Chengjin Shi

Age: 12 years old
Age Category: 11-12
Team: California Dolphins Swim Team | Pacific Swimming

Personal Best

Short course distance

Event	Time	Age	Date	Next Standard	Pacific Swimming	California Dolphins Swim Team
Free 50 Y	35.40	12	12/05/2025	B: 33.99 (+1.41s \| 4.0%)	782	24

Free 100 Y	1:21.11	12	11/08/2025	B: 1:14.69 (+6.42s \| 7.9%)	818	22

Back 50 Y	45.47	11	03/22/2025	B: 38.79 (+6.68s \| 14.7%)	902	24

Back 100 Y	1:29.80	12	11/08/2025	B: 1:26.59 (+3.21s \| 3.6%)	511	16

Breast 50 Y	51.55	12	12/05/2025	B: 43.99 (+7.56s \| 14.7%)	1,000+	25

Breast 100 Y	1:47.14	12	11/08/2025	B: 1:36.49 (+10.65s \| 9.9%)	799	25

Fly 50 Y	42.55	12	12/05/2025	B: 36.89 (+5.66s \| 13.3%)	675	22

Fly 100 Y	1:35.91	12	12/05/2025	B: 1:25.79 (+10.12s \| 10.6%)	391	10

IM 100 Y	1:31.10	12	12/05/2025	B: 1:25.19 (+5.91s \| 6.5%)	729	20

Long course distance

Event	Time	Age	Date	Next Standard	Pacific Swimming	California Dolphins Swim Team
Free 100 M	1:38.94	11	06/07/2025	B: 1:25.59 (+13.35s \| 13.5%)	650	17

Back 50 M	50.30	11	06/07/2025	B: 44.79 (+5.51s \| 11.0%)	524	16

Back 100 M	1:53.55	11	06/07/2025	B: 1:40.59 (+12.96s \| 11.4%)	491	17

Breast 50 M	57.00	11	06/07/2025	B: 49.79 (+7.21s \| 12.6%)	572	20

Breast 100 M	2:09.27	11	06/07/2025	B: 1:50.39 (+18.88s \| 14.6%)	572	20

Fly 50 M	51.31	11	06/07/2025	B: 41.79 (+9.52s \| 18.6%)	512	16

Above are the fastest times that Chengjin Shi has achieved in her swimming career. For each event, you can find Chengjin's best time, the corresponding time standard, as well as how much faster Chengjin needs to be to reach the next level. The last columns provide Chengjin rankings at the team and LSC levels. These rankings are based on the Chengjin'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	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	35.40	27.89 (+7.51s \| 21.2%)	26.79 (+8.61s \| 24.3%)	29.99 (+5.41s \| 15.3%)	27.69 (+7.71s \| 21.8%)	26.09 (+9.31s \| 26.3%)	24.89 (+10.51s \| 29.7%)	23.89 (+11.51s \| 32.5%)	23.89 (+11.51s \| 32.5%)	23.29 (+12.11s \| 34.2%)	22.59 (+12.81s \| 36.2%)	22.79 (+12.61s \| 35.6%)	N/A	28.49 (+6.91s \| 19.5%)
Free 100 Y	1:21.11	1:00.49 (+20.62s \| 25.4%)	59.09 (+22.02s \| 27.1%)	1:04.99 (+16.12s \| 19.9%)	59.99 (+21.12s \| 26.0%)	56.59 (+24.52s \| 30.2%)	53.99 (+27.12s \| 33.4%)	51.89 (+29.22s \| 36.0%)	51.89 (+29.22s \| 36.0%)	50.39 (+30.72s \| 37.9%)	49.29 (+31.82s \| 39.2%)	49.69 (+31.42s \| 38.7%)	N/A	1:00.49 (+20.62s \| 25.4%)
Back 50 Y	45.47	31.99 (+13.48s \| 29.6%)	31.09 (+14.38s \| 31.6%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	32.19 (+13.28s \| 29.2%)
Back 100 Y	1:29.80	1:09.39 (+20.41s \| 22.7%)	1:07.49 (+22.31s \| 24.8%)	1:10.79 (+19.01s \| 21.2%)	1:05.39 (+24.41s \| 27.2%)	1:01.39 (+28.41s \| 31.6%)	59.49 (+30.31s \| 33.8%)	57.09 (+32.71s \| 36.4%)	57.09 (+32.71s \| 36.4%)	55.09 (+34.71s \| 38.7%)	53.89 (+35.91s \| 40.0%)	54.49 (+35.31s \| 39.3%)	N/A	1:09.29 (+20.51s \| 22.8%)
Breast 50 Y	51.55	36.09 (+15.46s \| 30.0%)	34.99 (+16.56s \| 32.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.19 (+15.36s \| 29.8%)
Breast 100 Y	1:47.14	1:18.19 (+28.95s \| 27.0%)	1:15.89 (+31.25s \| 29.2%)	1:21.99 (+25.15s \| 23.5%)	1:15.69 (+31.45s \| 29.4%)	1:10.49 (+36.65s \| 34.2%)	1:07.59 (+39.55s \| 36.9%)	1:05.49 (+41.65s \| 38.9%)	1:05.49 (+41.65s \| 38.9%)	1:03.09 (+44.05s \| 41.1%)	1:01.79 (+45.35s \| 42.3%)	1:02.79 (+44.35s \| 41.4%)	N/A	1:18.19 (+28.95s \| 27.0%)
Fly 50 Y	42.55	30.59 (+11.96s \| 28.1%)	29.49 (+13.06s \| 30.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	30.89 (+11.66s \| 27.4%)
Fly 100 Y	1:35.91	1:08.09 (+27.82s \| 29.0%)	1:05.89 (+30.02s \| 31.3%)	1:10.69 (+25.22s \| 26.3%)	1:05.29 (+30.62s \| 31.9%)	1:01.39 (+34.52s \| 36.0%)	59.19 (+36.72s \| 38.3%)	56.59 (+39.32s \| 41.0%)	56.59 (+39.32s \| 41.0%)	54.69 (+41.22s \| 43.0%)	53.49 (+42.42s \| 44.2%)	53.99 (+41.92s \| 43.7%)	N/A	1:08.99 (+26.92s \| 28.1%)
IM 100 Y	1:31.10	1:09.29 (+21.81s \| 23.9%)	1:07.59 (+23.51s \| 25.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:10.09 (+21.01s \| 23.1%)

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	1:38.94	1:09.49 (+29.45s \| 29.8%)	1:08.59 (+30.35s \| 30.7%)	1:14.09 (+24.85s \| 25.1%)	1:08.39 (+30.55s \| 30.9%)	1:04.99 (+33.95s \| 34.3%)	1:01.89 (+37.05s \| 37.4%)	59.29 (+39.65s \| 40.1%)	59.29 (+39.65s \| 40.1%)	58.19 (+40.75s \| 41.2%)	56.99 (+41.95s \| 42.4%)	57.59 (+41.35s \| 41.8%)	N/A	55.79 (+43.15s \| 43.6%)	1:09.89 (+29.05s \| 29.4%)
Back 50 M	50.30	36.89 (+13.41s \| 26.7%)	35.49 (+14.81s \| 29.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	37.19 (+13.11s \| 26.1%)
Back 100 M	1:53.55	1:19.29 (+34.26s \| 30.2%)	1:17.09 (+36.46s \| 32.1%)	1:22.29 (+31.26s \| 27.5%)	1:15.99 (+37.56s \| 33.1%)	1:11.79 (+41.76s \| 36.8%)	1:09.49 (+44.06s \| 38.8%)	1:06.79 (+46.76s \| 41.2%)	1:06.79 (+46.76s \| 41.2%)	1:04.79 (+48.76s \| 42.9%)	1:03.69 (+49.86s \| 43.9%)	1:04.39 (+49.16s \| 43.3%)	N/A	1:01.89 (+51.66s \| 45.5%)	1:19.39 (+34.16s \| 30.1%)
Breast 50 M	57.00	40.69 (+16.31s \| 28.6%)	39.49 (+17.51s \| 30.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.69 (+16.31s \| 28.6%)
Breast 100 M	2:09.27	1:29.69 (+39.58s \| 30.6%)	1:27.39 (+41.88s \| 32.4%)	1:33.89 (+35.38s \| 27.4%)	1:26.69 (+42.58s \| 32.9%)	1:21.69 (+47.58s \| 36.8%)	1:18.79 (+50.48s \| 39.1%)	1:15.99 (+53.28s \| 41.2%)	1:15.99 (+53.28s \| 41.2%)	1:13.79 (+55.48s \| 42.9%)	1:12.19 (+57.08s \| 44.2%)	1:13.29 (+55.98s \| 43.3%)	N/A	1:10.29 (+58.98s \| 45.6%)	1:29.69 (+39.58s \| 30.6%)
Fly 50 M	51.31	34.29 (+17.02s \| 33.2%)	33.69 (+17.62s \| 34.3%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.59 (+16.72s \| 32.6%)

Progression

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

Event	Time	Progress	Standard	Next Standard	Age	Heat	Lane	Ranking
Pacific Swim SC C B BB+ Hosted By TERA			12/05/2025		Concord
50 Y Breast	51.55	-4.25s (New PB)		B: 43.99 (+7.56s \| 14.7%)	12	6	6

50 Y Free	35.40	-0.54s (New PB)		B: 33.99 (+1.41s \| 4.0%)	12	9	8	3

50 Y Fly	42.55	-0.14s (New PB)		B: 36.89 (+5.66s \| 13.3%)	12	7	4	9

100 Y Fly	1:35.91	-9.41s (New PB)		B: 1:25.79 (+10.12s \| 10.6%)	12	4	5	3

100 Y Back	1:30.22	+0.42s		B: 1:26.59 (+3.63s \| 4.0%)	12	6	4	1

100 Y IM	1:31.10	-10.99s (New PB)		B: 1:25.19 (+5.91s \| 6.5%)	12	9	8	6

Albany Armada Aquatics C B BB+ Meet			11/08/2025		Albany
100 Y Free	1:21.11	-5.67s (New PB)		B: 1:14.69 (+6.42s \| 7.9%)	12	5	2	3

100 Y Back	1:29.80	-10.38s (New PB)		B: 1:26.59 (+3.21s \| 3.6%)	12	4	5

100 Y Fly	1:45.32	-11.11s (New PB)		B: 1:25.79 (+19.53s \| 18.5%)	12	4	6	5

100 Y Breast	1:47.14	-8.15s (New PB)		B: 1:36.49 (+10.65s \| 9.9%)	12	6	1	7

50 Y Free	35.94	-3.22s (New PB)		B: 33.99 (+1.95s \| 5.4%)	12	8	4	3

50 Y Fly	42.69	-5.94s (New PB)		B: 36.89 (+5.80s \| 13.6%)	12	4	8	5

2025 06 07 CDST LC C B BB+ Meet			06/07/2025		Fremont
50 M Fly	51.31			B: 41.79 (+9.52s \| 18.6%)	11	4	6	6

100 M Free	1:38.94			B: 1:25.59 (+13.35s \| 13.5%)	11	5	6	2

50 M Breast	57.00			B: 49.79 (+7.21s \| 12.6%)	11	5	6

50 M Back	50.30			B: 44.79 (+5.51s \| 11.0%)	11	4	4	5

100 M Back	1:53.55			B: 1:40.59 (+12.96s \| 11.4%)	11	4	7	1

100 M Breast	2:09.27			B: 1:50.39 (+18.88s \| 14.6%)	11	4	4	1

2025 3 22 CDST SC C B BB+ Meet			03/22/2025		Fremont
50 Y Free	40.35	+1.19s		B: 33.99 (+6.36s \| 15.8%)	11	6	8	3

100 Y Free	1:32.99	+6.21s		B: 1:14.69 (+18.30s \| 19.7%)	11	6	7	1

100 Y Breast	1:55.29	-3.85s (New PB)		B: 1:36.49 (+18.80s \| 16.3%)	11	6	1	9

100 Y Fly	1:59.84	+3.41s		B: 1:25.79 (+34.05s \| 28.4%)	11	5	5	9

50 Y Back	45.47			B: 38.79 (+6.68s \| 14.7%)	11	6	3

100 Y Back	1:40.18	-4.78s (New PB)		B: 1:26.59 (+13.59s \| 13.6%)	11	6	7	4

Livermore Aquacowboys SC C B BB+ Meet			01/11/2025		Livermore
50 Y Fly	52.88	+4.25s		B: 36.89 (+15.99s \| 30.2%)	11	4	5	5

100 Y Back	1:44.96			B: 1:26.59 (+18.37s \| 17.5%)	11	3	1	8

100 Y Fly	1:56.43			B: 1:25.79 (+30.64s \| 26.3%)	11	3	4	5

50 Y Free	39.95	+0.79s		B: 33.99 (+5.96s \| 14.9%)	11	5	5	5

50 Y Breast	55.80			B: 43.99 (+11.81s \| 21.2%)	11	3	8	3

100 Y IM	1:42.87	+0.78s		B: 1:25.19 (+17.68s \| 17.2%)	11	4	2	8

100 Y Breast	1:59.14	-1.24s (New PB)		B: 1:36.49 (+22.65s \| 19.0%)	11	5	4	6

2024 12 14 CDST SC C B BB+ Meet			12/14/2024		Fremont
100 Y IM	1:42.09			B: 1:25.19 (+16.90s \| 16.6%)	11	5	4

50 Y Fly	48.63	-2.46s (New PB)		B: 36.89 (+11.74s \| 24.1%)	11	4	1	3

100 Y Free	1:26.78	-4.48s (New PB)		B: 1:14.69 (+12.09s \| 13.9%)	11	4	9	8

100 Y Breast	2:00.38	-2.68s (New PB)		B: 1:36.49 (+23.89s \| 19.8%)	11	4	6	5

50 Y Free	40.20	+1.04s		B: 33.99 (+6.21s \| 15.4%)	11	4	1	8

SRVA SCY CBBB+			11/02/2024		San Ramon
50 Y Fly	51.09			B: 36.89 (+14.20s \| 27.8%)	11		4	1

100 Y Free	1:31.26			B: 1:14.69 (+16.57s \| 18.2%)	11	1	5	1

50 Y Free	39.16			B: 33.99 (+5.17s \| 13.2%)	11	1	7

100 Y Breast	2:03.06			B: 1:36.49 (+26.57s \| 21.6%)	11	9	2	3

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.