Runners head south on Las Vegas Boulevard at the start of the 13th annual Las Vegas Great Santa Run in downtown Las Vegas Saturday Dec. 2, 2017. More than 9,000 runners registered for the event, according to organizers. The annual run is a fundraiser for Opportunity Village.

Steve Marcus

Runners head south on Las Vegas Boulevard at the start of the 13th annual Las Vegas Great Santa Run in downtown Las Vegas Saturday Dec. 2, 2017. More than 9,000 runners registered for the event, according to organizers. The annual run is a fundraiser for Opportunity Village.