PITTSBURGH – (May 21, 2013) – The City of Champions is adding one more to its list – the 2013 USA Masters 1 Mile Road Championship to be contested at the GNC Live Well Liberty Mileon Friday, August 9. The Pittsburgh Three Rivers Marathon, Inc. is looking forward to hosting the nation’s top 40 and older runners as they take to the streets of downtown Pittsburgh. This is the first time since 1989 that the USA Masters 1 Mile Road Championship has been held.