{"id":1615,"date":"2026-08-11T11:45:56","date_gmt":"2026-08-11T11:45:56","guid":{"rendered":"https:\/\/trainerplan.co\/help\/?p=1615"},"modified":"2026-08-13T17:19:09","modified_gmt":"2026-08-13T17:19:09","slug":"automatic-threshold-detection","status":"publish","type":"post","link":"https:\/\/trainerplan.co\/help\/en\/trainer\/general-en\/automatic-threshold-detection\/","title":{"rendered":"Automatic Threshold Detection: Zones That Keep Up with Your Fitness"},"content":{"rendered":"<p>Your training zones are only as good as the thresholds behind them. Get fitter and your old zones quietly become too easy; lose form after a break and they become too hard. TrainerPlan now watches this for you: every synced workout is analysed, and when your data shows your threshold has changed, TrainerPlan tells you \u2014 with a one-click update.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/trainerplan.co\/help\/wp-content\/uploads\/2026\/01\/zones-auto-threshold.png\" alt=\"Zones page in TrainerPlan with the Auto-update threshold &#038; zones switch\" \/><\/figure>\n<h3 class=\"wp-block-heading\">How it works<\/h3>\n<ul class=\"wp-block-list\">\n<li>Every time a workout syncs in \u2014 from Garmin, Wahoo, Suunto, COROS, Polar, Apple Watch or a manually imported FIT file \u2014 TrainerPlan computes your power, heart-rate and pace curves.<\/li>\n<li>When a sustained effort suggests your real threshold is higher (or lower) than the one in your settings, TrainerPlan creates a <strong>threshold suggestion<\/strong>.<\/li>\n<li>You get a notification with the detected value. Open it and choose <strong>Accept<\/strong> to update your threshold \u2014 your zones recalculate automatically \u2014 or <strong>Dismiss<\/strong> to keep your current value.<\/li>\n<\/ul>\n<p>Nothing changes without your say-so. TrainerPlan suggests; you decide.<\/p>\n<h3 class=\"wp-block-heading\">Why this matters<\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Accurate zones, always.<\/strong> Zone targets in your planned workouts stay matched to your current fitness \u2014 no more doing \u00abZone 2\u00bb that is really Zone 3.<\/li>\n<li><strong>Honest training load.<\/strong> Effort and fitness calculations are built on your thresholds. Keeping them current keeps your fitness, fatigue and form chart honest.<\/li>\n<li><strong>No test protocol required.<\/strong> Threshold tests still work great, but the detection picks up breakthroughs from your normal training \u2014 races, hard group rides, that surprisingly fast tempo run.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\">Prefer it fully automatic?<\/h3>\n<p>On the athlete&#8217;s <strong>Zones<\/strong> page there is an <strong>Auto-update threshold &amp; zones<\/strong> switch. Turn it on and TrainerPlan accepts detected thresholds for you and recalculates the zone boundaries automatically \u2014 no notification to action. Leave it off (the default) and every change waits for your approval.<\/p>\n<h3 class=\"wp-block-heading\">For coaches<\/h3>\n<p>Suggestions for your athletes reach you too, so you stay in control of their zone settings. TrainerPlan also keeps a <strong>threshold history<\/strong>, so you can see how an athlete&#8217;s threshold has evolved over the season \u2014 a progress chart in itself.<\/p>\n<h3 class=\"wp-block-heading\">Where to check your current thresholds<\/h3>\n<p>Your thresholds and zones live in <strong>Profile \u2192 Zones<\/strong>. If you prefer to set everything manually, that works exactly as before \u2014 automatic detection is a safety net, not a requirement. To learn about choosing zone calculation methods and reusable zone templates, see our guide on <a href=\"https:\/\/trainerplan.co\/help\/en\/trainer\/general-en\/set-up-training-zones-methods-templates\/\">setting up training zones<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Your training zones are only as good as the thresholds behind them. Get fitter and your old zones quietly become [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[164],"tags":[],"class_list":["post-1615","post","type-post","status-publish","format-standard","hentry","category-general-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Automatic Threshold Detection: Zones That Keep Up with Your Fitness - TrainerPlan Help<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trainerplan.co\/help\/en\/trainer\/general-en\/automatic-threshold-detection\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Automatic Threshold Detection: Zones That Keep Up with Your Fitness - TrainerPlan Help\" \/>\n<meta property=\"og:description\" content=\"Your training zones are only as good as the thresholds behind them. 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