What is STP 500?
{{Infobox motor race |Track map=Martinsville Speedway track map.png |Series long=[[Monster Energy NASCAR Cup Series]] |Race title=STP 500 |Sponsor=[[STP (motor oil company)|STP]] |Venue=[[Martinsville Speedway]] |Location=[[Ridgeway, Virginia]], [[United States]] |First race=1950 |Last race= |Distance={{convert|263|mi|km|3}} |Laps=500 (Stage 1: 130<br>Stage 2: 130<br>Stage 3: 240) |Previous names='''Unnamed''' (1950-1955)<br>'''Virginia 500''' (1956-1981, 2001-2003)<br>'''Virginia 500 Sweepstakes''' (second 1961 race)<br>'''Sovran Bank 500''' (1984-1987)<br>'''Panhill Sweatshirts 500''' (1988-1989)<br>'''Hanes Activewear 500''' (1990)<br>'''Hanes 500''' (1991-1995)<br>'''Goody's Headache Powder 500''' (1996-1998)<br>'''Goody's Body Pain 500''' (1999-2000)<br>'''Advance Auto Parts 500''' (2004-2005)<br>'''DirecTV 500''' (2006)<br>'''Goody's Cool Orange 500''' (2007-2008)<br>'''Goody's Fast Pain Relief 500''' (2009-2010)<br>'''Goody's Fast Relief 500''' (2011-2012)<br>'''STP Gas Booster 500''' (2013) |Most wins driver=[[Richard Petty]] (9) |Most wins team=[[Petty Enterprises]] (12) |Most wins manufacturer=[[Chevrolet]] (26) |Surface=Asphalt<br>Concrete (turns) |Length mi=0.526 |Turns=4 }} The '''STP 500''' is a [[Monster Energy NASCAR Cup Series]] race. It is held every spring at [[Martinsville Speedway]], It was first run in 1950 and held in conjunction with the [[Camping World Truck Series]] race the previous day. [[Goody's Powder]] sponsored the race from 1996 to 2002 and again in 2007 to 2012. The race is first of two races held at the racetrack, with the other one being the [[First Data 500]] in November. The trophy is in the form of a [[grandfather clock]]s.<ref>{{Cite news|last=Martinelli|first=Michelle R.|date=2017-04-04|title=Why NASCAR drivers win a grandfather clock at Martinsville Speedway|language=en-US|work=For The Win|url=https://ftw.usatoday.com/2017/04/nascar-brad-keselowski-grandfather-clock-martinsville-speedway-trophy-stp-500|access-date=2017-04-04|archive-date=}}</ref><ref>{{Cite web|last=Cook