Cassey Kobayashi

Age: 12 years old
Age Category: 11-12
Team: Toronto Swim Club | Unattached

Personal Best

Short course distance

Event	Time		Age	Date	Standard	Next Standard	Toronto Swim Club	Unattached	Unattached	USA

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Toronto Swim Club	Unattached	Unattached	USA
Free 50 M	29.99		12	07/03/2026	AAA	AAAA: 29.19 (+0.80s \| 2.7%)	1	3	3	209

Free 100 M	1:08.55	Analysis	12	07/03/2026	AA	AAA: 1:07.19 (+1.36s \| 2.0%)	1	13	13	600

Free 200 M	2:31.73	Analysis	12	07/03/2026	AA	AAA: 2:26.49 (+5.24s \| 3.5%)	1	16	16	695

Free 400 M	5:40.85	Analysis	12	07/03/2026	BB	A: 5:36.79 (+4.06s \| 1.2%)	1	23	23	1,000+

Back 50 M	33.91		12	07/03/2026	AAA	AAAA: 33.59 (+0.32s \| 0.9%)	1	4	4	109

Back 100 M	1:15.81	Analysis	12	07/03/2026	AAA	AAAA: 1:12.89 (+2.92s \| 3.9%)	1	3	3	214

Breast 50 M	38.27		12	07/03/2026	AAA	AAAA: 37.39 (+0.88s \| 2.3%)	1	4	4	107

Breast 100 M	1:26.49	Analysis	12	07/03/2026	AA	AAA: 1:25.89 (+0.60s \| 0.7%)	1	4	4	196

Breast 200 M	3:10.40	Analysis	12	07/03/2026	AA	AAA: 3:06.09 (+4.31s \| 2.3%)	1	4	4	230

Fly 50 M	32.58		12	07/03/2026	AAA	AAAA: 31.39 (+1.19s \| 3.7%)	1	2	2	226

IM 200 M	2:46.50	Analysis	12	07/03/2026	AA	AAA: 2:45.49 (+1.01s \| 0.6%)	1	6	6	330

Above are the fastest times that Cassey Kobayashi has achieved in her swimming career. For each event, you can find Cassey's best time, the corresponding time standard, as well as how much faster Cassey needs to be to reach the next level. The last columns provide Cassey rankings at the team and LSC levels. These rankings are based on the Cassey's personal best, her current age category, and team; and are calculated from all the meets results.

Time Standards

Got the currrent age group time standard
Time standard for the next age group and the gap to reach it
Got the next age group’s time standard

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	29.99	28.69 (+1.30s \| 4.3%)	27.39 (+2.60s \| 8.7%)	27.39 (+2.60s \| 8.7%)	26.89 (+3.10s \| 10.3%)	26.29 (+3.70s \| 12.3%)	26.59 (+3.40s \| 11.3%)	32.29 31.89
Free 100 M	1:08.55	1:01.89 (+6.66s \| 9.7%)	59.29 (+9.26s \| 13.5%)	59.29 (+9.26s \| 13.5%)	58.19 (+10.36s \| 15.1%)	56.99 (+11.56s \| 16.9%)	57.59 (+10.96s \| 16.0%)	1:09.89 1:08.39 (+0.16s \| 0.2%)
Free 200 M	2:31.73	2:12.99 (+18.74s \| 12.4%)	2:07.79 (+23.94s \| 15.8%)	2:07.79 (+23.94s \| 15.8%)	2:04.99 (+26.74s \| 17.6%)	2:03.09 (+28.64s \| 18.9%)	2:04.29 (+27.44s \| 18.1%)	2:30.99 (+0.74s \| 0.5%)
Free 400 M	5:40.85	4:39.69 (+61.16s \| 17.9%)	4:28.79 (+72.06s \| 21.1%)	4:28.79 (+72.06s \| 21.1%)	4:23.79 (+77.06s \| 22.6%)	4:19.19 (+81.66s \| 24.0%)	4:21.39 (+79.46s \| 23.3%)	N/A
Back 50 M	33.91	32.39 (+1.52s \| 4.5%)	N/A	N/A	N/A	N/A	N/A	37.19
Back 100 M	1:15.81	1:09.49 (+6.32s \| 8.3%)	1:06.79 (+9.02s \| 11.9%)	1:06.79 (+9.02s \| 11.9%)	1:04.79 (+11.02s \| 14.5%)	1:03.69 (+12.12s \| 16.0%)	1:04.39 (+11.42s \| 15.1%)	1:19.39 1:16.39
Breast 50 M	38.27	36.59 (+1.68s \| 4.4%)	N/A	N/A	N/A	N/A	N/A	40.69
Breast 100 M	1:26.49	1:18.79 (+7.70s \| 8.9%)	1:15.99 (+10.50s \| 12.1%)	1:15.99 (+10.50s \| 12.1%)	1:13.79 (+12.70s \| 14.7%)	1:12.19 (+14.30s \| 16.5%)	1:13.29 (+13.20s \| 15.3%)	1:29.69 1:26.89
Breast 200 M	3:10.40	2:49.69 (+20.71s \| 10.9%)	2:43.39 (+27.01s \| 14.2%)	2:43.39 (+27.01s \| 14.2%)	2:38.59 (+31.81s \| 16.7%)	2:36.09 (+34.31s \| 18.0%)	2:38.29 (+32.11s \| 16.9%)	3:12.69 3:07.59 (+2.81s \| 1.5%)
Fly 50 M	32.58	31.19 (+1.39s \| 4.3%)	N/A	N/A	N/A	N/A	N/A	34.59
IM 200 M	2:46.50	2:31.09 (+15.41s \| 9.3%)	2:26.19 (+20.31s \| 12.2%)	2:26.19 (+20.31s \| 12.2%)	2:22.09 (+24.41s \| 14.7%)	2:19.49 (+27.01s \| 16.2%)	2:20.99 (+25.51s \| 15.3%)	2:51.19 2:47.49

Progression

See how Cassey Kobayashi is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Cassey's time to another swimmer's and even view their profile for more information about them.

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Meets

See all the meets Cassey Kobayashi has participated in and her achievement. The last event displayed is the most recent. For each event, you can find the Cassey's time, the progress against Cassey's best time, the corresponding time standard, as well as how much faster Cassey needs to be to reach the next level.

Event	Time	Standard	Next Standard	Age	Heat	Lane	Ranking
2026 Keo Nakama Swim Meet		07/03/2026		Waipahu
200 M IM	2:46.50	AA	AAA: 2:45.49 (+1.01s \| 0.6%)	12	4	8	4

50 M Breast	38.27	AAA	AAAA: 37.39 (+0.88s \| 2.3%)	12	5	6	2

200 M Breast	3:10.40	AA	AAA: 3:06.09 (+4.31s \| 2.3%)	12	3	7	2

100 M Free	1:08.55	AA	AAA: 1:07.19 (+1.36s \| 2.0%)	12	6	2	6

400 M Free	5:40.85	BB	A: 5:36.79 (+4.06s \| 1.2%)	12	1	4	9

50 M Back	33.91	AAA	AAAA: 33.59 (+0.32s \| 0.9%)	12	6	2	1

100 M Back	1:15.81	AAA	AAAA: 1:12.89 (+2.92s \| 3.9%)	12	5	2	2

200 M Free	2:31.73	AA	AAA: 2:26.49 (+5.24s \| 3.5%)	12	5	9	7

100 M Breast	1:26.49	AA	AAA: 1:25.89 (+0.60s \| 0.7%)	12	4	4	3

50 M Fly	32.58	AAA	AAAA: 31.39 (+1.19s \| 3.7%)	12	6	4	2

50 M Free	29.99	AAA	AAAA: 29.19 (+0.80s \| 2.7%)	12	6	3	4

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.