Originally Posted by Bold Brooklynite

Spectacular Bid's best time for 10f was 1:57.4 ... accomplshed when he was a 4YO.

In June of his 3YO year ... Secretariat completed 10f in 1:59 flat ... with still another quarter mile to run.

In September he ran 9f in 1:45.2 ... and was clocked ... by official track clockers ... pulling up 10f in 1:58 flat ... so ...

... exactly how did you calculate those "20 lengths"?

You're not one of those naïve folks who's comparing a great 4YO to a great 3YO are you? Can you cite anything Spectacular Bid did as a 3YO ... which can compare to what Secreatriat did as a 3YO?