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Justin Guo

Age: 13 years old
Age Category: 13-14
Team: Northern Nevada Aquatics | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Northern Nevada Aquatics Pacific Swimming Western Zone USA
Free 50 Y 29.71 13 03/14/2026 B BB: 27.69 (+2.02s | 6.8%) 4 716 1,000+ 1,000+
Free 100 Y 1:04.94 13 03/14/2026 B BB: 1:00.29 (+4.65s | 7.2%) 3 631 1,000+ 1,000+
50 Free
31.66
31.66
100 Free
33.28
1:04.94
100 Free
1:04.94
Free 200 Y 2:23.17 13 03/14/2026 B: 2:22.49 (+0.68s | 0.5%) 4 515 1,000+ 1,000+
50 Free
31.87
31.87
100 Free
36.71
1:08.58
100 Free
1:08.58
150 Free
38.33
1:46.91
200 Free
36.26
2:23.17
100 Free
1:14.59
Back 50 Y 44.91 12 10/18/2024 8 806 1,000+ 1,000+
Back 100 Y 1:16.33 13 03/14/2026 B: 1:11.29 (+5.04s | 6.6%) 3 508 1,000+ 1,000+
50 Back
37.47
37.47
100 Back
38.85
1:16.32
100 Back
1:16.32
Back 200 Y 2:42.33 13 03/14/2026 B: 2:34.69 (+7.64s | 4.7%) 2 317 1,000+ 1,000+
50 Back
38.99
38.99
100 Back
41.47
1:20.46
100 Back
1:20.46
150 Back
42.40
2:02.86
200 Back
39.47
2:42.33
100 Back
1:21.87
Breast 50 Y 40.21 13 03/14/2026 3 453 1,000+ 1,000+
Breast 100 Y 1:31.65 12 09/12/2025 B: 1:20.49 (+11.16s | 12.2%) 3 729 1,000+ 1,000+
50 Breast
44.11
44.11
100 Breast
47.54
1:31.65
100 Breast
1:31.65
Fly 50 Y 34.95 13 03/14/2026 3 487 1,000+ 1,000+
Fly 100 Y 1:22.00 12 09/12/2025 B: 1:10.49 (+11.51s | 14.0%) 3 574 1,000+ 1,000+
50 Fly
38.83
38.83
100 Fly
43.17
1:22.00
100 Fly
1:22.00
IM 200 Y 2:40.73 13 03/14/2026 B: 2:37.99 (+2.74s | 1.7%) 2 495 1,000+ 1,000+
50 Fly
34.57
34.57
100 Back
41.75
1:16.32
100 IM
1:16.32
150 Breast
47.45
2:03.78
200 Free
36.95
2:40.73
100 IM
1:24.40

Long course distance

Event Time Age Date Standard Next Standard Northern Nevada Aquatics Pacific Swimming Western Zone USA
Free 50 M 47.12 10 07/22/2023 B: 34.29 (+12.83s | 27.2%) 9 843 1,000+ 1,000+
Back 50 M 55.48 10 06/16/2023 5 582 1,000+ 1,000+
Back 100 M 2:00.80 10 07/22/2023 B: 1:23.69 (+37.11s | 30.7%) 8 611 1,000+ 1,000+
50 Back
59.29
59.29
100 Back
1:01.51
2:00.80
100 Back
2:00.80
Breast 50 M 1:03.57 10 05/19/2023 6 589 1,000+ 1,000+
Fly 50 M 54.66 10 06/16/2023 5 519 1,000+ 1,000+

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