More Once Upon a Race photos.

Denverites really have no problem with getting up early on a weekend, donning a ridiculous costume and drinking -- all for a good cause (remember Cupid's Undie Run?)

It happened again over the weekend. Photos below.

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Via Facebook

A runner and zombie volunteer post-race in Atlanta.

Luckily, they aren't the running zombies.

The "Run for your Lives" zombie 5K obstacle course is coming to Colorado this summer, where fitness freaks bored by the running routine will have to dodge "zombies" -- volunteers complete with fake blood and lumbering steps -- as part of the race.

It's like The Walking Dead, but at a faster pace (although that's not hard to do.)

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butifitness.com

Bizzie Gold gets down to fitness bizness.

What do you get when you combine yoga, dance, plyometrics and athletic conditioning? One word: BUTI. Former fitness competitor and competitive skier Bizzie Gold created BUTI (yes, it's pronounced 'booty') after years of training and athletic conditioning inspired her to fuse multiple workout styles into one 90-minute routine. Gold brings the no-equipment-necessary hybrid fitness program to Denver February 18 through 20 in the form of a BUTI teacher-training course at Breathe Yoga & Cycling Studio first, with the local gym offering classes beginning in March.

So, what in the hell is BUTI, anyway?

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