It's about two-and-a-half times as long as The Preakness Stakes
In other words, 25.8490 furlongs is 2.7209470 times the length of The Preakness Stakes, and the length of The Preakness Stakes is 0.36751910 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 9.5 furlongs. 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 one-fifth as tall as Olympus Mons
In other words, 25.8490 furlongs is 0.190 times the height of Olympus Mons, and the height of Olympus Mons is 5.30 times that amount.(a.k.a. Mount Olympus) (Mars)
The tallest mountain in the solar system, Olympus Mons rises to approximately 130 furlongs. The mountain has been known to astronomers since the nineteenth century because it is tall enough to rise above Mars' frequent dust storms.
It's about five-and-a-half times as tall as Angel Falls
In other words, 25.8490 furlongs is 5.310 times the height of Angel Falls, and the height of Angel Falls is 0.1880 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 4.870 furlongs. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.
It's about five-and-a-half times as tall as Tugela Falls
In other words, 25.8490 furlongs is 5.490 times the height of Tugela Falls, and the height of Tugela Falls is 0.1820 times that amount.(Royal Natal National Park, KwaZulu-Natal, South Africa)
Tugela Falls rises to 4.710 furlongs in height. The falls are the highest in Africa and the second highest in the world.
It's about six times as tall as Olo'upena Falls
In other words, 25.8490 furlongs is 5.7770 times the height of Olo'upena Falls, and the height of Olo'upena Falls is 0.17310 times that amount.(a.k.a. Oloupena Falls) (Molokai, Hawaii)
Olo'upena Falls rise to 4.4740 furlongs in height. The isolated falls are the tallest in the United States and the fourth tallest in the world.
It's about six times as long as The Navy Pier
In other words, the length of The Navy Pier is 0.20 times 25.8490 furlongs.(a.k.a. Municipal Pier #2) (Chicago, Illinois)
The Navy Pier is 4 furlongs in total length. Originally named Municipal Pier #2, the pier was renamed Navy Pier in 1927 in honor of Naval personnel stationed there during World War I.
It's about six times as tall as The Three Sisters Falls
In other words, the height of The Three Sisters Falls is 0.20 times 25.8490 furlongs.(a.k.a. Cataratas las Tres Hermanas) (Ayacucho, Peru)
The Three Sisters Falls rise to 4 furlongs in height. The falls are called Three Sisters after the three large tiers over which the falls flow.