaboreflex. That is why your legs can feel like concrete on a long climb even when your cardiovascular system still has capacity.
I walk through three practical areas. First, nasal breathing on easy rides. I started doing this about four months ago and it has completely changed how I regulate intensity on zone two days. If you cannot hold nasal breathing, you are probably not in zone two. Simple as that.
Second, inspiratory muscle training. I have been using a device for thirty breaths twice a day and the difference in how my breathing feels at threshold is noticeable. Less panic, more control, later onset of that gasping sensation.
Third, breathing rhythm under load. Syncing your exhale to your pedal stroke sounds gimmicky until you try it on a five-minute climb and realise your core is more stable and the effort just feels quieter. Not easier — quieter.
None of this replaces intervals or base miles. But it is the kind of marginal work that compounds over a season when everything else is already dialled.
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