Procedure: The present worth of each system was taken using the installation cost per linear foot. Added to that was the remove and dispose cost for concrete (with the interest calculated over the. expected useful life of the curbing) or the remove, stockpile and reset cost of the granite, also per. linear foot.
The numbers never change, and the variable hurdles are always the same. Kentucky Derby length - 1 1/4 mile dirt track at Churchill Downs. --->>> 10 furlongs. Preakness Stakes length - 1 3/16 dirt track at Pimlico Race Course.
since 1931 the order of triple crown races has been the kentucky derby first followed by the preakness stakes and then the belmont stakes prior to 1931 eleven times the preakness was run before the derby on may 12 1917 and again on may 13 1922 the preakness and the derby were run on the same day