Spectators cheered as participants ran down the track cloaked in inflatable Tyrannosaurus rex costumes during the T-Rex World ...

Spectators cheered as participants ran down the track cloaked in inflatable costumes during the T-Rex World Championship ...

Spectators cheered as participants ran down the track cloaked in inflatable Tyrannosaurus rex costumes during the T-Rex World Championship Races at Emerald Downs in Auburn, Washington.

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A mere 2.9 miles per hour is actually slower than most adult humans walk, so while it could have bit you in half if it wanted to, chances are you would beat the Tyrannosaurus rex in a walking race.