Table 1.

Predicted and current record maximum speeds for throughbreds running a distance of 1911–2414 m

Predicted maximum speed (m s–1)
Plateau yearLogistic modelNo-trend modelCurrent recordAverage increase (%)
Kentucky Derby194917.07116.96616.8421.05
Preakness Stakes197117.09016.91416.8530.88
Belmont Stakes197316.89917.03116.8770.52
  • During the current plateau in speeds, there is no significant correlation between speed and year