Set a course for the other to run on. It took much longer than this to set the course, but it is probably equivalent to this based on the time it took to pick up the course. I had some extra distance because I messed up and had to do some doubling back.
Orienteering45:00  4.0 km (11:15 / km)
Picked up the controls from the 4Km course that I set out.