Charles Zheng

Age: 10 years old
Age Category: 10 & under
Team: California Dolphins Swim Team | Pacific Swimming

Personal Best

Short course distance

Event	Time		Age	Date	Standard	Next Standard	California Dolphins Swim Team	Pacific Swimming	Western Zone	USA
Free 25 Y	20.34		10	01/11/2025			12	343	1,000+	1,000+

Free 50 Y	37.65		10	03/28/2026	B	BB: 34.59 (+3.06s \| 8.1%)	14	263	1,000+	1,000+

Free 100 Y	1:21.38	Analysis	10	03/28/2026	B	BB: 1:18.89 (+2.49s \| 3.1%)	7	157	681	1,000+

Back 50 Y	46.84		10	03/28/2026	B	BB: 42.89 (+3.95s \| 8.4%)	14	290	1,000+	1,000+

Back 100 Y	1:47.60	Analysis	10	10/18/2025		B: 1:40.69 (+6.91s \| 6.4%)	7	229	983	1,000+

Breast 25 Y	26.76		10	11/02/2024			15	234	615	1,000+

Breast 50 Y	52.25		10	02/20/2026	B	BB: 47.69 (+4.56s \| 8.7%)	13	304	989	1,000+

Fly 25 Y	27.15		10	09/28/2024			13	316	930	1,000+

Fly 50 Y	49.82		10	03/22/2025		B: 46.49 (+3.33s \| 6.7%)	14	280	961	1,000+

IM 100 Y	1:40.52	Analysis	10	10/18/2025		B: 1:39.69 (+0.83s \| 0.8%)	18	273	928	1,000+

IM 200 Y	3:38.10	Analysis	10	11/08/2025	B	BB: 3:15.99 (+22.11s \| 10.1%)	4	107	483	1,000+

Long course distance

Event	Time		Age	Date	Standard	Next Standard	California Dolphins Swim Team	Pacific Swimming	Western Zone	USA
Free 100 M	1:47.61	Analysis	10	06/07/2025		B: 1:40.99 (+6.62s \| 6.2%)	16	305	1,000+	1,000+

Back 50 M	53.02		10	04/25/2026	B	BB: 49.29 (+3.73s \| 7.0%)	14	212	986	1,000+

Breast 50 M	59.26		10	04/12/2025	B	BB: 54.39 (+4.87s \| 8.2%)	13	219	879	1,000+

Breast 100 M	2:10.28	Analysis	10	04/25/2026	B	BB: 1:59.19 (+11.09s \| 8.5%)	14	203	753	1,000+

Fly 50 M	53.99		10	04/25/2026		B: 52.29 (+1.70s \| 3.1%)	11	176	714	1,000+

Above are the fastest times that Charles Zheng has achieved in his swimming career. For each event, you can find Charles's best time, the corresponding time standard, as well as how much faster Charles needs to be to reach the next level. The last columns provide Charles rankings at the team and LSC levels. These rankings are based on the Charles's personal best, his 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
Got the Bonus time standard (extra events for qualified swimmers)

Short Course Distance

Event	Best Time	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	SouthWestern Age Group Regional
Free 50 Y	37.65	30.99 (+6.66s \| 17.7%)	30.39 (+7.26s \| 19.3%) 30.99 (+6.66s \| 17.7%)	26.29 (+11.36s \| 30.2%)	24.19 (+13.46s \| 35.8%)	23.19 (+14.46s \| 38.4%)	22.19 (+15.46s \| 41.1%) 22.79 (+14.86s \| 39.5%)	21.29 (+16.36s \| 43.5%)	21.29 (+16.36s \| 43.5%)	20.49 (+17.16s \| 45.6%)	19.69 (+17.96s \| 47.7%)	20.39 (+17.26s \| 45.8%)	N/A	30.49 (+7.16s \| 19.0%)
Free 100 Y	1:21.38	1:09.69 (+11.69s \| 14.4%)	1:07.59 (+13.79s \| 16.9%) 1:09.69 (+11.69s \| 14.4%)	57.59 (+23.79s \| 29.2%)	53.19 (+28.19s \| 34.6%)	50.99 (+30.39s \| 37.3%)	48.19 (+33.19s \| 40.8%) 49.49 (+31.89s \| 39.2%)	46.39 (+34.99s \| 43.0%)	46.39 (+34.99s \| 43.0%)	44.89 (+36.49s \| 44.8%)	43.09 (+38.29s \| 47.1%)	44.39 (+36.99s \| 45.5%)	N/A	1:07.19 (+14.19s \| 17.4%)
Back 50 Y	46.84	36.99 (+9.85s \| 21.0%)	36.39 (+10.45s \| 22.3%) 36.99 (+9.85s \| 21.0%)	N/A	N/A	N/A	24.79 (+22.05s \| 47.1%) 25.39 (+21.45s \| 45.8%)	N/A	N/A	N/A	21.49 (+25.35s \| 54.1%)	N/A	N/A	36.29 (+10.55s \| 22.5%)
Back 100 Y	1:47.60	1:18.89 (+28.71s \| 26.7%)	1:18.09 (+29.51s \| 27.4%) 1:18.89 (+28.71s \| 26.7%)	1:02.69 (+44.91s \| 41.7%)	57.89 (+49.71s \| 46.2%)	55.49 (+52.11s \| 48.4%)	53.89 (+53.71s \| 49.9%) 55.39 (+52.21s \| 48.5%)	51.49 (+56.11s \| 52.1%)	51.49 (+56.11s \| 52.1%)	49.19 (+58.41s \| 54.3%)	46.99 (+60.61s \| 56.3%)	48.89 (+58.71s \| 54.6%)	N/A	1:16.59 (+31.01s \| 28.8%)
Breast 50 Y	52.25	41.39 (+10.86s \| 20.8%)	40.49 (+11.76s \| 22.5%) 41.39 (+10.86s \| 20.8%)	N/A	N/A	N/A	27.69 (+24.56s \| 47.0%) 28.09 (+24.16s \| 46.2%)	N/A	N/A	N/A	24.39 (+27.86s \| 53.3%)	N/A	N/A	40.29 (+11.96s \| 22.9%)
Fly 50 Y	49.82	35.39 (+14.43s \| 29.0%)	34.19 (+15.63s \| 31.4%) 35.39 (+14.43s \| 29.0%)	N/A	N/A	N/A	24.09 (+25.73s \| 51.6%) 24.39 (+25.43s \| 51.0%)	N/A	N/A	N/A	21.19 (+28.63s \| 57.5%)	N/A	N/A	34.69 (+15.13s \| 30.4%)
IM 100 Y	1:40.52	1:18.89 (+21.63s \| 21.5%)	1:16.89 (+23.63s \| 23.5%) 1:18.89 (+21.63s \| 21.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+23.53s \| 23.4%)
IM 200 Y	3:38.10	2:50.99 (+47.11s \| 21.6%)	2:48.39 (+49.71s \| 22.8%) 2:50.99 (+47.11s \| 21.6%)	2:20.19 (+77.91s \| 35.7%)	2:09.39 (+88.71s \| 40.7%)	2:03.99 (+94.11s \| 43.1%)	1:58.19 (+99.91s \| 45.8%) 2:01.59 (+96.51s \| 44.3%)	1:53.89 (+104.21s \| 47.8%)	1:53.89 (+104.21s \| 47.8%)	1:49.59 (+108.51s \| 49.8%)	1:45.39 (+112.71s \| 51.7%)	1:48.89 (+109.21s \| 50.1%)	N/A	2:46.19 (+51.91s \| 23.8%)

Long Course Distance

Event	Best Time	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	U.S Olympic Team Trials	SouthWestern Age Group Regional
Free 100 M	1:47.61	1:19.49 (+28.12s \| 26.1%)	1:18.29 (+29.32s \| 27.2%) 1:19.49 (+28.12s \| 26.1%)	1:06.69 (+40.92s \| 38.0%)	1:01.49 (+46.12s \| 42.9%)	58.99 (+48.62s \| 45.2%)	56.09 (+51.52s \| 47.9%) 57.69 (+49.92s \| 46.4%)	53.59 (+54.02s \| 50.2%)	53.59 (+54.02s \| 50.2%)	52.59 (+55.02s \| 51.1%)	50.89 (+56.72s \| 52.7%)	51.99 (+55.62s \| 51.7%)	N/A	49.99 (+57.62s \| 53.5%)	1:16.89 (+30.72s \| 28.5%)
Back 50 M	53.02	42.99 (+10.03s \| 18.9%)	41.89 (+11.13s \| 21.0%) 42.99 (+10.03s \| 18.9%)	N/A	N/A	N/A	29.29 (+23.73s \| 44.8%) 29.79 (+23.23s \| 43.8%)	N/A	N/A	N/A	26.09 (+26.93s \| 50.8%)	N/A	N/A	N/A	41.59 (+11.43s \| 21.6%)
Breast 50 M	59.26	47.39 (+11.87s \| 20.0%)	46.29 (+12.97s \| 21.9%) 47.39 (+11.87s \| 20.0%)	N/A	N/A	N/A	32.89 (+26.37s \| 44.5%) 33.39 (+25.87s \| 43.7%)	N/A	N/A	N/A	29.19 (+30.07s \| 50.7%)	N/A	N/A	N/A	46.29 (+12.97s \| 21.9%)
Breast 100 M	2:10.28	1:43.69 (+26.59s \| 20.4%)	1:40.99 (+29.29s \| 22.5%) 1:43.69 (+26.59s \| 20.4%)	1:23.09 (+47.19s \| 36.2%)	1:16.69 (+53.59s \| 41.1%)	1:13.49 (+56.79s \| 43.6%)	1:11.29 (+58.99s \| 45.3%) 1:13.29 (+56.99s \| 43.7%)	1:08.19 (+62.09s \| 47.7%)	1:08.19 (+62.09s \| 47.7%)	1:05.89 (+64.39s \| 49.4%)	1:03.69 (+66.59s \| 51.1%)	1:05.29 (+64.99s \| 49.9%)	N/A	1:02.19 (+68.09s \| 52.3%)	1:40.19 (+30.09s \| 23.1%)
Fly 50 M	53.99	40.19 (+13.80s \| 25.6%)	39.39 (+14.60s \| 27.0%) 40.19 (+13.80s \| 25.6%)	N/A	N/A	N/A	28.19 (+25.80s \| 47.8%) 28.69 (+25.30s \| 46.9%)	N/A	N/A	N/A	24.89 (+29.10s \| 53.9%)	N/A	N/A	N/A	39.19 (+14.80s \| 27.4%)

Progression

See how Charles Zheng is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Charles'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 Charles Zheng has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Charles's time, the progress against Charles's best time, the corresponding time standard, as well as how much faster Charles needs to be to reach the next level.

Event	Time	Progress	Standard	Next Standard	Age	Heat	Lane	Ranking
San Ramon Valley Aquatics Long Course C B BB+			04/25/2026		San Ramon
50 M Fly	53.99			B: 52.29 (+1.70s \| 3.1%)	10	2	4	6

100 M Breast	2:10.28		B	BB: 1:59.19 (+11.09s \| 8.5%)	10	3	5	3

50 M Back	53.02	-0.83s (New PB)	B	BB: 49.29 (+3.73s \| 7.0%)	10	2	6	9

PC CDST SC C B BB+ Meet			03/28/2026		Fremont
50 Y Free	37.65	-1.80s (New PB)	B	BB: 34.59 (+3.06s \| 8.1%)	9	3	2	4

50 Y Back	46.84	-0.25s (New PB)	B	BB: 42.89 (+3.95s \| 8.4%)	9	3	4	8

100 Y Free	1:21.38	-13.43s (New PB)	B	BB: 1:18.89 (+2.49s \| 3.1%)	9	3	2	1

50 Y Fly	51.10	+1.28s		B: 46.49 (+4.61s \| 9.0%)	9	3	4	9

100 Y IM	1:40.86	+0.34s		B: 1:39.69 (+1.17s \| 1.2%)	9	3	5	5

50 Y Breast	54.84	+2.59s		B: 53.39 (+1.45s \| 2.6%)	9	3	8	3

Pacific Swim SCY C B BB+ Meet Hosted By TERA			02/20/2026		Concord
50 Y Breast	52.25	-2.41s (New PB)	B	BB: 47.69 (+4.56s \| 8.7%)	9	3	6	3

50 Y Free	39.45	-1.99s (New PB)		B: 38.19 (+1.26s \| 3.2%)	9	3	7	2

200 Y IM	3:38.51	+0.41s	B	BB: 3:15.99 (+22.52s \| 10.3%)	9	1	9	2

Pacific Swim SC C B BB+ Hosted By TERA			12/05/2025		Concord
100 Y IM	1:42.31	+1.79s		B: 1:39.69 (+2.62s \| 2.6%)	9	4	5	7

50 Y Breast	54.78	+0.12s		B: 53.39 (+1.39s \| 2.5%)	9	4	3	4

50 Y Free	41.44	-0.73s (New PB)		B: 38.19 (+3.25s \| 7.8%)	9	5	6	5

Albany Armada Aquatics C B BB+ Meet			11/08/2025		Albany
50 Y Breast	56.14	+1.48s		B: 53.39 (+2.75s \| 4.9%)	9	2	8	9

200 Y IM	3:38.10		B	BB: 3:15.99 (+22.11s \| 10.1%)	9	2	5	2

PC CDST SC C B BB+			10/18/2025		Fremont
50 Y Back	49.37	+2.28s		B: 48.29 (+1.08s \| 2.2%)	9	2	3

100 Y Back	1:47.60			B: 1:40.69 (+6.91s \| 6.4%)	9	2	8

100 Y Free	1:36.02	+1.21s		B: 1:27.99 (+8.03s \| 8.4%)	9	3	5	6

50 Y Free	42.92	+0.75s		B: 38.19 (+4.73s \| 11.0%)	9	3	4	7

100 Y IM	1:40.52	-1.25s (New PB)		B: 1:39.69 (+0.83s \| 0.8%)	9	2	3	7

PC LAC C B BB			09/27/2025		Livermore
100 Y IM	1:41.77	-2.73s (New PB)		B: 1:39.69 (+2.08s \| 2.0%)	9	2	5	7

100 Y Free	1:34.81	-6.94s (New PB)		B: 1:27.99 (+6.82s \| 7.2%)	9	2	1	2

50 Y Breast	55.26	+0.60s		B: 53.39 (+1.87s \| 3.4%)	9	2	2	8

50 Y Free	42.17	-1.23s (New PB)		B: 38.19 (+3.98s \| 9.4%)	9	2	1	6

2025 06 07 CDST LC C B BB+ Meet			06/07/2025		Fremont
50 M Back	53.85		B	BB: 49.29 (+4.56s \| 8.5%)	9	3	4	6

100 M Free	1:47.61	-1.81s (New PB)		B: 1:40.99 (+6.62s \| 6.2%)	9	3	2	5

PC BSW LCM C B BB+ Meet			04/12/2025		Brentwood
100 M Free	1:49.42			B: 1:40.99 (+8.43s \| 7.7%)	8	2	7	3

50 M Breast	59.26		B	BB: 54.39 (+4.87s \| 8.2%)	8	2	6	1

2025 3 22 CDST SC C B BB+ Meet			03/22/2025		Fremont
50 Y Free	43.40	-3.87s (New PB)		B: 38.19 (+5.21s \| 12.0%)	8	3		9

100 Y IM	1:44.50	-14.25s (New PB)		B: 1:39.69 (+4.81s \| 4.6%)	8	3	9	5

50 Y Fly	49.82	-7.34s (New PB)		B: 46.49 (+3.33s \| 6.7%)	8	3	2	5

50 Y Back	47.09	-2.40s (New PB)	B	BB: 42.89 (+4.20s \| 8.9%)	8	1	3	5

Livermore Aquacowboys SC C B BB+ Meet			01/11/2025		Livermore
100 Y Free	1:46.25	+4.50s		B: 1:27.99 (+18.26s \| 17.2%)	8	1	4	1

100 Y IM	1:58.75			B: 1:39.69 (+19.06s \| 16.1%)	8	1	6	1

25 Y Breast	27.77	+1.01s			8	1	4	4

25 Y Free	20.34				8	1	7	1

2024 12 14 CDST SC C B BB+ Meet			12/14/2024		Fremont
50 Y Back	49.49	-0.03s (New PB)		B: 48.29 (+1.20s \| 2.4%)	8	3	6	5

50 Y Breast	54.66			B: 53.39 (+1.27s \| 2.3%)	8	5		1

SRVA SCY CBBB+			11/02/2024		San Ramon
25 Y Breast	26.76				8	3	2	1

50 Y Free	47.27	-8.24s (New PB)		B: 38.19 (+9.08s \| 19.2%)	8	8	6	7

50 Y Back	49.52	-2.05s (New PB)		B: 48.29 (+1.23s \| 2.5%)	8	1	7	6

50 Y Fly	57.16			B: 46.49 (+10.67s \| 18.7%)	8	8	5	3

Orinda Aquatics SC C B BB+ Meet			09/28/2024		Moraga
50 Y Back	51.57	-6.46s (New PB)		B: 48.29 (+3.28s \| 6.4%)	8		3

100 Y Free	1:41.75			B: 1:27.99 (+13.76s \| 13.5%)	8	3	5	1

25 Y Fly	27.15				8	2	7	3

CROW C B BB+ JANUARY 2024			01/13/2024		HAYWARD
50 Y Free	55.51			B: 38.19 (+17.32s \| 31.2%)	7	3	4	3

50 Y Back	58.03			B: 48.29 (+9.74s \| 16.8%)	7	2	6	2

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.