Deren Chai

Age: 10 years old
Age Category: 10 & under
Team: Pleasanton Seahawks | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Pleasanton Seahawks Pacific Swimming Western Zone USA
Free 25 Y 16.23 8 09/16/2023 7 59 126 380
Free 50 Y 31.54 10 11/15/2025 BB A: 31.09 (+0.45s | 1.4%) 5 69 306 1,000+
Free 100 Y 1:08.55 10 01/31/2026 A AA: 1:06.79 (+1.76s | 2.6%) 5 46 189 694
Free 200 Y 2:27.71 10 01/10/2026 A AA: 2:25.29 (+2.42s | 1.6%) 4 32 118 451
Free 500 Y 6:36.58 10 12/12/2025 A AA: 6:26.59 (+9.99s | 2.5%) 4 27 78 369
50 Free
34.08
34.08
100 Free
38.18
1:12.26
100 Free
1:12.26
150 Free
40.32
1:52.58
200 Free
40.89
2:33.47
100 Free
1:21.21
250 Free
40.19
3:13.66
300 Free
40.94
3:54.60
100 Free
1:21.13
350 Free
40.65
4:35.25
400 Free
41.38
5:16.63
100 Free
1:22.03
450 Free
40.93
5:57.56
500 Free
39.02
6:36.58
100 Free
1:19.95
Back 25 Y 18.97 8 03/03/2024 5 26 48 146
Back 50 Y 35.28 10 01/31/2026 AA AAA: 33.99 (+1.29s | 3.7%) 4 29 103 396
Back 100 Y 1:15.35 10 01/10/2026 AA AAA: 1:12.49 (+2.86s | 3.8%) 4 23 89 349
Breast 25 Y 23.48 8 09/30/2023 8 80 167 518
Breast 50 Y 44.23 10 01/31/2026 BB A: 42.09 (+2.14s | 4.8%) 8 101 322 1,000+
Breast 100 Y 1:37.56 10 11/15/2025 BB A: 1:30.59 (+6.97s | 7.1%) 5 86 351 1,000+
50 Breast
47.08
47.08
100 Breast
50.48
1:37.56
100 Breast
1:37.56
Fly 25 Y 19.52 8 07/15/2023 9 88 166 556
Fly 50 Y 36.08 10 11/08/2025 BB A: 35.99 (+0.09s | 0.2%) 5 72 240 786
Fly 100 Y 1:20.40 10 11/08/2025 A AA: 1:19.49 (+0.91s | 1.1%) 4 29 147 525
IM 100 Y 1:18.25 10 11/15/2025 A AA: 1:16.39 (+1.86s | 2.4%) 5 45 143 442
50 IM
36.39
36.39
100 IM
41.86
1:18.25
100 IM
1:18.25
IM 200 Y 2:48.28 10 11/15/2025 A AA: 2:45.89 (+2.39s | 1.4%) 4 38 143 518
50 Fly
38.07
38.07
100 Back
41.53
1:19.60
100 IM
1:19.60
150 Breast
52.69
2:12.29
200 Free
35.99
2:48.28
100 IM
1:28.68

Long course distance

Event Time Age Date Standard Next Standard Pleasanton Seahawks Pacific Swimming Western Zone USA
Free 50 M 37.04 10 06/07/2025 BB A: 35.69 (+1.35s | 3.6%) 7 50 182 305
Free 100 M 1:22.50 10 06/20/2025 BB A: 1:20.19 (+2.31s | 2.8%) 8 44 168 271
Free 200 M 3:42.36 8 05/27/2023 B: 3:36.69 (+5.67s | 2.5%) 9 133 406 730
Free 400 M 6:17.08 10 06/20/2025 BB A: 6:06.59 (+10.49s | 2.8%) 5 20 47 113
Back 50 M 42.03 10 06/07/2025 A AA: 41.09 (+0.94s | 2.2%) 5 29 97 160
Back 100 M 1:28.19 10 07/11/2025 AA AAA: 1:24.09 (+4.10s | 4.6%) 4 19 54 93
Breast 50 M 54.42 10 04/26/2025 B BB: 54.39 (+0.03s | 0.1%) 8 93 313 510
Breast 100 M 1:59.27 9 06/08/2024 B BB: 1:59.19 (+0.08s | 0.1%) 7 83 284 454
Fly 50 M 42.62 10 06/20/2025 BB A: 40.59 (+2.03s | 4.8%) 7 47 178 284
Fly 100 M 1:33.26 10 06/20/2025 A AA: 1:30.69 (+2.57s | 2.8%) 6 24 82 120
IM 200 M 3:40.87 9 06/22/2024 BB A: 3:17.89 (+22.98s | 10.4%) 11 68 205 350

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