This is how I line up race class. May or may not suit all.

WFA
Group races
Open handicaps (Saturday and public holidays)
Open handicaps (Provincial - Sundays)
Welter (Saturdays and public holidays)
Flying (Provincial / Sunday)
Class 6 Saturday
Welter / mares handicap (provincial / Sunday)
Class 6 Provincial**
0 - 90 and better
Restricted Handicaps e.g. 1MW, 2MW etc
0 - 80 up to 0- 89
Class 5
0 - 75 up to 0 - 79
Class 4
3YO 1Metro win
0 - 72 up to 0-74
Class 3
0 - 63 up to 0-71
Class 2
3YO Open
0-55 up to 0 - 62
Class 1
3YO Restricted
2YO Quality**
Maiden City
2YO open
Maiden Provincial
Maiden Country

That is not to say that each field may have vastly different field strengths.
Hope this doesn't confuse you too much Horse, but stick with it you will eventually get the hang of it.

__________________
Jose'.