Is 3,700 meters as long as The Belmont Stakes?
It's about one-and-a-half times as long as The Belmont Stakes

The length of The Belmont Stakes is about 2,414.016 meters.
(Belmont Park, Elmont, New York) (total race length)
The total race length of the Belmont Stakes run at Belmont Park is 2,414.016 meters. It was during the 1974 Belmont Stakes that Secretariat set an America Grade 1 stakes record in winning by a distance of about 75.59040 meters
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