To install Table.bsp:
Unzip the map into your Quake 2 folder (for example c:\quake2\baseq2\maps)
Start Q-Racing as usual, using the .bat file supplied with the mod
or using quake2.exe -set game Qracing, go to the console with the
tilde ~ key (top-left of the keyboard) and type 'map table'

If this doesn't fix your problems (and it may not, since I'm only the 
poor sod who runs Flitsoft's Web site) then bear with us, our resident
programmer is on the case...
Oh, and email us at flitsoft@telefragged.com and tell me if this has
helped or what problems you're having.

Steve (flitsoft@telefragged.com) 