The fastest human in the world can run at a speed of 28 miles an hour. That's a snail's pace compared to these speedy critters. Here are the fastest land animals and their top speeds.
1. Cheetah: 70 mph
2. 2 Pronghorn antelope: 61 mph
3. Wildebeest, Lion and Thomson's gazelle (tied): 50 mph
4. Quarter horse: 48 mph
5. Elk: 45 mph
Source: The World Almanac and Book of Facts, 2001