Changes in average running distance of male collegiate track-and-field athletes aged 18 years or older

This table provides aggregated information on running distance recorded during a human intervention study involving male collegiate track-and-field athletes aged 18 years or older. Running distance was recorded as kilometers per day (km/day) and was self-reported by participants using a web diary throughout the study. Individual daily records were aggregated by study period and intervention group, and the mean running distance for each period was calculated separately for each group.The study included four intervention groups: Placebo, nicotinamide mononucleotide (NMN), paprika xanthophyll (PX), and NMN+PX. The number of participants (n) for each group and period is shown in the table. The study periods were defined as follows:(1) the before-intake period, spanning from the washout period to the day immediately before the test food intake;(2) the 0–4-week period, from the start of intake to after intake for 4 weeks; and(3) the 4–8-week period, from after intake for 4 weeks to after intake for 8 weeks.This table is intended as supplementary data to support interpretation of the study results, particularly with respect to the increase in running distance during the 4–8-week period.For the details of the experimental conditions, please consult the original article.