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Emma Chiu

Age: 12 years old
Age Category: 11-12
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 Y 30.96 12 02/22/2025 BB A: 29.29 (+1.67s | 5.4%) 26 274 1,000+ 1,000+
Free 100 Y 1:06.71 Analysis 12 11/15/2025 BB A: 1:03.99 (+2.72s | 4.1%) 20 198 851 1,000+
Free 200 Y 2:26.59 Analysis 12 11/01/2025 BB A: 2:19.29 (+7.30s | 5.0%) 15 154 703 1,000+
Free 500 Y 8:18.91 Analysis 12 11/11/2023 B: 7:16.89 (+62.02s | 12.4%) 22 269 1,000+ 1,000+
50 Free
41.65
41.65
100 Free
49.24
1:30.89
100 Free
1:30.89
150 Free
50.91
2:21.80
200 Free
51.40
3:13.20
100 Free
1:42.31
250 Free
52.22
4:05.42
300 Free
52.23
4:57.65
100 Free
1:44.45
350 Free
51.91
5:49.56
400 Free
53.22
6:42.78
100 Free
1:45.13
450 Free
50.02
7:32.80
500 Free
46.11
8:18.91
100 Free
1:36.13
Back 50 Y 36.11 12 10/25/2025 B BB: 35.99 (+0.12s | 0.3%) 18 200 944 1,000+
Back 100 Y 1:16.53 Analysis 12 11/01/2025 BB A: 1:12.99 (+3.54s | 4.6%) 15 142 709 1,000+
Back 200 Y 2:45.33 Analysis 12 11/01/2025 BB A: 2:33.89 (+11.44s | 6.9%) 12 109 395 1,000+
Breast 50 Y 36.65 12 10/25/2025 A AA: 36.19 (+0.46s | 1.3%) 5 47 220 771
Breast 100 Y 1:20.23 Analysis 12 07/20/2025 A AA: 1:18.59 (+1.64s | 2.0%) 5 55 270 1,000+
50 Breast
38.18
38.18
100 Breast
42.05
1:20.23
100 Breast
1:20.23
Breast 200 Y 2:51.94 Analysis 12 07/20/2025 A AA: 2:48.99 (+2.95s | 1.7%) 4 43 146 530
50 Breast
41.08
41.08
100 Breast
44.03
1:25.11
100 Breast
1:25.11
150 Breast
44.32
2:09.43
200 Breast
42.51
2:51.94
100 Breast
1:26.83
Fly 50 Y 33.16 12 07/20/2025 BB A: 31.59 (+1.57s | 4.7%) 12 160 643 1,000+
Fly 100 Y 1:22.26 Analysis 12 02/14/2025 B BB: 1:18.89 (+3.37s | 4.1%) 14 180 822 1,000+
50 Fly
37.59
37.59
100 Fly
44.67
1:22.26
100 Fly
1:22.26
IM 100 Y 1:14.57 Analysis 12 12/12/2025 BB A: 1:13.09 (+1.48s | 2.0%) 11 126 509 1,000+
50 IM
35.37
35.37
100 IM
39.20
1:14.57
100 IM
1:14.57
IM 200 Y 2:40.29 Analysis 12 11/01/2025 BB A: 2:37.59 (+2.70s | 1.7%) 10 107 465 1,000+
IM 400 Y 6:25.65 Analysis 12 11/23/2024 B BB: 6:03.69 (+21.96s | 5.7%) 12 100 346 1,000+
50 Fly
41.24
41.24
100 Fly
49.88
1:31.12
100 Fly
1:31.12
150 Back
49.64
2:20.76
200 Back
49.92
3:10.68
100 Back
1:39.56
250 Breast
52.02
4:02.70
300 Breast
52.10
4:54.80
100 Breast
1:44.12
350 Free
45.62
5:40.42
400 Free
45.23
6:25.65
100 Free
1:30.85

Long course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 M 33.32 12 05/29/2026 BB A: 33.19 (+0.13s | 0.4%) 13 93 427 1,000+
Free 100 M 1:11.67 Analysis 12 05/16/2026 A AA: 1:10.29 (+1.38s | 1.9%) 6 67 252 769
Free 200 M 2:56.98 Analysis 12 05/30/2025 B BB: 2:53.09 (+3.89s | 2.2%) 14 188 830 1,000+
Free 400 M 6:40.23 Analysis 12 06/07/2024 B: 6:32.89 (+7.34s | 1.8%) 14 125 588 1,000+
Back 50 M 45.80 12 05/30/2025 B: 44.79 (+1.01s | 2.2%) 31 300 1,000+ 1,000+
Back 100 M 1:42.23 Analysis 12 04/19/2024 B: 1:40.59 (+1.64s | 1.6%) 33 297 1,000+ 1,000+
Breast 50 M 42.96 12 05/29/2026 BB A: 42.69 (+0.27s | 0.6%) 3 44 218 553
Breast 100 M 1:32.86 Analysis 12 05/29/2026 A AA: 1:29.99 (+2.87s | 3.1%) 4 35 159 419
Breast 200 M 3:21.78 Analysis 12 06/06/2025 A AA: 3:14.49 (+7.29s | 3.6%) 5 35 89 264
50 Breast
46.85
46.85
100 Breast
51.85
1:38.70
100 Breast
1:38.70
150 Breast
52.83
2:31.53
200 Breast
50.25
3:21.78
100 Breast
1:43.08
Fly 50 M 36.54 12 05/29/2026 BB A: 35.79 (+0.75s | 2.1%) 8 91 359 927

Above are the fastest times that Emma Chiu has achieved in her swimming career. For each event, you can find Emma's best time, the corresponding time standard, as well as how much faster Emma needs to be to reach the next level. The last columns provide Emma rankings at the team and LSC levels. These rankings are based on the Emma's personal best, her current age category, and team; and are calculated from all the meets results.

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.