|1:43.00||100m Individual Medley||1:47.00|
The Grade B Standard can be achieved in one of the following ways:
- Achieve both the 100m Freestyle and the 100m Individual Medley qualifying times.
- Achieve the 100m Freestyle qualifying time + any two of 50m Backstroke or 50m Breaststroke or 50m Butterfly.
- Achieve the 100m Individual Medley qualifying time + any two of 50m Backstroke or 50m Breaststroke or 50m Butterfly.
At Grade C galas, swimmers must swim a minimum of 2 events(100m Freestyle and 100m IM) and a maximum of 5 events.
Swimmers who achieve the Grade B standard can no longer compete at Grade C competitions.