Depends on the hike. There can be a safety issue with getting too far apart. There can also be the opportunity for further friction: on a dayhike if the fast pe

Depends on the hike. There can be a safety issue with getting too far apart. There can also be the opportunity for further friction: on a dayhike if the fast person gets to the end or the turnaround point and then is or feels compelled to wait. As said elsewhere, setting expectations would be the key.