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.

Participants don inflatable T-Rex costumes at the 2025 T-Rex World Championship Races in Washington, drawing over 200 competitors from across the U.S. The event, originating as a company team-building ...

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

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.

Dino-madness! T-Rex costumes fill racing track Enthusiasts compete in the races at Emerald Downs dressed like Tyrannosaurus Rex ...

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.

Participants ran down the track cloaked in inflatable costumes during the T-Rex World Championship Races at Emerald Downs in Auburn, Washington.

AUBURN, Wash. (AP) — 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, ...

The Emerald Downs horse racing track in Auburn, a suburb of Seattle, Washington, had a different sort of competitors crossing the finish line on Sunday: participants of all ages dressed in inflatable ...