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

Joon Cha

Age: 10 years old
Age Category: 10 & under
Team: Sunnyvale Swim Club | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Sunnyvale Swim Club Pacific Swimming Western Zone USA
Free 25 Y 17.62 10 07/19/2025 5 111 318 1,000+
Free 50 Y 30.80 10 07/25/2026 A AA: 29.89 (+0.91s | 3.0%) 1 34 203 865
Free 100 Y 1:10.40 Analysis 10 03/20/2026 BB A: 1:09.79 (+0.61s | 0.9%) 2 39 215 934
50 Free
33.26
33.26
100 Free
37.14
1:10.40
100 Free
1:10.40
Free 200 Y 2:31.12 Analysis 10 03/20/2026 A AA: 2:25.29 (+5.83s | 3.9%) 2 26 115 572
50 Free
34.11
34.11
100 Free
38.67
1:12.78
100 Free
1:12.78
150 Free
40.50
1:53.28
200 Free
37.84
2:31.12
100 Free
1:18.34
Free 500 Y 6:39.80 Analysis 10 02/07/2026 A AA: 6:26.59 (+13.21s | 3.3%) 2 21 61 429
Back 25 Y 21.44 10 07/19/2025 5 90 301 1,000+
Back 50 Y 41.10 10 04/26/2026 BB A: 37.59 (+3.51s | 8.5%) 3 91 430 1,000+
Back 100 Y 1:23.28 Analysis 10 03/28/2026 BB A: 1:19.59 (+3.69s | 4.4%) 2 48 207 959
50 Back
41.72
41.72
100 Back
41.56
1:23.28
100 Back
1:23.28
Breast 25 Y 25.00 10 07/19/2025 5 140 340 1,000+
Breast 50 Y 48.18 10 01/24/2026 B BB: 47.69 (+0.49s | 1.0%) 6 148 513 1,000+
Breast 100 Y 1:44.35 Analysis 10 12/06/2025 B BB: 1:42.29 (+2.06s | 2.0%) 4 118 494 1,000+
Fly 25 Y 19.79 10 07/19/2025 4 70 168 620
Fly 50 Y 34.15 10 04/09/2026 AA AAA: 32.59 (+1.56s | 4.6%) 1 26 86 278
Fly 100 Y 1:09.47 Analysis 10 07/25/2026 AAAA 1 7 32 202
IM 100 Y 1:16.68 Analysis 10 07/25/2026 A AA: 1:16.39 (+0.29s | 0.4%) 1 24 68 221
IM 200 Y 2:53.69 Analysis 10 03/28/2026 BB A: 2:53.49 (+0.20s | 0.1%) 2 35 141 623
50 Fly
38.96
38.96
100 Back
45.31
1:24.27
100 IM
1:24.27
150 Breast
52.65
2:16.92
200 Free
36.77
2:53.69
100 IM
1:29.42

Long course distance

Event Time Age Date Standard Next Standard Sunnyvale Swim Club Pacific Swimming Western Zone USA
Free 50 M 34.33 10 07/30/2026 AA AAA: 32.99 (+1.34s | 3.9%) 1 31 125 345
Free 100 M 1:14.56 Analysis 10 07/17/2026 AA AAA: 1:13.19 (+1.37s | 1.8%) 1 23 81 224
Free 200 M 2:37.06 Analysis 10 07/17/2026 AAA AAAA: 2:31.69 (+5.37s | 3.4%) 1 16 43 114
Free 400 M 5:30.38 Analysis 10 07/30/2026 AAA AAAA: 5:20.79 (+9.59s | 2.9%) 1 15 29 95
50 Free
37.50
37.50
100 Free
40.48
1:17.98
100 Free
1:17.98
150 Free
42.42
2:00.40
200 Free
42.04
2:42.44
100 Free
1:24.46
250 Free
43.02
3:25.46
300 Free
41.52
4:06.98
100 Free
1:24.54
350 Free
43.34
4:50.32
400 Free
40.06
5:30.38
100 Free
1:23.40
Back 50 M 46.31 10 06/12/2026 BB A: 43.09 (+3.22s | 7.0%) 3 75 441 1,000+
Back 100 M 1:34.05 Analysis 10 06/12/2026 BB A: 1:32.29 (+1.76s | 1.9%) 2 42 218 691
Breast 50 M 53.31 10 05/02/2026 BB A: 47.89 (+5.42s | 10.2%) 4 89 465 1,000+
Breast 100 M 1:51.04 Analysis 10 06/12/2026 BB A: 1:45.49 (+5.55s | 5.0%) 4 71 287 760
Fly 50 M 36.11 10 07/30/2026 AAA AAAA: 34.69 (+1.42s | 3.9%) 1 17 57 153
Fly 100 M 1:19.57 Analysis 10 07/17/2026 AAAA 1 10 31 62
50 Fly
36.32
36.32
100 Fly
43.25
1:19.57
100 Fly
1:19.57
IM 200 M 2:58.73 Analysis 10 07/30/2026 AAA AAAA: 2:52.19 (+6.54s | 3.7%) 1 17 52 128

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