| Boy's 10 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
1:37.88 |
Brodie D |
Australind |
10 |
128 |
|
|
| Boy's 11 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
1:32.73 |
Mitchell H |
Australind |
11 |
151 |
|
|
| Boy's 13 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
1:14.81 |
Lachlan S |
Australind |
13 |
288 |
|
|
 |
2. |
1:28.87 |
Noah K |
Peel Aquatic |
13 |
172 |
|
|
| Boy's 14 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
|
1. |
1:12.21 |
Tex C |
Busselton |
14 |
321 |
|
|
| Boy's 15 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
1:03.52 |
Daniel S |
Busselton |
15 |
471 |
|
|
 |
2. |
1:07.88 |
Keiro J |
Australind |
15 |
386 |
|
|
|
3. |
1:09.50 |
Tom W |
Busselton |
15 |
360 |
|
|
| Men's 17 years and over 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
55.42 |
Sean A |
Peel Aquatic |
18 |
710 |
|
|
 |
2. |
1:00.56 |
Luke M |
Mandurah |
17 |
544 |
|
|