Photos: See Why Ironman Boulder Underpants Run Makes the Rest of Us Look Out of Shape
Yesterday, Justin Daerr and Danielle Kehoe were the top men's and women's finishers at Ironman Boulder. But before the main event got underway, plenty of competitors reminded us that we've been slacking on sit-ups via the Ironman Boulder Underpants Run, which sported more six packs than your neighborhood King Soopers. Our Brandon Marshall was on hand to capture pics of all that taut flesh. Check out a sampling of his photos below and click to see the complete "Boulder Ironman Underpants Run" slide show.
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