I am usually in the top 10%. Below are my best times and I will update these as I set new PRs. I put the year I ran it, and which race it was, just so you know it was not something I did back in my high school days (I actually never ran in high school : ).
(2009)
(Syracuse 2008) 10k: 43:56 (Layton Classic 2008)
10 miles: 1:17:02 (Striders Winter Racing Circuit 2010)
Half-marathon: 1:32:34 (Ogden Half-marathon/Marathon - May 2011)
30k: 2:35:50 (Striders Winter Racing Circuit 2010)
Marathon: 3:28:20 (Ogden Marathon - May 2012)
Ultra marathon (50 miles): 9:50:56 (Striders Ogden Valley - October 2009)