Distribution of percentage compliance during the intervention period for Sch-I and Sch-V. Distribution of percentage compliance during the intervention period for Sch-I and Sch-V. Compliance is quantified as percentage by calculating the total individual running frequency during the intervention period, divided by the total scheduled running frequency during the intervention period. 1 on the y-axis is equivalent to excellent compliance. Intensity denotes Sch-I, and volume denotes Sch-V. Daniel Ramskov et al. BMJ Open Sport Exerc Med 2018;4:e000333 ©2018 by BMJ Publishing Group Ltd