Thanks to Colin Smith for the following info

Sprint Cars

1nz Daniel Thomas, 13.109secs 4/11/23

Midget Cars

1nz Michael Pickens, 15.291secs 21/10/23

F2 Midget Cars

22m James Earl, 16.099s 27/01/24

Super Saloons

1nz Chris Cowling, 16.153secs 30/03/24

Six Shooters

71r Boyd Westbury, 16.737secs 11/11/23

Super Stocks

99m Todd Hemingway, 18.973secs 4/11/23

Stock Cars

92a Sam Wright, 19.910secs, 9/03/24

Youth Mini Stocks

137a Peanuckle Rawiri, 21.431secs 30/03/24