Park City-based professional mountain biker and Olympian Haley Batten previews the upcoming International Cycling Union World Cup race at Soldier Hollow in September, Marvin Rust of the Wasatch County Foundation and Michael Moulton from the Heber Valley Heritage Foundation discuss the history of Pioneer Day in the county and local Rich Wyman has details on on Sunday's "Dogapalooza" event at the Ian Weinman Legacy Dog Park from 11 a.m. to 2 p.m. that honors his son.