Alison Sweeney (Sami, DAYS) joined more than 30,000 runners over the weekend in the 5th Annual Rock 'n' Roll Las Vegas Marathon and Half Marathon benefiting the Crohn’s and Colitis Foundation of America. Before taking on the Zappos.com 1Ž2 of the Half Marathon with CEO Tony Hsieh, Sweeney rocked out to the pre-race concert by chart toppers The All-American Rejects. "Getting ready for @RunRocknRoll marathon – start line? The Las Vegas Strip!!" Sweeney tweeted.