WATCH: T-Rexes tear up the track at Emerald Downs

The Washington state racetrack hosted hundreds of dashing dinosaurs at Sunday’s T-Rex World Championships

How much does arm swing affect running speed?

A recent study suggests that the correlation between arm movement and sprint speed may be overrated

WATCH: South African triple jumper runs barefoot 100m in 10.40 seconds

Lleyton Davids ran faster than any Canadian has yet this year–without spikes