More than 300 people donned inflatable dinosaur costumes and took to the track at Emerald Downs in Washington for the annual T-Rex World Championship Races.

Save $30 On Our Favorite Inflatable Dinosaur Costume If you've been looking to pick up a Halloween costume still and have waited until nearly the last minute, why not go for this favorite of ours ...

If your little one wants to match, or just wants to dress up T-Rex-style on their own, not to worry — this inflatable dinosaur costume is also available in bit size.

Nation World Photos: More than 200 wearing inflatable dinosaur costumes race in annual championship The billowing fabric gives them an objectively awkward appearance, especially when running.

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.

AUBURN, Wash. — A track for live horse racing in suburban Seattle turned prehistoric over the weekend as more than 200 people ran down the track cloaked in inflatable Tyrannosaurus rex dinosaur ...

AUBURN, Wash. — A track for live horse racing in suburban Seattle turned prehistoric over the weekend as more than 200 people ran down the track cloaked in inflatable Tyrannosaurus rex dinosaur ...

The annual event featured more than 200 runners competing while wearing large, inflatable dinosaur costumes.