Denver brought the ugly for the 2012 Christmas Ugly Sweater Run

Warning: these photos are graphic. You may need to look away and take deep breaths. Denver brought out the worst of its eye-searing Christmas cardigans on Saturday at City Park for the 2012 Ugly Sweater Run, which included contests for everything from best mustache to ugliest sweater, hot-chocolate aid stations and plenty of reindeer games.

See more: - The 2012 Ugly Sweater Run slide show - Twenty horrific holiday sweaters to set the mood for the Ugly Sweater Run - Merry Christmas. Now here are some crappy sweaters

Check out all the carnage in our full 2012 Ugly Sweater Run slide show.

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