Coaching

ATL (ACUTE TRAINING LOAD / FATIGUE)

7-day exponentially weighted average of daily TSS. Represents short-term fatigue.

Fatigue counterpart to CTL. Responds quickly to recent training. TSB = CTL - ATL estimates form. Negative TSB = fatigued (normal in hard blocks). Positive TSB = rested (target during taper). Race-day sweet spot: +10 to +25.

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RELATED TERMS

TSS (Training Stress Score)CTL (Chronic Training Load / Fitness)Taper Protocol

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