[Ans] which triple crown race is the longest?

Step 1 : Introduction to the question "which triple crown race is the longest?"

Winning all three of these Thoroughbred horse races is considered the greatest accomplishment in Thoroughbred racing. The term originated in mid-19th century England and different nations where thoroughbred racing is popular each have their own Triple Crown series.

Step 2 : Answer to the question "which triple crown race is the longest?"

Kentucky Derby, run over the 1 1⁄4-mile (2.0 km) dirt track at Churchill Downs in Louisville, Kentucky

Preakness Stakes, run over the 1 3⁄16-mile (1.9 km) dirt track at Pimlico Race Course in Baltimore, Maryland

Belmont Stakes, run over the 1 1⁄2-mile (2.4 km) dirt track, the longest in U.S. thoroughbred racing, at Belmont Park in Elmont, New York, just east of the New York City borough of Queens in Nassau County, Long Island

Step 3 : Other interesting facts related to the question "which triple crown race is the longest?"

There have been several different versions of the Triple Tiara 

Only one filly won this version of the Triple Tiara, Davona Dale in 1979

In 2010, the NYRA changed the configuration of the Triple Tiara.