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Justin Cheong

Age: 17 years old
Age Category: 17-18
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 Y 23.92 16 12/20/2025 BB A: 23.59 (+0.33s | 1.4%) 19 284 1,000+ 1,000+
Free 100 Y 53.07 Analysis 16 12/20/2025 BB A: 51.69 (+1.38s | 2.6%) 24 335 1,000+ 1,000+
50 Free
24.73
24.73
100 Free
28.34
53.07
100 Free
53.07
Free 200 Y 2:04.43 Analysis 16 09/20/2025 B BB: 2:03.99 (+0.44s | 0.4%) 24 376 1,000+ 1,000+
Free 500 Y 5:46.97 Analysis 16 02/24/2024 B BB: 5:37.29 (+9.68s | 2.8%) 18 301 1,000+ 1,000+
Back 50 Y 28.78 16 11/23/2024 B BB: 28.59 (+0.19s | 0.7%) 7 135 870 1,000+
Back 100 Y 1:01.75 Analysis 16 07/20/2025 B BB: 1:00.59 (+1.16s | 1.9%) 17 253 1,000+ 1,000+
50 Back
29.99
29.99
100 Back
31.76
1:01.75
100 Back
1:01.75
Back 200 Y 2:22.01 Analysis 16 02/24/2024 B BB: 2:13.59 (+8.42s | 5.9%) 15 222 1,000+ 1,000+
Breast 50 Y 34.51 16 11/23/2024 B BB: 32.89 (+1.62s | 4.7%) 15 164 995 1,000+
Breast 100 Y 1:09.14 Analysis 16 11/01/2025 BB A: 1:03.99 (+5.15s | 7.4%) 22 264 1,000+ 1,000+
Breast 200 Y 2:33.22 Analysis 16 01/11/2025 B BB: 2:30.69 (+2.53s | 1.7%) 17 200 995 1,000+
50 Breast
34.22
34.22
100 Breast
39.26
1:13.48
100 Breast
1:13.48
150 Breast
39.83
1:53.31
200 Breast
39.91
2:33.22
100 Breast
1:19.74
Fly 50 Y 27.05 16 11/23/2024 BB A: 26.19 (+0.86s | 3.2%) 10 152 924 1,000+
Fly 100 Y 58.83 Analysis 16 11/01/2025 BB A: 56.09 (+2.74s | 4.7%) 21 267 1,000+ 1,000+
Fly 200 Y 2:29.88 Analysis 16 02/24/2024 B: 2:26.39 (+3.49s | 2.3%) 15 194 965 1,000+
IM 200 Y 2:15.58 Analysis 16 01/11/2025 BB A: 2:06.39 (+9.19s | 6.8%) 21 304 1,000+ 1,000+
50 Fly
28.07
28.07
100 Back
35.31
1:03.38
100 IM
1:03.38
150 Breast
40.58
1:43.96
200 Free
31.62
2:15.58
100 IM
1:12.20
IM 400 Y 4:55.60 Analysis 16 11/23/2024 B BB: 4:54.69 (+0.91s | 0.3%) 19 193 948 1,000+
50 Fly
30.75
30.75
100 Fly
36.13
1:06.88
100 Fly
1:06.88
150 Back
38.05
1:44.93
200 Back
37.91
2:22.84
100 Back
1:15.96
250 Breast
44.12
3:06.96
300 Breast
41.66
3:48.62
100 Breast
1:25.78
350 Free
34.52
4:23.14
400 Free
32.46
4:55.60
100 Free
1:06.98

Long course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 M 28.05 16 06/22/2024 BB A: 27.39 (+0.66s | 2.4%) 19 294 1,000+ 1,000+
Free 100 M 1:03.45 Analysis 16 06/27/2025 BB A: 59.89 (+3.56s | 5.6%) 23 345 1,000+ 1,000+
Free 200 M 2:25.15 Analysis 16 06/27/2025 B BB: 2:21.99 (+3.16s | 2.2%) 22 319 1,000+ 1,000+
Free 400 M 5:30.44 Analysis 16 05/20/2023 B: 5:26.49 (+3.95s | 1.2%) 15 253 1,000+ 1,000+
Back 50 M 40.96 16 06/18/2022 B: 36.79 (+4.17s | 10.2%) 13 178 1,000+ 1,000+
Back 100 M 1:14.60 Analysis 16 06/22/2024 B BB: 1:11.99 (+2.61s | 3.5%) 12 222 1,000+ 1,000+
Back 200 M 2:43.97 Analysis 16 06/22/2024 B BB: 2:37.09 (+6.88s | 4.2%) 12 168 936 1,000+
Breast 50 M 38.18 16 06/27/2025 B BB: 37.49 (+0.69s | 1.8%) 10 100 689 1,000+
Breast 100 M 1:25.79 Analysis 16 06/27/2025 B BB: 1:20.59 (+5.20s | 6.1%) 16 267 1,000+ 1,000+
Breast 200 M 3:11.04 Analysis 16 06/22/2024 B: 3:09.19 (+1.85s | 1.0%) 14 202 951 1,000+
Fly 50 M 41.17 16 04/24/2022 B: 34.59 (+6.58s | 16.0%) 18 248 1,000+ 1,000+
Fly 100 M 1:12.51 Analysis 16 06/06/2025 B BB: 1:09.29 (+3.22s | 4.4%) 22 267 1,000+ 1,000+
50 Fly
33.12
33.12
100 Fly
39.39
1:12.51
100 Fly
1:12.51
Fly 200 M 3:14.30 Analysis 16 06/09/2023 B: 2:46.99 (+27.31s | 14.1%) 15 150 745 1,000+
IM 200 M 2:39.58 Analysis 16 06/27/2025 BB A: 2:27.39 (+12.19s | 7.6%) 19 260 1,000+ 1,000+
IM 400 M 5:49.37 Analysis 16 06/22/2024 B BB: 5:41.29 (+8.08s | 2.3%) 13 154 758 1,000+

Above are the fastest times that Justin Cheong 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.