Abstract from here: http://www.wisil.recumbents.com/wisil/fastest_list.asp

1-53.918 miles - 86.771 km -Sam Whittingham-Varna 3-CAN-Nissan Track, Arizona-2007
2-53.432 miles - 85.991 km -Fred Markham-Varna Mephisto II (Easy Varna)-USA-Nissan Track, Arizona-2006
3-52.330 miles - 84.22 km -Sam Whittingham-Varna Diablo II-CAN-Opel Track, Germany-2004
4-52.304 miles - 84.176 km -Damjan Zabovnik-Eivie II-Slovenia-Nissan Track, Arizona-2007
5-52.010 miles - 83.72 km -Sam Whittingham-Varna Diablo II-CAN-Continental Track, Texas-2003
6-51.420 miles - 82.76 km -Matt Weaver-Cutting Edge II-USA-California Track-2004
7-51.330 miles - 82.6 km -Lars Teutenberg-White Hawk (Blue)-GER-Opel Track, Germany-2002
8-50.704 miles - 81.6 km -Hans Wessels-White Hawk (White)-Dutch-Opel Track, Germany-2006
9-50.420 miles - 81.16 km -Lars Teutenberg-White Hawk (White)-GER-Opel Track, Germany-1999
10-50.105 miles - 80.636 km -Rob English-Varna II-UK-Nissan Track, Arizona-2007