books in Danish published on iTunes in January and April 2014. Personal bests 10 km - 31:29 min ½ marathon - 1:08:10 h Marathon - 2:27:57 h 100 km - 6:58:31 h 100 miles - 15:26:09 h 6-days - 780 km Longest run: 26,232 km /1 lap (Earth) - 662 days See also List of pedestrian circumnavigators References External links Olsen's profile at worldrun.org Olsen's World Run I media coverage Living people Danish ultramarathon runners Pedestrian circumnavigators of the globe 1971 births Danish male long-distance runners Male ultramarathon runners University of Copenhagen alumni Athletes from Copenhagen