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Ethan Guo

Age: 16 years old
Age Category: 15-16
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 24.53 16 10/17/2025 BB A: 24.19 (+0.34s | 1.4%) 60 305 1,000+ 1,000+
Free 100 Y 52.72 Analysis 16 01/16/2026 A AA: 50.99 (+1.73s | 3.3%) 45 220 889 1,000+
50 Free
25.53
25.53
100 Free
27.19
52.72
100 Free
52.72
Free 200 Y 1:58.66 Analysis 16 10/17/2025 BB A: 1:56.59 (+2.07s | 1.7%) 47 247 996 1,000+
50 Free
26.47
26.47
100 Free
29.79
56.26
100 Free
56.26
150 Free
31.08
1:27.34
200 Free
31.32
1:58.66
100 Free
1:02.40
Free 500 Y 5:33.12 Analysis 16 10/17/2025 BB A: 5:15.79 (+17.33s | 5.2%) 48 224 934 1,000+
50 Free
28.21
28.21
100 Free
31.05
59.26
100 Free
59.26
150 Free
32.13
1:31.39
250 Free
33.10
2:04.49
300 Free
1:08.55
3:13.04
100 Free
1:41.65
350 Free
1:12.04
4:25.08
400 Free
1:08.04
5:33.12
100 Free
2:20.08
500 Free
0.00
5:33.12
100 Free
0.00
Back 50 Y 27.67 16 01/16/2026 16 99 412 1,000+
Back 100 Y 56.85 Analysis 16 03/05/2026 A AA: 55.49 (+1.36s | 2.4%) 16 87 366 1,000+
50 Back
27.78
27.78
100 Back
29.07
56.85
100 Back
56.85
Back 200 Y 2:03.55 Analysis 16 03/05/2026 A AA: 2:01.29 (+2.26s | 1.8%) 12 77 329 1,000+
50 Back
28.85
28.85
100 Back
30.77
59.62
100 Back
59.62
150 Back
32.01
1:31.63
200 Back
31.92
2:03.55
100 Back
1:03.93
Breast 100 Y 1:08.73 Analysis 16 03/20/2026 BB A: 1:05.89 (+2.84s | 4.1%) 50 204 743 1,000+
50 Breast
32.52
32.52
100 Breast
36.21
1:08.73
100 Breast
1:08.73
Breast 200 Y 2:31.87 Analysis 16 03/20/2026 BB A: 2:23.19 (+8.68s | 5.7%) 36 176 631 1,000+
50 Breast
33.73
33.73
100 Breast
38.24
1:11.97
100 Breast
1:11.97
150 Breast
40.88
1:52.85
200 Breast
39.02
2:31.87
100 Breast
1:19.90
Fly 50 Y 26.28 16 03/05/2026 29 145 468 1,000+
Fly 100 Y 59.05 Analysis 16 03/20/2026 BB A: 57.59 (+1.46s | 2.5%) 48 226 828 1,000+
50 Fly
27.70
27.70
100 Fly
31.35
59.05
100 Fly
59.05
IM 200 Y 2:08.70 Analysis 16 01/16/2026 A AA: 2:03.99 (+4.71s | 3.7%) 33 174 608 1,000+
50 Fly
27.91
27.91
100 Back
31.70
59.61
100 IM
59.61
150 Breast
39.43
1:39.04
200 Free
29.66
2:08.70
100 IM
1:09.09

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