Brock Zearfoss

6/26/2026 - Williams Grove Speedway

6/26/2026 - Williams Grove Speedway

Mechanicsburg, PA

The 2026 Pennsylvania Speedweek kicks off tonight at Williams Grove Speedway! The 410 Sprint Cars and Wingless Sportsman will showcase the event as 10 straight days of racing kicks off in Mechanicsburg.

This will be a PA Posse 410 Sprint Series event.

GA $30
Youth (13-20) $15
12 & Under FREE
Pits $40

Tentative 410 Format: PA Speedweek

Event Times

  • Pits Open5:30 PM
  • Gates Open5:30 PM
  • Hot Laps At7:00 PM
  • Racing Starts7:30 PM

Classes

  • Lawrence Chevrolet 410 Sprint Cars
    • PA Posse 410 Sprint Series

Track Contact

Full Event Information on MyRacePass

Mooses LZ Bar
Berkebile Oil Company
Bruces Speed Shop
Schaeffers Racing Oil
G-Force Transmissions
AL Driveline
Heavy Equipment Loaders and Parts
Adamsky Trucking
All Star Performance
Chalk Stix
FK Rod Ends
Protection First Class Outdoors
Milton Hershey School
Titan Wings
CSI Shocks
Bell Helmets
High Performance Lubricants
Winter Performance Machine
Godfrey Racing Engines
Tech 61
Shilling Excavating
Brock Zearfoss Racing
MyRacePass Management