{"id":93081,"date":"2025-05-21T13:24:34","date_gmt":"2025-05-21T11:24:34","guid":{"rendered":"https:\/\/runlovers.it\/?p=93081"},"modified":"2025-05-21T01:14:42","modified_gmt":"2025-05-20T23:14:42","slug":"training-at-the-right-time-how-your-body-clock-shapes-your-performance","status":"publish","type":"post","link":"https:\/\/runlovers.it\/en\/2025\/training-at-the-right-time-how-your-body-clock-shapes-your-performance\/","title":{"rendered":"Training at the Right Time: How Your Body Clock Shapes Your Performance"},"content":{"rendered":"

Some mornings you wake up feeling like a squirrel on an energy drink binge\u2014ready to take on the world and crush your pace. Then there are others when the mere thought of putting on your running shoes feels like watching a slow-motion episode of Severance<\/em> on repeat. Spoiler: it\u2019s not just your fault (or your alarm\u2019s). It\u2019s your body clock<\/strong>\u2014or more precisely, your circadian rhythm<\/strong>.<\/p>\n

What Is the Circadian Rhythm?<\/h2>\n

The word \u201ccircadian\u201d comes from the Latin circa diem<\/em> (\u201caround the day\u201d) and refers to the internal clock that regulates your physiological cycles over a 24-hour period. Think of it as your body\u2019s hidden schedule, setting the tempo for sleep, body temperature, hormone levels, alertness and \u2014 guess what? \u2014 physical performance<\/strong>.<\/p>\n

This internal clock isn\u2019t just hanging around by chance. It\u2019s controlled by a \u201cmaster clock\u201d in the hypothalamus (technically, the suprachiasmatic nucleus), which syncs up with sunlight and orchestrates everything from the release of cortisol (that keeps you awake) to melatonin production (that makes you crash on the couch at night).<\/p>\n

Timing and Performance: What Science Says<\/h2>\n

Several studies (including those published in Current Biology<\/a><\/em> and Journal of Applied Physiology<\/a><\/em>) show that strength, endurance and coordination tend to peak in the late afternoon<\/strong>, between 4:00 PM and 7:00 PM. Not coincidentally, many world records have been set in that window. The reason isn\u2019t poetic, it\u2019s thermodynamic: body temperature<\/strong> is higher, muscles are warmer and more reactive, and metabolism works more efficiently.<\/p>\n

But that doesn\u2019t mean morning runs are pointless. On the contrary, early workouts have proven benefits for consistency<\/strong>, weight control and even mood. Plus, your body can adapt: if you always train at 7:00 AM, your circadian rhythm will start shifting its performance curve in that direction.<\/p>\n

Morning Runner or Evening Performer?<\/h3>\n

That\u2019s where your chronotype<\/strong> comes into play. Are you more of a night owl or an early bird? Chronotypes<\/a> describe your genetic tendency to be more active at certain times of the day. The main ones are:<\/p>\n