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Isaac Chang

Age: 18 years old
Age Category: 17-18
Team: Beach Cities Alpha | Southern California Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Beach Cities Alpha Southern California Swimming Western Zone USA
Free 50 Y 21.59 18 02/13/2026 AAA AAAA: 20.69 (+0.90s | 4.2%) 4 49 233 734
Free 100 Y 46.54 Analysis 18 02/13/2026 AAA AAAA: 45.29 (+1.25s | 2.7%) 4 32 159 491
50 Free
22.47
22.47
100 Free
24.07
46.54
100 Free
46.54
Free 200 Y 1:42.83 Analysis 18 11/06/2025 AAA AAAA: 1:40.19 (+2.64s | 2.6%) 3 54 197 615
50 Free
24.20
24.20
100 Free
26.14
50.34
100 Free
50.34
150 Free
26.07
1:16.41
200 Free
26.42
1:42.83
100 Free
52.49
Free 500 Y 5:16.21 Analysis 18 02/18/2022 BB A: 5:11.39 (+4.82s | 1.5%) 8 216 877 1,000+
50 Free
27.27
27.27
100 Free
30.43
57.70
100 Free
57.70
150 Free
31.34
1:29.04
200 Free
31.98
2:01.02
100 Free
1:03.32
250 Free
32.03
2:33.05
300 Free
32.08
3:05.13
100 Free
1:04.11
350 Free
32.73
3:37.86
400 Free
32.95
4:10.81
100 Free
1:05.68
450 Free
33.19
4:44.00
500 Free
32.21
5:16.21
100 Free
1:05.40
Free 1650 Y 18:36.98 Analysis 18 02/18/2022 BB A: 18:07.69 (+29.29s | 2.6%) 5 117 421 1,000+
50 Free
28.70
28.70
100 Free
32.10
1:00.80
100 Free
1:00.80
150 Free
33.01
1:33.81
200 Free
32.14
2:05.95
100 Free
1:05.15
250 Free
32.82
2:38.77
300 Free
32.89
3:11.66
100 Free
1:05.71
350 Free
32.82
3:44.48
400 Free
33.76
4:18.24
100 Free
1:06.58
450 Free
33.76
4:52.00
500 Free
33.47
5:25.47
100 Free
1:07.23
550 Free
33.41
5:58.88
600 Free
34.23
6:33.11
100 Free
1:07.64
650 Free
34.25
7:07.36
700 Free
34.18
7:41.54
100 Free
1:08.43
750 Free
34.31
8:15.85
800 Free
34.28
8:50.13
100 Free
1:08.59
850 Free
35.08
9:25.21
900 Free
34.50
9:59.71
100 Free
1:09.58
950 Free
34.83
10:34.54
1000 Free
34.13
11:08.67
100 Free
1:08.96
1050 Free
34.20
11:42.87
1100 Free
34.35
12:17.22
100 Free
1:08.55
1150 Free
34.17
12:51.39
1200 Free
35.29
13:26.68
100 Free
1:09.46
1250 Free
34.94
14:01.62
1300 Free
34.99
14:36.61
100 Free
1:09.93
1350 Free
34.61
15:11.22
1400 Free
35.31
15:46.53
100 Free
1:09.92
1450 Free
34.87
16:21.40
1500 Free
34.18
16:55.58
100 Free
1:09.05
1550 Free
33.82
17:29.40
1600 Free
33.81
18:03.21
100 Free
1:07.63
1650 Free
33.77
18:36.98
Back 50 Y 26.74 18 12/09/2022 6 116 504 1,000+
Back 100 Y 57.41 Analysis 18 12/09/2022 BB A: 55.89 (+1.52s | 2.6%) 9 179 747 1,000+
50 Back
27.29
27.29
100 Back
30.12
57.41
100 Back
57.41
Back 200 Y 1:57.08 Analysis 18 11/07/2024 AA AAA: 1:53.09 (+3.99s | 3.4%) 2 55 224 680
50 Back
27.44
27.44
100 Back
29.54
56.98
100 Back
56.98
150 Back
30.32
1:27.30
200 Back
29.78
1:57.08
100 Back
1:00.10
Breast 50 Y 27.13 18 02/13/2026 3 20 100 252
Breast 100 Y 55.78 Analysis 18 02/26/2026 AAAA 2 9 45 122
50 Breast
26.60
26.60
100 Breast
29.18
55.78
100 Breast
55.78
Breast 200 Y 2:03.42 Analysis 18 11/06/2025 AAA AAAA: 2:01.69 (+1.73s | 1.4%) 3 14 64 166
50 Breast
27.36
27.36
100 Breast
31.26
58.62
100 Breast
58.62
150 Breast
31.61
1:30.23
200 Breast
33.19
2:03.42
100 Breast
1:04.80
Fly 50 Y 27.35 18 12/18/2020 11 155 911 1,000+
Fly 100 Y 49.26 Analysis 18 12/10/2025 AAA AAAA: 49.09 (+0.17s | 0.3%) 3 10 49 151
50 Fly
23.04
23.04
100 Fly
26.22
49.26
100 Fly
49.26
Fly 200 Y 1:48.64 Analysis 18 02/26/2026 AAAA 1 6 26 80
50 Fly
24.86
24.86
100 Fly
27.72
52.58
100 Fly
52.58
150 Fly
27.73
1:20.31
200 Fly
28.33
1:48.64
100 Fly
56.06
IM 200 Y 1:50.76 Analysis 18 12/10/2025 AAA AAAA: 1:50.59 (+0.17s | 0.2%) 1 9 44 127
50 Fly
24.21
24.21
100 Back
28.97
53.18
100 IM
53.18
150 Breast
30.97
1:24.15
200 Free
26.61
1:50.76
100 IM
57.58
IM 400 Y 4:06.16 Analysis 18 11/07/2024 AAA AAAA: 3:57.99 (+8.17s | 3.3%) 2 38 119 362
50 Fly
25.70
25.70
100 Fly
29.08
54.78
100 Fly
54.78
150 Back
31.06
1:25.84
200 Back
32.24
1:58.08
100 Back
1:03.30
250 Breast
33.37
2:31.45
300 Breast
35.30
3:06.75
100 Breast
1:08.67
350 Free
30.05
3:36.80
400 Free
29.36
4:06.16
100 Free
59.41

Long course distance

Event Time Age Date Standard Next Standard Beach Cities Alpha Southern California Swimming Western Zone USA
Free 50 M 26.06 18 07/20/2023 AA AAA: 25.09 (+0.97s | 3.7%) 9 165 516 1,000+
Free 100 M 55.44 Analysis 18 02/29/2024 AA AAA: 54.89 (+0.55s | 1.0%) 9 113 296 675
Free 200 M 2:03.91 Analysis 18 04/10/2025 AA AAA: 2:00.09 (+3.82s | 3.1%) 7 141 365 822
50 Free
28.43
28.43
100 Free
31.25
59.68
100 Free
59.68
150 Free
32.57
1:32.25
200 Free
31.65
2:03.91
100 Free
1:04.23
Back 100 M 1:02.53 Analysis 18 07/11/2025 AA AAA: 1:00.89 (+1.64s | 2.6%) 2 57 177 404
Breast 50 M 31.27 18 04/10/2025 2 14 67 139
Breast 100 M 1:05.60 Analysis 18 05/23/2025 AAA AAAA: 1:05.09 (+0.51s | 0.8%) 1 10 34 69
50 Breast
31.19
31.19
100 Breast
34.41
1:05.60
100 Breast
1:05.60
Breast 200 M 2:24.88 Analysis 18 05/23/2025 AAA AAAA: 2:21.89 (+2.99s | 2.1%) 3 18 48 100
50 Breast
33.30
33.30
100 Breast
37.59
1:10.89
100 Breast
1:10.89
150 Breast
37.67
1:48.56
200 Breast
36.32
2:24.88
100 Breast
1:13.99
Fly 100 M 57.77 Analysis 18 05/23/2025 AAA AAAA: 55.99 (+1.78s | 3.1%) 3 31 75 168
50 Fly
27.17
27.17
100 Fly
30.60
57.77
100 Fly
57.77
Fly 200 M 2:14.14 Analysis 18 05/24/2024 AA AAA: 2:11.29 (+2.85s | 2.1%) 5 52 135 282
50 Fly
31.57
31.57
100 Fly
34.70
1:06.27
100 Fly
1:06.27
150 Fly
34.31
1:40.58
200 Fly
33.56
2:14.14
100 Fly
1:07.87
IM 200 M 2:14.01 Analysis 18 06/12/2025 AAA AAAA: 2:08.99 (+5.02s | 3.7%) 4 43 122 267
50 Fly
29.06
29.06
100 Back
35.22
1:04.28
100 IM
1:04.28
150 Breast
39.43
1:43.71
200 Free
30.30
2:14.01
100 IM
1:09.73

Above are the fastest times that Isaac Chang has achieved in his swimming career. For each event, you can find Isaac's best time, the corresponding time standard, as well as how much faster Isaac needs to be to reach the next level. The last columns provide Isaac rankings at the team and LSC levels. These rankings are based on the Isaac's personal best, his 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.