Copyright 2009 John Calabrese / PacificCoastNews.com
Who's that sprinting star? Take today's Insider Challenge and name that mystery star!For a closer look, check out the photographic evidence and leave your best guess in the comments section below. Then tune in to tomorrow's "Insider" for the answer and if you guessed right, your name may be the one called out on-air!
Here's a hint: His personal motto is "Just Keep Livin'."
