2019 STP 500

{{Short description|Sixth race of the 2019 Monster Energy Cup Series}}

{{Use mdy dates|date=February 2025}}

{{Infobox NASCAR race report

| Type = NASME

| Description =

| Race Name = STP 500

| Details ref = {{cite web|title=2019 schedule|url=https://www.nascar.com/monster-energy-nascar-cup-series/2019/schedule/|website=NASCAR.com|publisher=NASCAR Media Group, LLC.|access-date=March 2, 2019|date=May 5, 2018}}{{cite web|title=Martinsville Speedway|url=http://www.nascar.com/en_us/nascar-tracks/martinsville-speedway.html|website=NASCAR.com|publisher=NASCAR Media Group, LLC.|access-date=March 2, 2019|date=January 3, 2013|archive-date=April 25, 2017|archive-url=https://web.archive.org/web/20170425205616/http://www.nascar.com/en_us/nascar-tracks/martinsville-speedway.html|url-status=dead}}{{cite web|title=Entry List|url=https://www.mrn.com/2019/03/18/2019-stp-500-entry-list-martinsville/|website=MRN.com|publisher=Motor Racing Network|access-date=March 18, 2019|date=March 18, 2019}}{{cite web|title=First Practice Results|url=https://www.mrn.com/2019/03/23/2019-stp-500-first-practice-speeds/|website=MRN.com|publisher=Motor Racing Network|access-date=March 23, 2019|date=March 23, 2019}}{{cite web|title=Final Practice Results|url=https://www.mrn.com/2019/03/23/stp-500-final-practice-speeds-2019/

|website=MRN.com|publisher=Motor Racing Network|access-date=March 23, 2019|date=March 23, 2019}}{{cite web|title=Starting Lineup|url=https://www.mrn.com/2019/03/23/stp-500-starting-lineup-2019/|website=MRN.com|publisher=Motor Racing Network|access-date=March 23, 2019|date=March 23, 2019}}{{cite web|title=STP 500 Results|url=https://www.mrn.com/2019/03/24/2019-stp-500-results-martinsville-speedway/|website=MRN.com|publisher=Motor Racing Network|access-date=March 24, 2019|date=March 24, 2019}}{{cite web|title=Points standings|url=https://www.jayski.com/wp-content/uploads/sites/31/2019/05/2019-06cup-points.pdf|website=Jayski.com|publisher=Jayski's Silly Season Site|access-date=March 24, 2019|date=March 24, 2019}}

| Fulldate = {{Start date|2019|03|24}}

| Year = 2019

| Race_No = 6

| Season_No = 36

| Image = Martinsville Speedway track map.png

| Caption = Martinsville Speedway

| Location = Martinsville Speedway in Ridgeway, Virginia

| Course_mi = 0.526

| Course_km = 0.847

| Distance_laps = 500

| Distance_mi = 263

| Distance_km = 423.5

| Weather =

| Avg = {{convert|78.158|mph|km/h}}

| Pole_Driver = Joey Logano

| Pole_Team = Team Penske

| Pole_Time = 19.356

| Most_Driver = Brad Keselowski

| Most_Team = Team Penske

| Most_laps = 446

| Car = 2

| First_Driver = Brad Keselowski

| First_Team = Team Penske

| Network = FS1

| Announcers = Mike Joy, Jeff Gordon and Darrell Waltrip

| Ratings = 2.455 million{{cite web|title=STP 500 ratings|url=http://www.showbuzzdaily.com/articles/skedball-weekly-sports-tv-ratings-3-18-3-24-2019.html|archive-url=https://web.archive.org/web/20190326142148/http://www.showbuzzdaily.com/articles/skedball-weekly-sports-tv-ratings-3-18-3-24-2019.html|url-status=dead|archive-date=26 March 2019|website=ShowBuzzDaily|publisher=Mitch Metcalf|access-date=26 March 2019}}

| Radio = MRN

| Booth_Ann = Alex Hayden, Jeff Striegle, and Rusty Wallace

| Turn_Ann = Dave Moody (Backstretch)

}}

The 2019 STP 500 was a Monster Energy NASCAR Cup Series race that was held on March 24, 2019, at Martinsville Speedway in Ridgeway, Virginia. Contested over 500 laps on the .526 mile (.847 km) paperclip-shaped short track, it was the sixth race of the 2019 Monster Energy NASCAR Cup Series season.