Race condition
A race condition or race hazard is the behavior of an electronics, software, or other system where the system's substantive behavior is dependent on the sequence or timing of other uncontrollable events. It becomes a bug when one or more of the possible behaviors is undesirable.
RacingThePlanet
Those characteristics are that each race is held in a remote but historically or culturally rich location; that the races are rough-country i.e. they take place in wilderness environments across a variety of terrains, mostly off-trail; that competitors must race self-supported carrying all their own food, fluids and equipment for the race; and that the number of competitors accepted on each race is limited to ensure that the pristine environments remain that way, and so that competitors do not feel that they are part of so large a group that they do not get the opportunity to experience the solitude of the location.