BOSTON (AP) — 'Tis the season to run nearly naked through the chilly streets of Boston.

The Santa Speedo Run turns 20 on Saturday, when hundreds of people clad only in bikini-style swimsuits and Santa hats will dash through the city's Back Bay neighborhood.

Organizers say the bawdy event has raised nearly $2 million for a local children's charity.

A group of bartenders and businessmen hatched the concept in 2000. Since then, participants have gathered to run — minimally clad — down posh Newbury Street while everyone else is holiday shopping.

Over the past two decades, the event has become so p...