EPISODE · Jan 21, 2026 · 1H 30M
Between Two Thresholds: Everything you need to know about Zone 3
from The Physiology of Endurance Running Podcast · host Dan Nash and Owain Zerilli
Dan & Owain return with the next installment of the training zone series, talking all things Zone 3, or alternatively the Heavy Domain.What some people call "threshold" - this zone exists between two clear physiological anchor points, but still has a lot of confusion surrounding what happens in this zone, and how to undertake training here.The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out here:https://www.soarrunning.com/ Check out our Patreon, with exclusive bonus content here:https://www.patreon.com/cw/TheEnduranceCollective You can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7
What this episode covers
Dan & Owain return with the next installment of the training zone series, talking all things Zone 3, or alternatively the Heavy Domain.What some people call "threshold" - this zone exists between two clear physiological anchor points, but still has a lot of confusion surrounding what happens in this zone, and how to undertake training here.The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out here:https://www.soarrunning.com/ Check out our Patreon, with exclusive bonus content here:https://www.patreon.com/cw/TheEnduranceCollective You can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7
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Between Two Thresholds: Everything you need to know about Zone 3
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