Changes in foot volume, body composition, and hydration status in male and female 24-hour ultra-mountain bikers The effect of a 24-hour load was already examined for running and cycling, but not in a mountain bike race. A Czech group has now studied 24-hour mountain bikers in relation to changes in body composition, fluid budget and a total swelling of the feet.
It showed that it came to a decrease in body mass as well as the fat mass while the muscle mass remained unchanged.In contrast to ultra skiers, the mountain bikers did not come to a swelling of the feet.Likewise, the liquid balance remained very balanced. The details of this study can be found under https://jissn.biomedCentral.com/Articles/10.1186/1550-2783-11-12