New! ScoreMeUp is now available on the App Store. Download the iOS app →

Duke Guo

Age: 10 years old
Age Category: 10 & under
Team: McAllen Swim Club | South Texas Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard McAllen Swim Club South Texas Swimming Southern Zone USA
Free 25 Y 16.38 10 09/28/2024 Rankings Rankings Rankings Rankings
Free 50 Y 31.87 10 01/03/2026 BB A: 31.09 (+0.78s | 2.4%) Rankings Rankings Rankings Rankings
Free 100 Y 1:12.27 Analysis 10 07/25/2026 BB A: 1:09.79 (+2.48s | 3.4%) Rankings Rankings Rankings Rankings
50 Free
34.10
34.10
100 Free
38.17
1:12.27
100 Free
1:12.27
Back 25 Y 20.94 10 10/19/2024 Rankings Rankings Rankings Rankings
Back 50 Y 37.81 10 10/09/2026 BB A: 37.59 (+0.22s | 0.6%) Rankings Rankings Rankings Rankings
Back 100 Y 1:27.92 Analysis 10 02/13/2026 BB A: 1:19.59 (+8.33s | 9.5%) Rankings Rankings Rankings Rankings
50 Back
42.36
42.36
100 Back
45.56
1:27.92
100 Back
1:27.92
Breast 50 Y 40.04 10 07/25/2026 AA AAA: 38.29 (+1.75s | 4.4%) Rankings Rankings Rankings Rankings
Breast 100 Y 1:28.95 Analysis 10 09/19/2026 A AA: 1:26.59 (+2.36s | 2.7%) Rankings Rankings Rankings Rankings
50 Breast
41.14
41.14
100 Breast
47.81
1:28.95
100 Breast
1:28.95
Fly 25 Y 21.31 10 10/19/2024 Rankings Rankings Rankings Rankings
Fly 50 Y 36.87 10 10/09/2026 BB A: 35.99 (+0.88s | 2.4%) Rankings Rankings Rankings Rankings
IM 100 Y 1:19.28 Analysis 10 10/09/2026 A AA: 1:16.39 (+2.89s | 3.6%) Rankings Rankings Rankings Rankings
50 IM
37.88
37.88
100 IM
41.40
1:19.28
100 IM
1:19.28

Long course distance

Event Time Age Date Standard Next Standard McAllen Swim Club South Texas Swimming Southern Zone USA
Free 50 M 36.95 10 06/06/2026 BB A: 35.69 (+1.26s | 3.4%) Rankings Rankings Rankings Rankings
Free 100 M 1:21.11 Analysis 10 06/06/2026 BB A: 1:20.19 (+0.92s | 1.1%) Rankings Rankings Rankings Rankings
Back 50 M 44.15 10 04/11/2026 BB A: 43.09 (+1.06s | 2.4%) Rankings Rankings Rankings Rankings
Back 100 M 1:37.40 Analysis 10 06/27/2025 BB A: 1:32.29 (+5.11s | 5.2%) Rankings Rankings Rankings Rankings
50 Back
47.91
47.91
100 Back
49.49
1:37.40
100 Back
1:37.40
Breast 50 M 48.03 10 06/06/2026 BB A: 47.89 (+0.14s | 0.3%) Rankings Rankings Rankings Rankings
Breast 100 M 2:01.67 Analysis 10 06/27/2025 B BB: 1:59.19 (+2.48s | 2.0%) Rankings Rankings Rankings Rankings
Fly 50 M 43.66 10 05/16/2026 BB A: 40.59 (+3.07s | 7.0%) Rankings Rankings Rankings Rankings

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