| Boy's 13 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
1:06.80 |
Theo P |
Westside Christ Church Aquatic |
13 |
405 |
|
|
 |
2. |
1:10.71 |
Tadhg H |
Breakers WA |
13 |
342 |
|
|
 |
3. |
1:13.15 |
Cael V |
Westside Christ Church Aquatic |
13 |
308 |
|
|
 |
4. |
1:16.23 |
Frankie D |
South Lake Dolphins |
13 |
272 |
|
|
 |
5. |
1:20.78 |
Liam S |
South Lake Dolphins |
13 |
229 |
|
|
| Boy's 14 to 15 years 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
 |
1. |
1:00.57 |
Sebastian M |
South Lake Dolphins |
15 |
544 |
|
|
 |
2. |
1:06.68 |
Arash N |
South Lake Dolphins |
15 |
407 |
|
|
 |
3. |
1:08.61 |
Yanson S |
South Lake Dolphins |
15 |
374 |
|
|
|
4. |
1:12.36 |
Ren H |
Canning Districts |
14 |
319 |
|
|
 |
5. |
1:19.60 |
Ethen P |
Riverton Aquanauts |
15 |
239 |
|
|
| Men's 16 years and over 100m Butterfly |
| Final |
|
Time |
Name |
Club |
Age |
FINA PS |
Splits |
Ranking |
|
1. |
1:02.42 |
Stephen H |
Rockingham |
44 |
497 |
|
|
 |
2. |
1:02.80 |
Matvey M |
Breakers WA |
16 |
488 |
|
|
 |
3. |
1:04.40 |
Kalel J |
Rockingham |
16 |
452 |
|
|