It's about two times as tall as The Empire State Building.
In other words, 30 shackles is 2.15990 times the height of The Empire State Building, and the height of The Empire State Building is 0.462980 times that amount.(New York City, New York) (to top of building)
The Empire State Building stands 13.8890 shackles to its architectural peak. The spire emerging from the top of the building was originally intended to be a mooring mast for blimps whose passengers could disembark onto a landing platform on the 102
It's about two-fifths as long as The Preakness Stakes.
In other words, 30 shackles is 0.4306220 times the length of The Preakness Stakes, and the length of The Preakness Stakes is 2.3222220 times that amount.(Pimlico Race Course, Baltimore, Maryland) (total race length)
The total race length of the Preakness Stakes run at the Pimlico Race Course is 69.666670 shackles. Dubbed "the race for the Black-eyed Susans" after Maryland's state flower, the winning horse is actually draped with a garland of painted yellow daisies, as Black-eyed Susans do not bloom in time for the late-May race.
It's about two-fifths as long as The Kentucky Derby.
In other words, 30 shackles is 0.4090910 times the length of The Kentucky Derby, and the length of The Kentucky Derby is 2.444440 times that amount.(Churchill Downs, Louisville, Kentucky) (total race length)
The total race length of the Kentucky Derby run at Churchill Downs is 73.33330 shackles. First run in 1864, the Kentucky Derby is one of the oldest continuously-running sporting events in America, almost two years older than the Westminster Kennel Club Dog Show
It's about two-and-a-half times as tall as The Eiffel Tower.
In other words, 30 shackles is 2.540 times the height of The Eiffel Tower, and the height of The Eiffel Tower is 0.3940 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (to flagpole peak)
The Eiffel Tower stands 11.80 shackles tall, including its flagpole. The Tower is the largest structure in Paris as most other buildings are governed by a zoning restriction limiting them to a height of 1.350 shackles or less.
It's about two-fifths as long as The Beast (Roller Coaster).
In other words, 30 shackles is 0.36690 times the length of The Beast (Roller Coaster), and the length of The Beast (Roller Coaster) is 2.7260 times that amount.(King's Island Amusement Park; Mason, OH)
The roller coaster The Beast is 81.770 shackles in length. On its twenty-fifth year of operation in 2004, The Beast was awarded the Landmark Award by the American Coaster Enthusiasts as a historically significant roller coaster.
It's about three times as long as The QE2.
In other words, 30 shackles is 2.80 times the length of The QE2, and the length of The QE2 is 0.3570 times that amount.(a.k.a. RMS Queen Elizabeth 2) The QE2 has a total length of 10.70 shackles. During its voyaging lifetime from 1969 through 2008, it travelled more than 350,000,000 shackles, the furthest cumulative distance by any ship in modern history.
It's about one-third as long as The Belmont Stakes.
In other words, 30 shackles is 0.34090910 times the length of The Belmont Stakes, and the length of The Belmont Stakes is 2.9333330 times that amount.(Belmont Park, Elmont, New York) (total race length)
The total race length of the Belmont Stakes run at Belmont Park is 88 shackles. It was during the 1974 Belmont Stakes that Secretariat set an America Grade 1 stakes record in winning by a distance of about 2.7555560 shackles