Sienna Chong

Age: 10 years old
Age Category: 10 & under
Team: Rockville Montgomery Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Rockville Montgomery Swim Club Potomac Valley Swimming Eastern Zone USA
Free 50 Y 34.63 10 12/11/2025 BB A: 32.09 (+2.54s | 7.3%) 47 210 858 1,000+
Free 100 Y 1:21.85 10 11/14/2025 B BB: 1:21.09 (+0.76s | 0.9%) 75 287 1,000+ 1,000+
50 Free
38.85
38.85
100 Free
43.00
1:21.85
100 Free
1:21.85
Back 50 Y 41.00 10 10/17/2025 BB A: 37.99 (+3.01s | 7.3%) 50 226 853 1,000+
Back 100 Y 1:24.27 10 12/11/2025 BB A: 1:22.29 (+1.98s | 2.3%) 27 111 433 1,000+
50 Back
40.65
40.65
100 Back
43.62
1:24.27
100 Back
1:24.27
Back 200 Y 3:11.00 10 11/14/2025 4 33 108 228
50 Back
43.89
43.89
100 Back
48.18
1:32.07
100 Back
1:32.07
150 Back
49.53
2:21.60
200 Back
49.40
3:11.00
100 Back
1:38.93
Breast 50 Y 49.85 10 10/17/2025 B BB: 48.69 (+1.16s | 2.3%) 99 397 1,000+ 1,000+
Breast 100 Y 1:45.58 10 12/05/2025 BB A: 1:33.59 (+11.99s | 11.4%) 75 273 1,000+ 1,000+
50 Breast
50.18
50.18
100 Breast
55.40
1:45.58
100 Breast
1:45.58
Fly 50 Y 41.71 10 12/05/2025 BB A: 36.99 (+4.72s | 11.3%) 70 269 893 1,000+
IM 100 Y 1:27.26 10 12/11/2025 BB A: 1:22.09 (+5.17s | 5.9%) 44 160 611 1,000+
50 IM
38.88
38.88
100 IM
48.38
1:27.26
100 IM
1:27.26

Long course distance

Event Time Age Date Standard Next Standard Rockville Montgomery Swim Club Potomac Valley Swimming Eastern Zone USA

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