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All-Time Ultra Lists Home > Reference > All-Time Ultra Lists
All-Time North American Ultra Lists
A complete listing of the top all-time performers among North American residents.
 
All-Time North American Best 100-km Performances
A complete listing of the top 25 all-time 100-km performances for North Americans.
 
National Records for 100km
National 100km Records as of December 1, 2009
compiled by Franco Anichini