Zhizhi Ji

Age: 10 years old
Age Category: 10 & under
Team: Wave Aquatics | Pacific Northwest Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Northwest Swimming

Wave Aquatics

Free 50 Y

31.20

11/22/2025

AA: 30.89 (+0.31s | 1.0%)

Free 100 Y

1:10.00

11/22/2025

AA: 1:08.29 (+1.71s | 2.4%)

50 Free

32.70

100 Free

37.30

1:10.00

100 Free

1:10.00

Free 200 Y

2:53.23

02/21/2025

A: 2:38.39 (+14.84s | 8.6%)

50 Free

38.55

100 Free

44.40

1:22.95

100 Free

1:22.95

150 Free

46.49

2:09.44

200 Free

43.79

2:53.23

100 Free

1:30.28

Free 500 Y

7:36.08

11/01/2025

A: 6:53.39 (+42.69s | 9.4%)

50 Free

35.78

100 Free

44.85

1:20.63

100 Free

1:20.63

200 Free

1:33.53

2:54.16

100 Free

1:33.53

250 Free

47.24

3:41.40

300 Free

47.28

4:28.68

100 Free

1:34.52

350 Free

47.46

5:16.14

400 Free

47.42

6:03.56

100 Free

1:34.88

450 Free

47.52

6:51.08

500 Free

45.00

7:36.08

100 Free

1:32.52

Back 50 Y

35.43

11/22/2025

AAA: 34.39 (+1.04s | 2.9%)

Back 100 Y

1:20.55

10/04/2025

AA: 1:18.39 (+2.16s | 2.7%)

50 Back

39.58

100 Back

40.97

1:20.55

100 Back

1:20.55

Breast 50 Y

42.42

11/22/2025

AA: 40.89 (+1.53s | 3.6%)

Breast 100 Y

1:34.37

10/04/2025

A: 1:33.59 (+0.78s | 0.8%)

50 Breast

45.43

100 Breast

48.94

1:34.37

100 Breast

1:34.37

Fly 50 Y

32.00

11/22/2025

AAA

AAAA: 31.29 (+0.71s | 2.2%)

Fly 100 Y

1:17.58

10/04/2025

AAA: 1:15.99 (+1.59s | 2.0%)

50 Fly

36.47

100 Fly

41.11

1:17.58

100 Fly

1:17.58

IM 100 Y

1:17.52

11/22/2025

AAA: 1:14.69 (+2.83s | 3.7%)

50 IM

35.19

100 IM

42.33

1:17.52

100 IM

1:17.52

Long course distance

Event	Time	Age	Date	Standard	Next Standard	Pacific Northwest Swimming	Wave Aquatics
Free 50 M	36.71	9	07/24/2025	BB	A: 36.59 (+0.12s \| 0.3%)	19	1

Free 100 M	1:28.77	9	07/18/2025	BB	A: 1:21.89 (+6.88s \| 7.8%)	55	3

Free 200 M	3:19.47	9	05/02/2025	BB	A: 3:00.39 (+19.08s \| 9.6%)	45	3

Back 50 M	43.72	9	07/24/2025	BB	A: 43.59 (+0.13s \| 0.3%)	32	1

Back 100 M	1:30.95	9	07/24/2025	A	AA: 1:30.09 (+0.86s \| 0.9%)	14	1

Breast 50 M	51.24	9	07/18/2025	BB	A: 48.79 (+2.45s \| 4.8%)	38	2

Breast 100 M	1:50.36	9	07/18/2025	BB	A: 1:48.39 (+1.97s \| 1.8%)	36	2

Fly 50 M	37.94	9	07/24/2025	AA	AAA: 37.29 (+0.65s \| 1.7%)	8	2

Fly 100 M	1:30.16	9	07/24/2025	AA	AAA: 1:26.39 (+3.77s \| 4.2%)	9	1

Above are the fastest times that Zhizhi Ji has achieved in her swimming career. For each event, you can find Zhizhi's best time, the corresponding time standard, as well as how much faster Zhizhi needs to be to reach the next level. The last columns provide Zhizhi rankings at the team and LSC levels. These rankings are based on the Zhizhi'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
Free 50 Y	31.20	24.89 (+6.31s \| 20.2%)	23.89 (+7.31s \| 23.4%)	23.89 (+7.31s \| 23.4%)	23.29 (+7.91s \| 25.4%)	22.59 (+8.61s \| 27.6%)	22.79 (+8.41s \| 27.0%)	30.89 (+0.31s \| 1.0%)
Free 100 Y	1:10.00	53.99 (+16.01s \| 22.9%)	51.89 (+18.11s \| 25.9%)	51.89 (+18.11s \| 25.9%)	50.39 (+19.61s \| 28.0%)	49.29 (+20.71s \| 29.6%)	49.69 (+20.31s \| 29.0%)	1:08.19 (+1.81s \| 2.6%)
Free 200 Y	2:53.23	1:56.29 (+56.94s \| 32.9%)	1:52.89 (+60.34s \| 34.8%)	1:52.29 (+60.94s \| 35.2%)	1:49.09 (+64.14s \| 37.0%)	1:46.69 (+66.54s \| 38.4%)	1:47.39 (+65.84s \| 38.0%)	2:29.09 (+24.14s \| 13.9%)
Free 500 Y	7:36.08	5:10.69 (+145.39s \| 31.9%)	5:02.59 (+153.49s \| 33.7%)	5:02.59 (+153.49s \| 33.7%)	4:53.09 (+162.99s \| 35.7%)	4:45.99 (+170.09s \| 37.3%)	4:48.09 (+167.99s \| 36.8%)	6:31.39 (+64.69s \| 14.2%)
Back 50 Y	35.43	N/A	N/A	N/A	N/A	N/A	N/A	36.49 33.69 (+1.74s \| 4.9%)
Back 100 Y	1:20.55	59.49 (+21.06s \| 26.1%)	57.09 (+23.46s \| 29.1%)	57.09 (+23.46s \| 29.1%)	55.09 (+25.46s \| 31.6%)	53.89 (+26.66s \| 33.1%)	54.49 (+26.06s \| 32.4%)	1:17.89 (+2.66s \| 3.3%)
Breast 50 Y	42.42	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+2.03s \| 4.8%)
Breast 100 Y	1:34.37	1:07.59 (+26.78s \| 28.4%)	1:05.49 (+28.88s \| 30.6%)	1:05.49 (+28.88s \| 30.6%)	1:03.09 (+31.28s \| 33.1%)	1:01.79 (+32.58s \| 34.5%)	1:02.79 (+31.58s \| 33.5%)	1:27.99 (+6.38s \| 6.8%)
Fly 50 Y	32.00	N/A	N/A	N/A	N/A	N/A	N/A	35.09 32.19
Fly 100 Y	1:17.58	59.19 (+18.39s \| 23.7%)	56.59 (+20.99s \| 27.1%)	56.59 (+20.99s \| 27.1%)	54.69 (+22.89s \| 29.5%)	53.49 (+24.09s \| 31.1%)	53.99 (+23.59s \| 30.4%)	1:20.19 1:11.69 (+5.89s \| 7.6%)
IM 100 Y	1:17.52	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 1:13.79 (+3.73s \| 4.8%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	36.71	28.69 (+8.02s \| 21.8%)	27.39 (+9.32s \| 25.4%)	27.39 (+9.32s \| 25.4%)	26.89 (+9.82s \| 26.8%)	26.29 (+10.42s \| 28.4%)	26.59 (+10.12s \| 27.6%)	35.19 (+1.52s \| 4.1%)
Free 100 M	1:28.77	1:01.89 (+26.88s \| 30.3%)	59.29 (+29.48s \| 33.2%)	59.29 (+29.48s \| 33.2%)	58.19 (+30.58s \| 34.4%)	56.99 (+31.78s \| 35.8%)	57.59 (+31.18s \| 35.1%)	1:17.49 (+11.28s \| 12.7%)
Free 200 M	3:19.47	2:12.99 (+66.48s \| 33.3%)	2:07.79 (+71.68s \| 35.9%)	2:07.79 (+71.68s \| 35.9%)	2:04.99 (+74.48s \| 37.3%)	2:03.09 (+76.38s \| 38.3%)	2:04.29 (+75.18s \| 37.7%)	2:50.09 (+29.38s \| 14.7%)
Back 50 M	43.72	N/A	N/A	N/A	N/A	N/A	N/A	41.79 (+1.93s \| 4.4%)
Back 100 M	1:30.95	1:09.49 (+21.46s \| 23.6%)	1:06.79 (+24.16s \| 26.6%)	1:06.79 (+24.16s \| 26.6%)	1:04.79 (+26.16s \| 28.8%)	1:03.69 (+27.26s \| 30.0%)	1:04.39 (+26.56s \| 29.2%)	1:30.29 (+0.66s \| 0.7%)
Breast 50 M	51.24	N/A	N/A	N/A	N/A	N/A	N/A	46.19 (+5.05s \| 9.9%)
Breast 100 M	1:50.36	1:18.79 (+31.57s \| 28.6%)	1:15.99 (+34.37s \| 31.1%)	1:15.99 (+34.37s \| 31.1%)	1:13.79 (+36.57s \| 33.1%)	1:12.19 (+38.17s \| 34.6%)	1:13.29 (+37.07s \| 33.6%)	1:41.49 (+8.87s \| 8.0%)
Fly 50 M	37.94	N/A	N/A	N/A	N/A	N/A	N/A	39.69 36.29 (+1.65s \| 4.3%)
Fly 100 M	1:30.16	1:07.19 (+22.97s \| 25.5%)	1:04.69 (+25.47s \| 28.2%)	1:04.69 (+25.47s \| 28.2%)	1:02.69 (+27.47s \| 30.5%)	1:01.69 (+28.47s \| 31.6%)	1:02.39 (+27.77s \| 30.8%)	1:31.09 1:21.99 (+8.17s \| 9.1%)

Progression

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

Select the distance and stroke

Compare with another swimmer

View this profile

Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 PN Nov AGI, Division 2 (SMAC)

11/22/2025

Snohomish

100 Y IM

1:17.52

-0.25s (New PB)

AAA: 1:14.69 (+2.83s | 3.7%)

50 IM

35.19

100 IM

42.33

1:17.52

100 IM

1:17.52

50 Y Free

31.20

-0.96s (New PB)

AA: 30.89 (+0.31s | 1.0%)

50 Y Breast

42.42

-3.25s (New PB)

AA: 40.89 (+1.53s | 3.6%)

50 Y Back

35.43

-1.70s (New PB)

AAA: 34.39 (+1.04s | 2.9%)

100 Y Free

1:10.00

-4.47s (New PB)

AA: 1:08.29 (+1.71s | 2.4%)

50 Free

32.70

100 Free

37.30

1:10.00

100 Free

1:10.00

50 Y Fly

32.00

-2.19s (New PB)

AAA

AAAA: 31.29 (+0.71s | 2.2%)

2025 PN Bob Miller Sprint Distance Classic

11/01/2025

Bainbridge Island

50 Y Free

32.16

-3.86s (New PB)

A: 32.09 (+0.07s | 0.2%)

50 Y Back

37.13

-0.13s (New PB)

AA: 36.19 (+0.94s | 2.5%)

50 Y Fly

34.19

-3.78s (New PB)

AAA: 33.19 (+1.00s | 2.9%)

500 Y Free

7:36.08

A: 6:53.39 (+42.69s | 9.4%)

50 Free

35.78

100 Free

44.85

1:20.63

100 Free

1:20.63

200 Free

1:33.53

2:54.16

100 Free

1:33.53

250 Free

47.24

3:41.40

300 Free

47.28

4:28.68

100 Free

1:34.52

350 Free

47.46

5:16.14

400 Free

47.42

6:03.56

100 Free

1:34.88

450 Free

47.52

6:51.08

500 Free

45.00

7:36.08

100 Free

1:32.52

50 Y Breast

45.67

-1.58s (New PB)

A: 42.79 (+2.88s | 6.3%)

2025 PN Cascade Fall Classic

10/04/2025

Seattle

100 Y IM

1:17.77

-9.77s (New PB)

AAA: 1:14.69 (+3.08s | 4.0%)

50 IM

34.49

100 IM

43.28

1:17.77

100 IM

1:17.77

50 Y Back

37.26

-4.00s (New PB)

AA: 36.19 (+1.07s | 2.9%)

100 Y Free

1:14.47

-6.40s (New PB)

A: 1:11.49 (+2.98s | 4.0%)

50 Free

34.31

100 Free

40.16

1:14.47

100 Free

1:14.47

100 Y Breast

1:34.37

-6.97s (New PB)

A: 1:33.59 (+0.78s | 0.8%)

50 Breast

45.43

100 Breast

48.94

1:34.37

100 Breast

1:34.37

100 Y Back

1:20.55

-10.06s (New PB)

AA: 1:18.39 (+2.16s | 2.7%)

50 Back

39.58

100 Back

40.97

1:20.55

100 Back

1:20.55

100 Y Fly

1:17.58

-16.05s (New PB)

AAA: 1:15.99 (+1.59s | 2.0%)

50 Fly

36.47

100 Fly

41.11

1:17.58

100 Fly

1:17.58

2025 PN LC 12 U Championships

07/24/2025

Federal Way

50 M Fly

37.94

-4.38s (New PB)

AAA: 37.29 (+0.65s | 1.7%)

50 M Back

43.72

-0.49s (New PB)

A: 43.59 (+0.13s | 0.3%)

50 M Free

36.71

-1.88s (New PB)

A: 36.59 (+0.12s | 0.3%)

100 M Fly

1:30.16

-7.12s (New PB)

AAA: 1:26.39 (+3.77s | 4.2%)

100 M Back

1:30.95

-3.85s (New PB)

AA: 1:30.09 (+0.86s | 0.9%)

2025 PN Chinook Age Group Seattle Open

07/18/2025

Seattle

100 M Back

1:34.80

-3.40s (New PB)

A: 1:34.59 (+0.21s | 0.2%)

50 M Back

44.21

-0.29s (New PB)

A: 43.59 (+0.62s | 1.4%)

50 M Breast

51.24

A: 48.79 (+2.45s | 4.8%)

100 M Free

1:28.77

-0.28s (New PB)

A: 1:21.89 (+6.88s | 7.8%)

100 M Breast

1:50.36

-3.55s (New PB)

A: 1:48.39 (+1.97s | 1.8%)

100 M Fly

1:37.28

-6.26s (New PB)

AA: 1:32.19 (+5.09s | 5.2%)

2025 PN VAST Summer Sprints And Distance Chal

05/31/2025

Federal Way

50 M Fly

42.32

A: 41.59 (+0.73s | 1.7%)

50 M Back

44.50

A: 43.59 (+0.91s | 2.0%)

200 M Free

3:20.79

+1.32s

A: 3:00.39 (+20.40s | 10.2%)

2025 PN BC May Flowers

05/02/2025

Federal Way

200 M Free

3:19.47

A: 3:00.39 (+19.08s | 9.6%)

100 M Breast

1:53.91

A: 1:48.39 (+5.52s | 4.8%)

100 M Fly

1:43.54

A: 1:37.99 (+5.55s | 5.4%)

50 M Free

38.59

A: 36.59 (+2.00s | 5.2%)

100 M Free

1:29.05

A: 1:21.89 (+7.16s | 8.0%)

100 M Back

1:38.20

A: 1:34.59 (+3.61s | 3.7%)

2025 PN Spring Finale Division 3

03/29/2025

Anacortes

50 Y Fly

39.99

+2.02s

A: 36.99 (+3.00s | 7.5%)

50 Y Breast

48.65

+1.40s

A: 42.79 (+5.86s | 12.0%)

50 Y Back

41.28

+0.02s

A: 37.99 (+3.29s | 8.0%)

100 Y IM

1:27.54

-2.20s (New PB)

A: 1:22.09 (+5.45s | 6.2%)

50 IM

40.61

100 IM

46.93

1:27.54

100 IM

1:27.54

50 Y Free

36.02

-0.41s (New PB)

BB: 35.99 (+0.03s | 0.1%)

2025 PN SRST Champs Qualifier

02/21/2025

Snohomish

50 Y Fly

37.97

-4.17s (New PB)

A: 36.99 (+0.98s | 2.6%)

200 Y Free

2:53.23

-21.19s (New PB)

A: 2:38.39 (+14.84s | 8.6%)

50 Free

38.55

100 Free

44.40

1:22.95

100 Free

1:22.95

150 Free

46.49

2:09.44

200 Free

43.79

2:53.23

100 Free

1:30.28

50 Y Free

36.43

-3.35s (New PB)

BB: 35.99 (+0.44s | 1.2%)

50 Y Back

41.26

-3.13s (New PB)

A: 37.99 (+3.27s | 7.9%)

100 Y Free

1:20.87

-2.48s (New PB)

A: 1:11.49 (+9.38s | 11.6%)

50 Free

37.77

100 Free

43.10

1:20.87

100 Free

1:20.87

2025 PN SSCD Winter Open

02/08/2025

Mukilteo

100 Y Free

1:23.35

-3.20s (New PB)

BB: 1:21.09 (+2.26s | 2.7%)

50 Free

39.46

100 Free

43.89

1:23.35

100 Free

1:23.35

100 Y IM

1:29.74

-4.23s (New PB)

A: 1:22.09 (+7.65s | 8.5%)

50 IM

1:29.74

100 IM

0.00

1:29.74

100 IM

1:29.74

100 Y Back

1:30.61

-5.53s (New PB)

A: 1:22.29 (+8.32s | 9.2%)

50 Back

43.66

100 Back

46.95

1:30.61

100 Back

1:30.61

50 Y Breast

47.25

-1.90s (New PB)

A: 42.79 (+4.46s | 9.4%)

100 Y Breast

1:41.34

-4.47s (New PB)

A: 1:33.59 (+7.75s | 7.6%)

50 Breast

48.53

100 Breast

52.81

1:41.34

100 Breast

1:41.34

100 Y Fly

1:33.63

-4.76s (New PB)

A: 1:26.09 (+7.54s | 8.1%)

50 Fly

40.80

100 Fly

52.83

1:33.63

100 Fly

1:33.63

2025 PN Wave Winter Invitational

01/25/2025

Kirkland

50 Y Fly

42.20

+0.06s

A: 36.99 (+5.21s | 12.3%)

100 Y Fly

1:38.39

A: 1:26.09 (+12.30s | 12.5%)

50 Fly

42.22

100 Fly

56.17

1:38.39

100 Fly

1:38.39

200 Y Free

3:14.42

-1.79s (New PB)

BB: 3:00.59 (+13.83s | 7.1%)

50 Free

42.30

100 Free

48.29

1:30.59

100 Free

1:30.59

150 Free

52.45

2:23.04

200 Free

51.38

3:14.42

100 Free

1:43.83

100 Y Breast

1:45.81

A: 1:33.59 (+12.22s | 11.5%)

50 Breast

50.77

100 Breast

55.04

1:45.81

100 Breast

1:45.81

100 Y Free

1:26.55

-4.10s (New PB)

BB: 1:21.09 (+5.46s | 6.3%)

50 Free

40.41

100 Free

46.14

1:26.55

100 Free

1:26.55

100 Y Back

1:36.14

BB: 1:33.99 (+2.15s | 2.2%)

50 Back

45.26

100 Back

50.88

1:36.14

100 Back

1:36.14

2024 PN Fall Divisional, Division 2

12/07/2024

Snohomish

50 Y Back

44.91

+0.52s

BB: 43.29 (+1.62s | 3.6%)

50 Y Fly

42.14

-0.80s (New PB)

A: 36.99 (+5.15s | 12.2%)

50 Y Breast

49.15

-0.88s (New PB)

BB: 48.69 (+0.46s | 0.9%)

100 Y IM

1:33.97

-2.79s (New PB)

BB: 1:33.19 (+0.78s | 0.8%)

50 IM

45.20

100 IM

48.77

1:33.97

100 IM

1:33.97

50 Y Free

39.78

+0.00s

BB: 35.99 (+3.79s | 9.5%)

2024 PN November AGI Div 4 WEST

11/23/2024

Mukilteo

50 Y Free

39.78

-0.78s (New PB)

BB: 35.99 (+3.79s | 9.5%)

200 Y Free

3:16.21

-3.88s (New PB)

BB: 3:00.59 (+15.62s | 8.0%)

50 Free

42.03

100 Free

52.08

1:34.11

100 Free

1:34.11

150 Free

51.94

2:26.05

200 Free

50.16

3:16.21

100 Free

1:42.10

50 Y Breast

51.97

+1.94s

BB: 48.69 (+3.28s | 6.3%)

50 Y Back

44.39

-0.32s (New PB)

BB: 43.29 (+1.10s | 2.5%)

100 Y Free

1:30.65

-7.82s (New PB)

BB: 1:21.09 (+9.56s | 10.5%)

50 Free

42.08

100 Free

48.57

1:30.65

100 Free

1:30.65

50 Y Fly

42.94

-0.01s (New PB)

BB: 42.69 (+0.25s | 0.6%)

2024 PN MMSC November Invitational

11/16/2024

Marysville

200 Y Free

3:20.09

-0.01s (New PB)

BB: 3:00.59 (+19.50s | 9.7%)

50 Free

43.79

100 Free

51.12

1:34.91

100 Free

1:34.91

150 Free

52.86

2:27.77

200 Free

52.32

3:20.09

100 Free

1:45.18

50 Y Breast

51.35

+1.32s

BB: 48.69 (+2.66s | 5.2%)

50 Y Back

44.71

BB: 43.29 (+1.42s | 3.2%)

100 Y IM

1:36.76

BB: 1:33.19 (+3.57s | 3.7%)

50 IM

42.70

100 IM

54.06

1:36.76

100 IM

1:36.76

50 Y Free

40.56

-2.05s (New PB)

B: 39.79 (+0.77s | 1.9%)

50 Y Fly

42.95

-4.31s (New PB)

BB: 42.69 (+0.26s | 0.6%)

2024 PN Wave Rocktober Invitational

10/19/2024

Kirkland

50 Y Breast

50.03

-0.78s (New PB)

BB: 48.69 (+1.34s | 2.7%)

50 Y Free

42.61

-5.47s (New PB)

B: 39.79 (+2.82s | 6.6%)

200 Y Free

3:20.10

BB: 3:00.59 (+19.51s | 9.8%)

50 Free

42.37

100 Free

52.38

1:34.75

100 Free

1:34.75

150 Free

53.59

2:28.34

200 Free

51.76

3:20.10

100 Free

1:45.35

2024 PN SSCD Autumn Open

10/05/2024

Mukilteo

50 Y Free

48.08

B: 39.79 (+8.29s | 17.2%)

50 Y Fly

47.26

BB: 42.69 (+4.57s | 9.7%)

100 Y Free

1:38.47

B: 1:30.79 (+7.68s | 7.8%)

50 Free

43.61

100 Free

54.86

1:38.47

100 Free

1:38.47

50 Y Breast

50.81

BB: 48.69 (+2.12s | 4.2%)

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.