| Personal information | |
|---|---|
| Full name | Jesper Kenn Olsen |
| Nationality | Danish |
| Born | 2 July 1971 Copenhagen, Denmark |
| Height | 1.79 m (5 ft 10 in) |
| Weight | 70 kg (150 lb) |
| Website | worldrun |
| Sport | |
| Country | Denmark |
| Sport | Running |
| Achievements and titles | |
| Personal best(s) | 10 km: 31:29 ½ Marathon: 1:08:10 Marathon: 2:27:57 100 km: 6:58:31 Longest run: 662 days (2005) |
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).