By Dominic Aragon and Jonathan Fjeld

Photo: Ryan Bille/TRE

This weekend, all three NASCAR national series will take on the half-mile paper clip, Martinsville Speedway.

This is the final race for a playoff-eligible driver in the NASCAR Cup, Xfinity or Craftsman Truck Series to lock into the Championship 4 and race for a title at Phoenix Raceway.

NASCAR Cup Series’ Xfinity 500 race

Sunday, Oct. 26

2 p.m. (all times Eastern)

500 laps

Stages end on laps 130, 260, 500

NBC, MRN, SiriusXM NASCAR Radio Channel 90

Last year’s winner: Ryan Blaney

Photo: Ryan Bille/TRE

With 37 drivers entered for the race, the Cup Series will feature a full field.

The lone part-time entry is Casey Mears in the No. 66 Ford for Garage 66.

Odds for the NASCAR Cup Series Martinsville Race

Ryan Blaney, winner of the last two fall Martinsville races, is the opening odds-on favorite to win Sunday, per the Caesar Sportsbook as of Tues., Oct. 21.

Ryan Blaney +375

Denny Hamlin +500

Christopher Bell, Chase Elliott, Kyle Larson +600

William Byron +750

Joey Logano +800

Chase Briscoe +1600

Bubba Wallace +2500

Josh Berry +3000

Alex Bowman, Ross Chastain +3500

Brad Keselowski +4000

Ty Gibbs, Tyler Reddick +4500

Ryan Preece +6500

Chris Buescher +7000

Kyle Busch, Austin Cindric +7500

Carson Hocevar +8000

Austin Dillon +15000

A.J. Allmendinger, Todd Gilliland, Noah Gragson, Daniel Suarez +25000

Michael McDowell, Erik Jones, Zane Smith +35000

Ricky Stenhouse Jr. +50000

Cole Custer +75000

John Hunter Nemechek, Shane Van Gisbergen +10000

Justin Haley +12500

Ty Dillon, Riley Herbst +15000

Casey Mears, Cody Ware +25000

NASCAR Xfinity Series’ IAA and Richie Bros. 250 race

Saturday, Oct. 25

250 laps

Stages end on laps 60, 120, 250

CW, MRN, SiriusXM NASCAR Radio Channel 90

Last year’s winner: Aric Almirola

Photo: Dominic Aragon/The Racing Experts

One driver will miss the field with 39 drivers entered for the 38 spots.

Notable entries include:

Brad Perez: No. 07 SS-Green Light Racing

Brendan Queen: No. 11 Kaulig Racing

Garrett Smithley: No. 14 SS-Green Light Racing

Corey Day: No. 17 Hendrick Motorsports

Aric Almirola: No. 19 Joe Gibbs Racing

Patrick Staropoli: No. 24 Sam Hunt Racing

Austin Green: No. 32 Jordan Anderson Racing

Takuma Koga: No. 35 Joey Gase Motorsports

Josh Williams: No. 45 Alpha Prime Racing

Mason Maggio: No. 53 Joey Gase Motorsports

Thomas Annunziata: No. 70 Cope Family Racing

TBA: No. 74 Mike Harmon Racing

TBD: No. 91 DGM Racing x JIM

Connor Mosack: No. 99 Viking Motorsports

NASCAR Craftsman Truck Series’ Slim Jim 200 race

Friday, Oct. 24

200 laps

Stages end on laps 50, 100, 200

FS1, NRN, SiriusXM NASCAR Radio Channel 90

Last year’s winner: Christian Eckes

Photo: Jonathan Fjeld/TRE

The NASCAR Craftsman Truck Series will also feature a a 35-driver field.

Notable entries include:

Brent Crews: No. 1 TRICON Garage

Norm Benning: No. 6 Norm Benning Racing

Brendan Queen: No. 7 Hendrick Motorsports

Kris Wright: No. 16 McAnally Hilgemann Racing

TBA: No. 20 Youngs Motorsports

Alan Waller: No. 22 Reaume Brothers Racing

Frankie Muniz: No. 33 Reaume Brothers Racing

Connor Jones: No. 41 Niece Motorsports

Timmy Hill: No. 56 Hill Motorsports

Casey Mears: No. 69 MBM Motorsports

Caleb Costner: No. 74 Mike Harmon Racing

Corey LaJoie: No. 77 Spire Motorsports

Patrick Staropoli: No. 84 Cook Racing Technologies

Justin Carroll: No. 90 Terry Carroll Motorsports