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Melanie Guo

Age: 18 years old
Age Category: 17-18
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 26.66 18 03/20/2026 A AA: 25.79 (+0.87s | 3.3%) 30 160 678 1,000+
Free 100 Y 57.75 Analysis 18 03/20/2026 A AA: 55.89 (+1.86s | 3.2%) 33 151 632 1,000+
50 Free
27.71
27.71
100 Free
30.04
57.75
100 Free
57.75
Free 200 Y 2:04.86 Analysis 18 02/22/2025 A AA: 2:00.89 (+3.97s | 3.2%) 26 114 513 1,000+
50 Free
28.96
28.96
100 Free
30.90
59.86
100 Free
59.86
150 Free
32.23
1:32.09
200 Free
32.77
2:04.86
100 Free
1:05.00
Free 500 Y 5:34.41 Analysis 18 02/22/2025 A AA: 5:25.69 (+8.72s | 2.6%) 20 81 378 1,000+
50 Free
29.56
29.56
100 Free
32.44
1:02.00
100 Free
1:02.00
150 Free
33.13
1:35.13
200 Free
33.67
2:08.80
100 Free
1:06.80
250 Free
33.64
2:42.44
300 Free
34.05
3:16.49
100 Free
1:07.69
350 Free
34.04
3:50.53
400 Free
34.69
4:25.22
100 Free
1:08.73
450 Free
34.99
5:00.21
500 Free
34.20
5:34.41
100 Free
1:09.19
Back 50 Y 33.05 18 11/07/2025 35 145 589 1,000+
Back 100 Y 1:09.38 Analysis 18 11/03/2023 B BB: 1:08.09 (+1.29s | 1.9%) 38 201 782 1,000+
Breast 50 Y 34.15 18 03/20/2026 6 55 235 915
Breast 100 Y 1:13.87 Analysis 18 02/06/2026 BB A: 1:12.69 (+1.18s | 1.6%) 22 102 425 1,000+
50 Breast
34.81
34.81
100 Breast
39.06
1:13.87
100 Breast
1:13.87
Breast 200 Y 2:39.48 Analysis 18 03/05/2026 BB A: 2:38.29 (+1.19s | 0.7%) 18 69 318 1,000+
50 Breast
36.14
36.14
100 Breast
39.63
1:15.77
100 Breast
1:15.77
150 Breast
41.03
1:56.80
200 Breast
42.68
2:39.48
100 Breast
1:23.71
IM 200 Y 2:24.28 Analysis 18 03/20/2026 BB A: 2:20.19 (+4.09s | 2.8%) 30 133 565 1,000+
50 Fly
30.77
30.77
100 Back
37.03
1:07.80
100 IM
1:07.80
150 Breast
42.47
1:50.27
200 Free
34.01
2:24.28
100 IM
1:16.48

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