Figure 1. Model-predicted and Actual Performance, Fitness, Fatigue, and Training Impulse for Days 1 - 122: (A: Model-predicted (Models B and C) and actual performance, B: Modeled (Models B and C) fitness and fatigue, C: Training impulse. All values are in arbitrary units (AU))

From

Contribution of Nutrition and Psychometric Factors to the Fatigue Component of a Performance Prediction Model in Endurance Running

Emily Baker, Colin Solomon, Ian Stewart

Journal of Physical Activity Research. 2020, 5(2), 91-99 doi:10.12691/jpar-5-2-5