Training Load — Running & Strength
ATL = 7-day fatigue · CTL = 42-day fitness · Form = CTL − ATL · Running: min × zone factor · Strength: vol-kg ÷ 100
── Running CTL ╌ Running ATL
── Strength CTL ╌ Strength ATL
Positive form = fresh · Negative = fatigued · Optimal race window: Running Form +5 to +15