So it got a little colder than usual on Saturday - that wasn't going to stop these Valentine's-themed runners from their annual tradition. 

Despite temperatures as low as 1° Fahrenheit, Cupid's Undie Run went on as planned in the decidedly frozen over Hell's Kitchen, with runners dressed in their holiday best (and least!) for a mile-long jog to raise money for the Children's Tumor Foundation.

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Check out the fun and dedication of this year's participants and consider taking part next year. Of all the reasons to take off your clothes this weekend, helping to find a cure for neurofibromatosis may just be the best one.