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How fast is 400 furlongs per fortnight?

It's about 1,500,000 times as fast as Grass growing
The speed of Grass growing is about 0.00024 furlongs per fortnight.
(for Kentucky Bluegrass, Poa pratensis) (a.k.a. Smooth Meadow grass, a.k.a. Common Meadow grass) (Summer months, ideal growing conditions)
Kentucky Bluegrass, one of the most common grasses in North America, grows about 0.00025 furlongs per fortnight in the summer months under ideal conditions. When left un-mowed, Kentucky Bluegrass grows to heights of 60 to 90 cm (2 to 3 ft) and blossoms with a blue flower.
It's about as fast as a Sloth
The speed of a Sloth is about 400 furlongs per fortnight.
(for Brown-throated three-toed sloth, Bradypus variegatus)
The three-toed sloth moves along the ground at an average speed of 400 furlongs per fortnight. Long thought to be lengthy sleepers, a 2008 study concluded that sloths sleep an average of only 9.6 hours per day.
It's about one-tenth as fast as an Iceberg
The speed of an Iceberg is about 3,000 furlongs per fortnight.
(a.k.a. Berg) (Newfoundland iceberg average)
Moved by ocean currents and wind, icebergs can drift at speeds of about 3,000 furlongs per fortnight. The largest iceberg ever recorded was a found near Baffin Island, Nunavut and was estimated to be nine billion metric tons.
It's about one-twentieth as fast as Walking Pedestrians (in Manhattan)
The speed of Walking Pedestrians (in Manhattan) is about 7,800 furlongs per fortnight.
(Manhattan; average speed; 8,978 person-sample)
A 2006 Study by the New York City Department of City Planning found that pedestrians in that city walk at an average rate of 7,800 furlongs per fortnight. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 8,500 furlongs per fortnight
It's about one-thirtieth as fast as Michael Phelps
The speed of Michael Phelps is about 11,680 furlongs per fortnight.
(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)
Setting a world record, Michael Phelps swam the 200 m freestyle in 1:42.96 for an average speed of 11,680 furlongs per fortnight. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.
It's about one-fortieth as fast as a Crocodile
The speed of a Crocodile is about 16,000 furlongs per fortnight.
(American Crocodile, Crocodylus acutus) (swimming speed)
An American crocodile can reach speeds in the water of up to 17,000 furlongs per fortnight. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 33,000 furlongs per fortnight.
It's about one-one-hundredth as fast as a Bull
The speed of a Bull is about 40,000 furlongs per fortnight.
(for animals involved in the Running of the Bulls, a.k.a. Encierro, San Fermin, Pamplona, Spain) (herd average speed)
The herd of the annual Encierro in Pamplona, Spain runs at an average speed of 40,000 furlongs per fortnight. The Encierro is run annually from July 7th through July 14th and involves 42 bulls, 77 oxen, and an estimated 17,000 runners over the course of the event.
It's about one-one-hundredth as fast as Noah Ngeny
The speed of Noah Ngeny is about 45,570 furlongs per fortnight.
(in Rieti, Italy; 1999) (sprinter; 1978-)
Setting a world record at the Rieti Grand Prix in 1999, Noah Ngeny ran 1,000 m in 2:11.96 for an average speed of 45,560 furlongs per fortnight. According to some reports, Ngeny did not begin running competitively until just three years before setting the record.
It's about one-one-hundred-fiftieth as fast as Flo-Jo
The speed of Flo-Jo is about 56,350 furlongs per fortnight.
(at the Seoul Olympics, 1998) (a.k.a. Florence Griffith-Joyner, a.k.a. Florence Delorez Griffith) (swimmer; 1959-1998)
Setting a world record in 1988, Flo-Jo ran a 200 m in 0:21.34 for an average speed of 56,350 furlongs per fortnight. Known as a 200 m runner, Joyner also set a record time in a 100 m race at in 1987.
It's about one-one-hundred-fiftieth as fast as Usain Bolt
The speed of Usain Bolt is about 61,900 furlongs per fortnight.
(at the Beijing Olympics, 2008) (a.k.a. Usain St. Leo Bolt, OJ, C.D.) (sprinter; 1986-)
Setting a world record, Usain Bolt ran a 100 m in 0:09.69 for an average speed of 62,100 furlongs per fortnight at the 2008 Olympics. Furthermore, Bolt's margin of record breaking — 0.03 s — is the largest margin of victory in the history of digital measurements.
It's about one-one-hundred-fiftieth as fast as Michael Johnson
The speed of Michael Johnson is about 62,230 furlongs per fortnight.
(a.k.a. Michael Duane Johnson) (sprinter; 1967-) (at the Atlanta Olympics, 1996)
Setting a record that stood for 12 years, Michael Johnson ran a 200 m in 0:19.32 for an average speed of 62,250 furlongs per fortnight at the 1996 Olympics. Johnson was nicknamed "the Man with the Golden shoes" in recognition of the custom footwear worn during these races — a pair of Nikes with a left size of 10.5 and a right size of 11.
It's about one-two-hundred-fiftieth as fast as Secretariat
The speed of Secretariat is about 101,000 furlongs per fortnight.
(at Belmont Stakes, 1973)
Setting a record finish, Secretariat ran the Belmont Stakes — a 12 furlong race length — in 2:24, for an average speed of 101,000 furlongs per fortnight in 1973. His margin of victory in the race, also a record-setter, was 31 lengths.
It's about one-three-hundredth as fast as a Greyhound
The speed of a Greyhound is about 121,000 furlongs per fortnight.
(a.k.a. English greyhound) (approximate maximum speed)
Greyhounds reach average race speeds of 121,000 furlongs per fortnight. Despite their racing prowess, greyhounds are not considered energetic dogs — the typical greyhound race requires the dogs to run for less than 35 seconds.
It's about one-three-hundred-fiftieth as fast as a Gazelle
The speed of a Gazelle is about 100,000 furlongs per fortnight.
(for Thomson's Gazelle, a.k.a. Eudorcas thomsoni, a.k.a. "Tommie", a.k.a. "Tommy")
A Thomson's gazelle can reach speeds of up to 100,000 furlongs per fortnight. The gazelle's speed doesn't match that of its chief predator, the cheetah, but a gazelle's endurance usually ensures an escape in distances greater than 500 m (0.3 mi).
It's about one-three-hundred-fiftieth as fast as a Hare
The speed of a Hare is about 100,000 furlongs per fortnight.
(for European Brown Hare, a.k.a. Brown Hare, a.k.a. Lepus europaeus, a.k.a. Brown Hare)
The European Hare can run at speeds of up to 100,000 furlongs per fortnight. While speed is a factor in their escapes, hares evade their chief predators — wolves, foxes, and golden eagles — by fleeing in a zigzag pattern.
 
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