2018 STP 500

The 2018 STP 500 was a Monster Energy NASCAR Cup Series race held on March 26, 2018, at Martinsville Speedway in Ridgeway, Virginia. Contested over 500 laps on the .526 mile (.847 km) paperclip-shaped short track, it was sixth race of the 2018 Monster Energy NASCAR Cup Series season. The race was postponed from Sunday, March 25 to Monday, March 26 due to snow accumulation in Martinsville.

Martinsville Speedway, the track where the race was held.

Martinsville Speedway is an International Speedway Corporation-owned NASCAR stock car racing track located in Henry County, in Ridgeway, Virginia, just to the south of Martinsville. At 0.526 miles (0.847 km) in length, it is the shortest track in the Monster Energy NASCAR Cup Series. The track was also one of the first paved oval tracks in NASCAR, being built in 1947 by H. Clay Earles. It is also the only remaining race track that has been on the NASCAR circuit from its beginning in 1948.

Martin Truex Jr. was the fastest in the first practice session with a time of 19.776 seconds and a speed of 95.752 mph (154.098 km/h).

Martin Truex Jr. was the fastest in the final practice session with a time of 19.846 seconds and a speed of 95.415 mph (153.556 km/h).

Qualifying for Saturday was cancelled due to snow and Martin Truex Jr., the point leader, was awarded the pole as a result.

Clint Bowyer won the race, breaking a dry spell of 190 losses.

Stage One Laps: 130

Stage Two Laps: 130

Stage Three Laps: 240

• Lead changes: 6 among different drivers
• Cautions/Laps: 4 for 33
• Red flags: 0
• Time of race: 3 hours, 13 minutes and 14 seconds
• Average speed: 81.663 miles per hour (131.424 km/h)

Fox Sports was covering their 18th race at the Martinsville Speedway. Mike Joy, nine-time Martinsville winner Jeff Gordon and 11-time Martinsville winner Darrell Waltrip called in the booth for the race. Jamie Little, Vince Welch and Matt Yocum handled pit road duties for the entire race.

MRN had the radio call for the race which would also be simulcasted on Sirius XM NASCAR Radio. Joe Moore, Jeff Striegle and seven-time Martinsville winner Rusty Wallace called the race in the booth as the cars were on the frontstretch. Dave Moody called the race from atop the turn 3 stands as the field is racing down the backstretch. Alex Hayden, Winston Kelley and Steve Post worked pit road for the radio side.