https://maroffo.github.io/blog/tags/health/Recent content in Health on MaroffoHugo -- 0.155.3en-usThu, 01 Oct 2026 00:00:00 +0000https://maroffo.github.io/blog/posts/2026-10-01-much-ado-about-zone-2/Thu, 01 Oct 2026 00:00:00 +0000https://maroffo.github.io/blog/posts/2026-10-01-much-ado-about-zone-2/My watch buzzed at 144 bpm on a climb, and I had to decide whether to walk because the internet says Zone 2 is magic. So I read the papers. The 80/20 rule comes from athletes training 10 to 13 times a week; at three hours of running a week, the denominator changes the answer. Plus my own numbers, with the caveats they need.