Yu-Sen Lo

Age: 15 years old
Age Category: 15-16
Team: Alto Swim Club | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Alto Swim Club Pacific Swimming Western Zone USA
Free 50 Y 23.85 15 12/19/2025 A AA: 23.19 (+0.66s | 2.8%) 18 228 885 1,000+
Free 100 Y 51.78 14 10/25/2025 A AA: 50.99 (+0.79s | 1.5%) 17 225 881 1,000+
Free 200 Y 1:51.81 15 01/17/2026 A AA: 1:51.79 (+0.02s | 0.0%) 12 152 588 1,000+
50 Free
25.36
25.36
100 Free
28.12
53.48
100 Free
53.48
150 Free
29.38
1:22.86
200 Free
28.95
1:51.81
100 Free
58.33
Free 500 Y 5:00.14 15 01/17/2026 AA AAA: 4:49.49 (+10.65s | 3.5%) 10 107 401 1,000+
50 Free
26.07
26.07
100 Free
30.03
56.10
100 Free
56.10
150 Free
30.65
1:26.75
200 Free
30.52
1:57.27
100 Free
1:01.17
250 Free
30.89
2:28.16
300 Free
30.98
2:59.14
100 Free
1:01.87
350 Free
30.90
3:30.04
400 Free
30.72
4:00.76
100 Free
1:01.62
450 Free
30.67
4:31.43
500 Free
28.71
5:00.14
100 Free
59.38
Free 1000 Y 10:50.02 15 12/19/2025 A AA: 10:33.99 (+16.03s | 2.5%) 7 91 380 1,000+
Free 1650 Y 18:03.12 15 12/19/2025 A AA: 17:36.89 (+26.23s | 2.4%) 10 92 331 856
50 Free
26.57
26.57
100 Free
29.42
55.99
100 Free
55.99
150 Free
31.78
1:27.77
200 Free
32.09
1:59.86
100 Free
1:03.87
250 Free
32.25
2:32.11
300 Free
32.72
3:04.84
100 Free
1:04.98
350 Free
32.62
3:37.46
400 Free
33.16
4:10.62
100 Free
1:05.78
450 Free
33.38
4:44.00
500 Free
33.04
5:17.04
100 Free
1:06.42
550 Free
32.84
5:49.88
600 Free
33.25
6:23.13
100 Free
1:06.09
650 Free
33.45
6:56.58
700 Free
33.05
7:29.63
100 Free
1:06.50
750 Free
33.38
8:03.01
800 Free
32.94
8:35.95
100 Free
1:06.32
850 Free
33.35
9:09.30
900 Free
33.51
9:42.81
100 Free
1:06.86
950 Free
33.92
10:16.73
1000 Free
33.29
10:50.02
100 Free
1:07.21
1050 Free
33.59
11:23.61
1100 Free
33.75
11:57.36
100 Free
1:07.34
1150 Free
33.36
12:30.72
1200 Free
33.87
13:04.59
100 Free
1:07.23
1250 Free
34.02
13:38.61
1300 Free
33.82
14:12.43
100 Free
1:07.84
1350 Free
32.98
14:45.41
1400 Free
33.72
15:19.13
100 Free
1:06.70
1450 Free
33.73
15:52.86
1500 Free
34.11
16:26.97
100 Free
1:07.84
1550 Free
32.94
16:59.91
1600 Free
33.12
17:33.03
100 Free
1:06.06
1650 Free
30.09
18:03.12
Back 50 Y 31.64 13 11/09/2024 20 264 1,000+ 1,000+
Back 100 Y 1:00.48 15 12/19/2025 BB A: 57.89 (+2.59s | 4.3%) 19 204 894 1,000+
50 Back
29.06
29.06
100 Back
31.42
1:00.48
100 Back
1:00.48
Back 200 Y 2:13.85 15 01/17/2026 BB A: 2:06.59 (+7.26s | 5.4%) 16 182 830 1,000+
50 Back
29.92
29.92
100 Back
33.45
1:03.37
100 Back
1:03.37
150 Back
35.11
1:38.48
200 Back
35.37
2:13.85
100 Back
1:10.48
Breast 50 Y 29.27 15 12/19/2025 3 30 176 486
Breast 100 Y 1:02.82 15 01/24/2026 AA AAA: 1:00.39 (+2.43s | 3.9%) 11 88 307 906
50 Breast
29.58
29.58
100 Breast
33.24
1:02.82
100 Breast
1:02.82
Breast 200 Y 2:17.83 15 01/17/2026 A AA: 2:17.29 (+0.54s | 0.4%) 13 85 298 803
50 Breast
30.17
30.17
100 Breast
34.95
1:05.12
100 Breast
1:05.12
150 Breast
36.65
1:41.77
200 Breast
36.06
2:17.83
100 Breast
1:12.71
Fly 50 Y 27.29 13 11/09/2024 16 139 626 1,000+
Fly 100 Y 54.54 15 01/24/2026 AA AAA: 52.79 (+1.75s | 3.2%) 10 95 331 924
50 Fly
25.54
25.54
100 Fly
29.00
54.54
100 Fly
54.54
Fly 200 Y 1:57.93 15 02/07/2026 AAA AAAA: 1:52.69 (+5.24s | 4.4%) 4 43 128 354
50 Fly
25.62
25.62
100 Fly
29.55
55.17
100 Fly
55.17
150 Fly
30.81
1:25.98
200 Fly
31.95
1:57.93
100 Fly
1:02.76
IM 200 Y 2:03.86 15 12/19/2025 AA AAA: 1:58.59 (+5.27s | 4.3%) 13 109 412 1,000+
50 Fly
25.43
25.43
100 Back
33.10
58.53
100 IM
58.53
150 Breast
34.56
1:33.09
200 Free
30.77
2:03.86
100 IM
1:05.33
IM 400 Y 4:24.46 15 01/17/2026 AA AAA: 4:13.19 (+11.27s | 4.3%) 9 82 299 824
50 Fly
13.70
13.70
100 Fly
13.03
26.73
100 Fly
26.73
150 Back
31.00
57.73
200 Back
36.32
1:34.05
100 Back
1:07.32
250 Breast
36.40
2:10.45
300 Breast
36.06
2:46.51
100 Breast
1:12.46
350 Free
37.45
3:23.96
400 Free
1:00.50
4:24.46
100 Free
1:37.95

Long course distance

Event Time Age Date Standard Next Standard Alto Swim Club Pacific Swimming Western Zone USA
Free 50 M 27.45 14 07/11/2025 A AA: 26.99 (+0.46s | 1.7%) 12 198 762 1,000+
Free 100 M 1:02.17 14 06/27/2025 BB A: 1:01.49 (+0.68s | 1.1%) 18 261 1,000+ 1,000+
Free 200 M 2:14.74 14 06/27/2025 BB A: 2:14.29 (+0.45s | 0.3%) 15 193 797 1,000+
Free 400 M 5:01.28 13 06/07/2024 BB A: 4:46.39 (+14.89s | 4.9%) 12 205 869 1,000+
Free 1500 M 19:58.22 13 06/07/2024 BB A: 18:58.49 (+59.73s | 5.0%) 5 88 387 801
Back 50 M 45.70 12 06/09/2023 18 434 1,000+ 1,000+
Back 100 M 1:16.40 14 06/27/2025 B BB: 1:13.69 (+2.71s | 3.5%) 13 262 1,000+ 1,000+
Back 200 M 3:03.11 13 04/27/2024 B: 2:52.29 (+10.82s | 5.9%) 16 284 1,000+ 1,000+
Breast 50 M 34.59 14 06/27/2025 4 36 163 406
Breast 100 M 1:14.56 14 07/31/2025 A AA: 1:13.49 (+1.07s | 1.4%) 8 83 316 634
Breast 200 M 2:45.10 14 07/31/2025 A AA: 2:39.79 (+5.31s | 3.2%) 8 79 291 610
Fly 50 M 28.80 14 06/27/2025 5 26 143 395
Fly 100 M 1:03.08 14 07/31/2025 AA AAA: 1:00.29 (+2.79s | 4.4%) 8 79 283 637
Fly 200 M 2:21.88 14 07/11/2025 A AA: 2:21.09 (+0.79s | 0.6%) 3 46 170 390
IM 200 M 2:26.93 14 07/31/2025 A AA: 2:24.69 (+2.24s | 1.5%) 8 120 455 1,000+
IM 400 M 5:14.23 14 07/11/2025 A AA: 5:07.79 (+6.44s | 2.0%) 6 87 326 699

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