It is funny, we don't actually require the riders to attend the endurance meeting, the crew chiefs can go instead since they tend to pay more attention
In my observation, the close-calls (between racers coming "hot" into the pits and the not-so-stray pedestrian crossings) happen several times during endurance races. Typically, it's the team crew members on foot. And the close-calls are most dicey near the pit-in areas.