Speeds are in mph [1]
Cheetah 70
Pronghorn antelope 61
Wildebeest 50
Lion 50
Thomson's gazelle 50
Quarterhorse 47.5
Elk 45
Cape hunting dog 45
Coyote 43
Gray fox 42
Hyena 40
Zebra 40
Mongolian wild ass 40
Greyhound 39.35
Whippet 35.50
Rabbit (domestic) 35
Mule deer 35
Jackal 35
Reindeer 32
Giraffe 32
White-tailed deer 30
Wart hog 30
Grizzly bear 30
Cat (domestic) 30
Human 27.89
Elephant 25
Black mamba snake 20
Six-lined race runner 18
Wild turkey 15
Squirrel 12
Pig (domestic) 11
Chicken 9
Spider (T. atrica) 1.17
Giant tortoise 0.17
Three-toed sloth 0.15
Garden snail 0.03
[1] Most of these measurements are for maximum speeds over approximate quarter-mile distances. Exceptions are the lion and elephant, whose speeds were clocked in the act of charging; the whippet, which was timed over a 200-yard course; the cheetah, timed over a 100-yard distance; the human, timed for a 15-yard segment of a 100-yard run (of 13.6 seconds); and the black mamba, six-lined race runner, spider, giant tortoise, three-toed sloth, and garden snail, which were measured over various small distances.
Source: Natural History magazine, March 1974. Copyright © The American Museum of Natural History, 1974.
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