The original Canterbury Woodchuck Classic, held in the early 1980's, was run over a hilly 10km course. The race was revived in 1995 and the race distance was shortened to 5km. Here are the top ten fastest times for men and women for the 5 km distance.

Male

    Time  Year Runner                 City, State
1.  15:37 1996 Scott Clark            Gilmanton, NH
2.  15:59 1997 Kevin Beck             Concord, NH
3.  16:02 2009 David Chorney          Bristol, NH
4.  16:04 1996 Kevin Beck             Concord, NH
5.  16:08 1996 Chris Martin           Concord, NH
6.  16:09 2010 Mackenzie Fitzpatrick  Concord, NH
7.  16:13 2002 Matthew Rockwell       Plymouth, NH
8.  16:16 2002 Scott Clark            Gilmanton, NH
9.  16:18 2007 Brendan Collins 	      Canterbury, NH
10. 16:18 2010 Ryan Kelly	          Concord, NH

Female

    Time  Year Runner                  City, State
1.  19:00 2010 Heather Searles	       Haverhill, MA
2.  19:08 2009 Heather Searles         Henniker, NH
3.  19:24 2008 Heather Searles         Henniker, NH
4.  19:29 2005 Ann Turner Gunnison     Sacramento, CA
5.  19:50 2006 Heather Ann Wenniger    Holderness, NH
6.  19:57 1997 Amy Ireland             Concord, NH
7.  19:58 2007 Heather Searles	       Henniker, NH
8.  20:14 2011 Erica Labella           Sugar Hill, NH
9.  20:18 2000 Patricia Heath          Concord, NH
10. 20:19 2010 Emily Searles Lafferty  Billeria, MA