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All-Time Ultra Lists Home > Reference > All-Time Ultra Lists > All-Time North American Best 100-km Performances

All-Time North American Best 100-km Performances

 
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National Records for 100km
 

Below is a listing of the all-time top performances at 100-km for North American residents. Thanks to Franco Anichini for the compilation of most of this data.

Updated April 23, 2012