Here's the video of the '81 Derby ...
http://www.youtube.com/watch?v=ND0vK7tE8uU
The horses who raced 1-2-3-4-5 after six furlongs finished 19-10-18-16-17
The horses who raced 15-19-10-17-20 after six furlongs made up the top five spots.
The 10th place finisher Bold Ego - who was 2nd after 6fs and faded the least severly of the speed horses - was 2nd to Plesant Colony in the Preakness.