SAN FRANCISCO (CBS SF) — San Francisco’s annual citywide Bay to Breakers footrace and costume party will also be an opportunity for this year’s participants to break as many wacky world records as possible, according to the race sponsor.

The online shoe and apparel shop,, announced this week that not only will they be the title sponsor for the race on May 17, but that the theme of the race will be “Bay to Breaking Records.”

READ MORE: Yuba County Agency Mulls Water Shipments to Bay Area Counties

According to Zappos’ chief executive officer Tony Hsieh, in addition to the fun costumes and challenging footrace from the San Francisco Bay across the city to the Pacific Ocean, this year there will also be an attempt to set the world record for “Most World Records Set During a Road Race.”

With more than 50,000 people expected to participate in the race, plus hundreds of thousands more spectators, Zappos is encouraging everyone to work together to set an additional 40 world records on race day.

Yellow-jacketed officials from will be on-site adjudicating world records throughout the course.

READ MORE: 'Let it Glow' SF Lights Up San Francisco To Revive Pandemic-Stricken Downtown

Among the record setting examples suggested by Zappos to get racegoers’ imaginations going: Largest group to bite a loaf of sourdough at once.

Event organizers are encouraging race participants to submit their record breaker ideas online at

The most creative, fun, and weird record submissions will be announced one week prior to the race.

MORE NEWS: Officials: Marin County Parents Knowingly Sent Child To School With COVID; 75 Students Quarantined

© Copyright 2015 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.