Aerobic training
Zone 2 and steady-state aerobic exercise for endurance runners. Every Running Weekly story on aerobic training, newest first. 6 stories since September 2026.
- Holmer flags WHOOP data where sleep regularity moved the numbers
Resting heart rate fell and HRV rose across 38,838 app users, and sleep duration did not change at all.
- Holmer flags study putting physical peak near age 36
Losses run roughly 1% a year after the peak and more than 2% a year by 63, but activity changed the slope, not the timing.
- Magness and Bitter push back on "jogging wrecks your knees"
A viral post told people to walk and sprint and skip everything in between. Two well known names in running answered it the same day.
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- Magness says the fastest kid sets the recovery pace, and that is the problem
The easy day is only easy for one runner on the team, and everyone else is chasing it.
- "Zone 2 is a psyop" post gets shredded by Holmer and Bitter
One runner's 4:34 mile became the internet's training argument of the week.
- Study says 40 minutes in a 104F bath matched zone 2 work
Hot water immersion matched moderate aerobic exercise on one blood-vessel measure after 12 weeks, and the post posting it says a bath still does not replace running.
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