Longest distance leapfrog

Longest distance leapfrog
Who
Stanford University
Where
United States
When
26 May 1991
A team of 14 students from Stanford University, California, USA, covered a distance of 1,603.2 km (996.2 miles) leap-frogging. They started on May 16 and finished 244 hr 43 min later on 26 May 1991.