William Chang

Age: 10 years old
Age Category: 10 & under
Team: Sunnyvale Swim Club | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Sunnyvale Swim Club Pacific Swimming Western Zone USA
Free 50 Y 39.33 10 09/28/2025 B: 38.19 (+1.14s | 2.9%) 12 456 1,000+ 1,000+
Free 100 Y 1:19.83 11 02/07/2026 B BB: 1:18.89 (+0.94s | 1.2%) 5 205 775 1,000+
50 Free
37.44
37.44
100 Free
42.39
1:19.83
100 Free
1:19.83
Breast 50 Y 46.64 10 10/25/2025 BB A: 42.09 (+4.55s | 9.8%) 4 166 552 1,000+
Breast 100 Y 1:42.26 10 12/06/2025 BB A: 1:30.59 (+11.67s | 11.4%) 2 142 538 1,000+
50 Breast
48.51
48.51
100 Breast
53.75
1:42.26
100 Breast
1:42.26
Breast 200 Y 3:30.16 11 02/07/2026 1 3 32 174
50 Breast
49.25
49.25
100 Breast
52.66
1:41.91
100 Breast
1:41.91
150 Breast
55.64
2:37.55
200 Breast
52.61
3:30.16
100 Breast
1:48.25
Fly 50 Y 42.47 11 02/07/2026 B BB: 41.29 (+1.18s | 2.8%) 7 209 706 1,000+
Fly 100 Y 1:53.96 10 10/11/2025 B: 1:53.49 (+0.47s | 0.4%) 10 150 628 1,000+
IM 100 Y 1:33.80 10 10/25/2025 B BB: 1:29.69 (+4.11s | 4.4%) 8 240 825 1,000+

Long course distance

Event Time Age Date Standard Next Standard Sunnyvale Swim Club Pacific Swimming Western Zone USA
Free 50 M 47.59 10 06/27/2025 B: 43.89 (+3.70s | 7.8%) 9 285 924 1,000+
Free 100 M 1:48.53 10 06/27/2025 B: 1:40.99 (+7.54s | 6.9%) 11 276 829 1,000+
Breast 50 M 58.92 10 06/27/2025 B BB: 54.39 (+4.53s | 7.7%) 5 178 536 904
Breast 100 M 2:09.01 10 06/27/2025 B BB: 1:59.19 (+9.82s | 7.6%) 6 156 462 765
Fly 50 M 56.01 10 06/27/2025 B: 52.29 (+3.72s | 6.6%) 5 164 538 943
Fly 100 M 2:11.97 10 06/27/2025 B: 2:09.49 (+2.48s | 1.9%) 5 69 273 441

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