These guys are running something called Cupid's Undie Run to raise money for the Children's Tumor Foundation.

Tags:   washington dc district of columbia capitol hill cupid's undie run people running around capitol hill in their underwear yup you read that right black and white b/w dcist library of congress

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Many underwear runners had scrawled messages on themselves.

Tags:   washington dc district of columbia capitol hill u.s. capitol cupid's undie run snow half-naked people running around capitol hill in their underwear yup you heard that right dcist

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A guy running around the Capitol in his underwear gets a drive-by shot.

Tags:   washington dc district of columbia capitol hill cupid's undie run people running around capitol hill in their underwear yup you read that right dcist

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This guy's excited about being freakin' cold on Capitol Hill.

Tags:   washington dc district of columbia capitol hill cupid's undie run half-naked people running around capitol hill in their underwear yup you read that right dcist

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A third diaper guy is hidden behind the one in front.

Did these guys hear about Cupid's Undie Run and say to each other, "Hey, let's go out in adult diapers!"? Really? That's just...weird to me...

Tags:   washington dc district of columbia capitol hill u.s. capitol cupid's undie run snow half-naked people running around capitol hill in their underwear yup you heard that right really weird dudes running around in diapers dcist

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