Celebs at the Chicago Rock 'n' Roll Half Marathon: Kelly Bensimon, Maria Menounos, Jake Pavelka, Giuliana Rancic

Kelly Bensimon and Giuliana Rancic Rock It in Half Marathon

The stars were definitely representing at this Sunday's second annual Rock 'n' Roll Chicago Half Marathon. Kelly Bensimon, Jake Pavelka, and Giuliana Rancic kept Al Roker, Kelli Zink, and former stars of The Bachelor, Molly and Jason Mesnick company on the course. Meanwhile, host Maria Menounos cheered from the sidelines. Patrick Rizzo, 26, outdistanced himself from the the pack to win with a time of 1:06:19, and the women's winner Tera Moody, 29, finished at 1:13:36. The race, which benefits the American Cancer Society, runs through downtown Chicago.

To see more photos of Kelly, Maria, and Jake at the Rock 'n' Roll Chicago Half Marathon, just read more.

Source: WireImage