100 km: 6:58:31100 mi: 15:26:096 days: 780 km Jesper Olsen, or Jesper Kenn Olsen, is a multiple national record holder ultra distance runner from Denmark, and was the second person verified to have run around the world (16,000 miles: 2004-2005), as well as the first verified to have run around the world in a north-south rather than east-west direction (25,000 miles: 2008-2010, 2011-2012, due to 6-month illness and injury).
[5][6][7][8][9][10] It totalled just over 16,000 miles (26,000 km),[5] exceeding the distance of the first verified walk around the world (Dave Kunst, 1970-1974, 14,452 miles (23,123 km))[11] but around (or slightly under) half the distance of the first verified run around the world, when Garside's run was eventually verified by Guinness in 2007 (Robert Garside, 1997-2003, estimated 30,000 - 40,000 miles (48,000 - 64,000 km))[12][13] During most of the run, Olsen pushed a baby carriage,[14] in which he kept food, beverages, a tent, and other equipment.
On December 1, 2008, near Silifke, Turkey, Barnett had to give up after 7,334 kilometres (4,557 mi), and Olsen continued alone.
[16][17][8][18][19][20] Olsen spent more than six months recovering in Denmark due to dysenteria, malaria, and two operations to eliminate deep infections in his right arm.
On 28 July 2012, Olsen announced on his website the completion of World Run 2 in Cape Spear, Newfoundland.
A row subsequently broke out that Olsen's achievement didn't go to the most northern tip of Africa.