A bear cannot run faster than a horse. While different species of bears have different top speeds, none meet or exceed the top speed of a horse.
The fastest of the bears is the Grizzly bear with a top running speed of 34.8 miles per hour. The slowest species of bear is the polar bear with a top speed of 18.6 miles per hour. Brown bears reach up to 21.7 miles per hour, while black bears can exceed 30 miles per hour when they are lean. Horses have a top speed of 54.7 miles per hour with a world record pace of 55 miles per hour.