Some scientists are now saying that T-rex couldn't really run fast. They're saying that the average human could outrun one of them - if only humans had coexisted with the mighty dinosaur carnivore.
Of course, it's all speculation. What we need is genetic reincarnation, along the lines of Jurassic Park.
Once we bring them back
We can bring them to the track.
I have to admit, just seeing that face
Would motivate my feet to race.