In an expansion of Disney XD's ongoing 'TRYit' initiative designed to inspire kids to get up, get outside and try something new, professional sports stars: the NFL's Arian Foster (Houston Texans), the WNBA's Candace Parker (Los Angeles Sparks) and the NBA's Kevin Love (Minnesota Timberwolves) coach young stars Leo Howard and Olivia Holt ('Kickin' It'), Billy Unger and Spencer Boldman ('Lab Rats') and Doc Shaw and Adam Hicks ('Pair of Kings') who team with three viewers (hailing from Georgia, Oregon and Texas) to compete in fun challenges that will test their skills and their teamwork, in Disney's 'TRYathlon' special premiering MONDAY, AUGUST 13 (8:00 p.m., ET/PT) on Disney XD. The special is hosted by Hal Sparks and Tyrel Jackson Williams ('Lab Rats'). (Photo by Rick Rowell/Disney XD via Getty Images) HAL SPARKS, TYREL JACKSON WILLIAMS