Boney Chic/Will, those times are for members of swim school/Masters not just triathlon.
ADULT SQUADS
Adult swim squad sessions cater for swimmers who wish to improve their fitness and stroke technique. Classes depend on lane/instructor availability.
SESSIONS
MON, WED, FRI 5.00am - 7.00am Give them a call on (02) 9752 3666 as I do know they have early evening squads but not 100% sure if adults.
My kids have been going to SIAC since they were babies, eldest is 14 now.
Masters is good for racing. It will improve that racing edge you may be looking for.
http://www.aussimastswimnsw.org.au/I have a friend, Jenny Whiteley who has held / holds many world records over the years in Masters swimming. I remember her telling me about a 1500mtr (yes 1500mtr) butterfly record (I think it was a aussie record). I am lucky to 10mtrs in that stroke.