Every May, tens of thousands of San Franciscans — many of them barely dressed, some dressed as hot dogs, and a surprising number hauling kegs on wheels — stampede from the Embarcadero to Ocean Beach in what we lovingly call Bay to Breakers. But before it became the world's most chaotic costume party disguised as a footrace, it was actually just... a footrace.

Bay to Breakers dates back to 1912, organized in the aftermath of the 1906 earthquake as a way to lift the city's spirits. For decades, it was a straightforward athletic event — serious runners, serious times, serious business. The kind of civic tradition that made city boosters proud.

Then things got interesting.

In 1940, women weren't allowed to compete. So a woman reportedly entered the race disguised as a man and ran the entire course anyway. That act of defiance cracked the door open. Women were eventually welcomed into the race officially, and that spirit of rule-bending rebellion became baked into Bay to Breakers' DNA.

Once you tell San Francisco it's okay to break the rules a little, well — you get what we have today. The centipede teams arrived. The nudists followed. The tortilla throwing became tradition. Somewhere along the way, the race stopped being about finishing times and started being about finishing a twelve-pack before you hit the Panhandle.

And honestly? That's what makes it one of the last truly great San Francisco traditions. No corporate overlay can fully sanitize it. No permit process can contain it. It's the one day a year when the city's libertarian streak — the real one, not the tech conference kind — runs wild through the streets. Literally.

In a city that increasingly regulates everything from your gas stove to your grocery bags, Bay to Breakers remains gloriously ungovernable. One woman in disguise showed the city that the best traditions aren't the ones that follow the rules — they're the ones that dare you to break them.

See you at the starting line. Costumes encouraged. Pants optional.