Why Do I Gas Out in a Fight When I'm Fit?

Ever felt supremely fit but wondered, “Why do I gas out in a fight?”I recently had a coaching call with a fighter who experienced exactly this. Despite being in the best shape of his life, he found himself exhausted after just three rounds.It wasn’t his fitness level – it was his fight strategy and work-rest ratios.Many fighters make three common mistakes:Work too long without adequate restRest too long and lose momentumOr (most commonly) have no strategic approach to their output at allKEY MOMENTSFollow along using these quick timestamps:00:00 How Many Rounds? It Matters!00:24 Muay Thai Time Motion Analysis01:10 What Happened In This Fight?01:58 You Can't Beat Human Biology!02:14 Work:Rest OutliersFurther notes and resources at https://heatrick.com/2025/07/18/why-do-i-gas-out-in-a-fight-when-im-fit/