Leni So

Age: 17 years old
Age Category: 17-18
Team: Stamford Sailfish Aquatic Club | Connecticut Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Stamford Sailfish Aquatic Club

Connecticut Swimming

Eastern Zone

USA

Free 50 Y

25.71

11/05/2021

AAA: 24.69 (+1.02s | 4.0%)

375

1,000+

Free 100 Y

57.28

11/05/2021

AA: 55.89 (+1.39s | 2.4%)

560

1,000+

Back 50 Y

28.37

12/11/2025

120

502

Back 100 Y

1:01.82

12/11/2025

AA: 1:00.29 (+1.53s | 2.5%)

260

1,000+

50 Back

29.54

100 Back

32.28

1:01.82

100 Back

1:01.82

Back 200 Y

2:16.33

11/05/2021

A: 2:16.09 (+0.24s | 0.2%)

296

1,000+

50 Back

32.15

100 Back

34.59

1:06.75

100 Back

1:06.75

150 Back

34.95

1:41.70

200 Back

34.62

2:16.32

100 Back

1:09.57

Breast 50 Y

31.02

12/11/2025

118

Breast 100 Y

1:11.81

11/05/2021

AA: 1:09.69 (+2.12s | 3.0%)

288

1,000+

50 Breast

33.43

100 Breast

38.38

1:11.81

100 Breast

1:11.81

Breast 200 Y

2:27.72

12/11/2025

AAA: 2:25.09 (+2.63s | 1.8%)

473

50 Breast

32.78

100 Breast

37.24

1:10.02

100 Breast

1:10.02

150 Breast

38.82

1:48.84

200 Breast

38.88

2:27.72

100 Breast

1:17.70

IM 200 Y

2:16.51

12/11/2025

AA: 2:14.39 (+2.12s | 1.6%)

282

1,000+

50 Fly

29.28

100 Back

33.66

1:02.94

100 IM

1:02.94

150 Breast

40.20

1:43.14

200 Free

33.37

2:16.51

100 IM

1:13.57

IM 400 Y

4:52.94

11/05/2021

AA: 4:47.99 (+4.95s | 1.7%)

257

1,000+

50 Fly

31.52

100 Fly

36.50

1:08.02

100 Fly

1:08.02

150 Back

36.50

1:44.53

200 Back

36.51

2:21.04

100 Back

1:13.01

250 Breast

43.37

3:04.41

300 Breast

42.64

3:47.05

100 Breast

1:26.01

350 Free

33.34

4:20.39

400 Free

32.55

4:52.94

100 Free

1:05.89

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Stamford Sailfish Aquatic Club

Connecticut Swimming

Eastern Zone

USA

Free 100 M

1:01.93

07/18/2024

AAA: 1:01.09 (+0.84s | 1.4%)

105

779

50 Free

29.37

100 Free

32.56

1:01.93

100 Free

1:01.93

Back 100 M

1:10.49

07/18/2024

AAA: 1:07.49 (+3.00s | 4.3%)

101

636

50 Back

33.27

100 Back

37.22

1:10.49

100 Back

1:10.49

Breast 100 M

1:14.71

07/18/2024

AAA

AAAA: 1:13.09 (+1.62s | 2.2%)

110

50 Breast

34.78

100 Breast

39.93

1:14.71

100 Breast

1:14.71

Breast 200 M

2:47.25

07/18/2024

AAA: 2:44.99 (+2.26s | 1.4%)

221

50 Breast

37.54

100 Breast

42.12

1:19.66

100 Breast

1:19.66

150 Breast

43.62

2:03.28

200 Breast

43.97

2:47.25

100 Breast

1:27.59

IM 200 M

2:33.00

07/18/2024

AAA: 2:28.79 (+4.21s | 2.8%)

636

50 Fly

32.70

100 Back

37.87

1:10.57

100 IM

1:10.57

150 Breast

45.28

1:55.85

200 Free

37.15

2:33.00

100 IM

1:22.43

Above are the fastest times that Leni So has achieved in her swimming career. For each event, you can find Leni's best time, the corresponding time standard, as well as how much faster Leni needs to be to reach the next level. The last columns provide Leni rankings at the team and LSC levels. These rankings are based on the Leni'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
Free 50 Y	25.71	24.89 (+0.82s \| 3.2%)	23.89 (+1.82s \| 7.1%)	23.89 (+1.82s \| 7.1%)	23.29 (+2.42s \| 9.4%)	22.59 (+3.12s \| 12.1%)	22.79 (+2.92s \| 11.4%)
Free 100 Y	57.28	53.99 (+3.29s \| 5.7%)	51.89 (+5.39s \| 9.4%)	51.89 (+5.39s \| 9.4%)	50.39 (+6.89s \| 12.0%)	49.29 (+7.99s \| 13.9%)	49.69 (+7.59s \| 13.3%)
Back 50 Y	28.37	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	1:01.82	59.49 (+2.33s \| 3.8%)	57.09 (+4.73s \| 7.7%)	57.09 (+4.73s \| 7.7%)	55.09 (+6.73s \| 10.9%)	53.89 (+7.93s \| 12.8%)	54.49 (+7.33s \| 11.9%)
Back 200 Y	2:16.33	2:08.59 (+7.74s \| 5.7%)	2:04.19 (+12.14s \| 8.9%)	2:04.19 (+12.14s \| 8.9%)	1:59.39 (+16.94s \| 12.4%)	1:56.59 (+19.74s \| 14.5%)	1:57.69 (+18.64s \| 13.7%)
Breast 50 Y	31.02	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:11.81	1:07.59 (+4.22s \| 5.9%)	1:05.49 (+6.32s \| 8.8%)	1:05.49 (+6.32s \| 8.8%)	1:03.09 (+8.72s \| 12.1%)	1:01.79 (+10.02s \| 14.0%)	1:02.79 (+9.02s \| 12.6%)
Breast 200 Y	2:27.72	2:28.19	2:22.69 (+5.03s \| 3.4%)	2:22.69 (+5.03s \| 3.4%)	2:17.19 (+10.53s \| 7.1%)	2:13.59 (+14.13s \| 9.6%)	2:15.49 (+12.23s \| 8.3%)
IM 200 Y	2:16.51	2:10.49 (+6.02s \| 4.4%)	2:06.39 (+10.12s \| 7.4%)	2:06.39 (+10.12s \| 7.4%)	2:02.19 (+14.32s \| 10.5%)	1:59.49 (+17.02s \| 12.5%)	2:00.59 (+15.92s \| 11.7%)
IM 400 Y	4:52.94	4:39.09 (+13.85s \| 4.7%)	4:30.69 (+22.25s \| 7.6%)	4:30.69 (+22.25s \| 7.6%)	4:21.69 (+31.25s \| 10.7%)	4:13.69 (+39.25s \| 13.4%)	4:15.19 (+37.75s \| 12.9%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 100 M	1:01.93	1:01.89 (+0.04s \| 0.1%)	59.29 (+2.64s \| 4.3%)	59.29 (+2.64s \| 4.3%)	58.19 (+3.74s \| 6.0%)	56.99 (+4.94s \| 8.0%)	57.59 (+4.34s \| 7.0%)
Back 100 M	1:10.49	1:09.49 (+1.00s \| 1.4%)	1:06.79 (+3.70s \| 5.2%)	1:06.79 (+3.70s \| 5.2%)	1:04.79 (+5.70s \| 8.1%)	1:03.69 (+6.80s \| 9.6%)	1:04.39 (+6.10s \| 8.7%)
Breast 100 M	1:14.71	1:18.79	1:15.99	1:15.99	1:13.79 (+0.92s \| 1.2%)	1:12.19 (+2.52s \| 3.4%)	1:13.29 (+1.42s \| 1.9%)
Breast 200 M	2:47.25	2:49.69	2:43.39 (+3.86s \| 2.3%)	2:43.39 (+3.86s \| 2.3%)	2:38.59 (+8.66s \| 5.2%)	2:36.09 (+11.16s \| 6.7%)	2:38.29 (+8.96s \| 5.4%)
IM 200 M	2:33.00	2:31.09 (+1.91s \| 1.2%)	2:26.19 (+6.81s \| 4.5%)	2:26.19 (+6.81s \| 4.5%)	2:22.09 (+10.91s \| 7.1%)	2:19.49 (+13.51s \| 8.8%)	2:20.99 (+12.01s \| 7.8%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 NE CRA Winter Invitational

12/11/2025

Wellesley

200 Y IM

2:16.51

-0.45s (New PB)

AA: 2:14.39 (+2.12s | 1.6%)

50 Fly

29.28

100 Back

33.66

1:02.94

100 IM

1:02.94

150 Breast

40.20

1:43.14

200 Free

33.37

2:16.51

100 IM

1:13.57

50 Y Breast

31.02

100 Y Back

1:01.82

AA: 1:00.29 (+1.53s | 2.5%)

50 Back

29.54

100 Back

32.28

1:01.82

100 Back

1:01.82

50 Y Back

28.37

-1.37s (New PB)

200 Y Breast

2:27.72

-7.02s (New PB)

AAA: 2:25.09 (+2.63s | 1.8%)

50 Breast

32.78

100 Breast

37.24

1:10.02

100 Breast

1:10.02

150 Breast

38.82

1:48.84

200 Breast

38.88

2:27.72

100 Breast

1:17.70

2024 PC Novato CA NV Speedo Sectionals

07/18/2024

Novato

100 M Free

1:01.93

AAA: 1:01.59 (+0.34s | 0.5%)

50 Free

29.37

100 Free

32.56

1:01.93

100 Free

1:01.93

200 M Breast

2:47.25

-1.82s (New PB)

AAA: 2:46.99 (+0.26s | 0.2%)

50 Breast

37.54

100 Breast

42.12

1:19.66

100 Breast

1:19.66

150 Breast

43.62

2:03.28

200 Breast

43.97

2:47.25

100 Breast

1:27.59

100 M Breast

1:14.71

AAA

AAAA: 1:13.99 (+0.72s | 1.0%)

50 Breast

34.78

100 Breast

39.93

1:14.71

100 Breast

1:14.71

200 M Breast

2:49.07

AAA: 2:46.99 (+2.08s | 1.2%)

50 Breast

37.51

100 Breast

42.44

1:19.95

100 Breast

1:19.95

150 Breast

44.32

2:04.27

200 Breast

44.80

2:49.07

100 Breast

1:29.12

200 M IM

2:33.00

AAA: 2:30.19 (+2.81s | 1.8%)

50 Fly

32.70

100 Back

37.87

1:10.57

100 IM

1:10.57

150 Breast

45.28

1:55.85

200 Free

37.15

2:33.00

100 IM

1:22.43

100 M Back

1:10.49

AAA: 1:08.29 (+2.20s | 3.1%)

50 Back

33.27

100 Back

37.22

1:10.49

100 Back

1:10.49

2021 VA Mid Atlantic AG Championship Showdown

11/05/2021

Stafford

200 Y Back

2:16.33

AAA: 2:10.69 (+5.64s | 4.1%)

50 Back

32.15

100 Back

34.59

1:06.75

100 Back

1:06.75

150 Back

34.95

1:41.70

200 Back

34.62

2:16.32

100 Back

1:09.57

200 Y Breast

2:34.74

AAA: 2:30.09 (+4.65s | 3.0%)

50 Breast

35.44

100 Breast

39.10

1:14.54

100 Breast

1:14.54

150 Breast

40.01

1:54.55

200 Breast

40.19

2:34.74

100 Breast

1:20.20

400 Y IM

4:52.94

AAA: 4:47.39 (+5.55s | 1.9%)

50 Fly

31.52

100 Fly

36.50

1:08.02

100 Fly

1:08.02

150 Back

36.50

1:44.53

200 Back

36.51

2:21.04

100 Back

1:13.01

250 Breast

43.37

3:04.41

300 Breast

42.64

3:47.05

100 Breast

1:26.01

350 Free

33.34

4:20.39

400 Free

32.55

4:52.94

100 Free

1:05.89

100 Y Free

57.28

AAA: 55.79 (+1.49s | 2.6%)

50 Y Back

29.74

200 Y IM

2:16.96

AAA: 2:14.99 (+1.97s | 1.4%)

50 Fly

29.98

100 Back

33.78

1:03.76

100 IM

1:03.76

150 Breast

41.73

1:45.49

200 Free

31.47

2:16.96

100 IM

1:13.20

50 Y Free

25.71

AAA: 25.59 (+0.12s | 0.5%)

100 Y Breast

1:11.81

AAA: 1:09.69 (+2.12s | 3.0%)

50 Breast

33.43

100 Breast

38.38

1:11.81

100 Breast

1:11.81

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	25.71	24.89 (+0.82s \| 3.2%)	23.89 (+1.82s \| 7.1%)	23.89 (+1.82s \| 7.1%)	23.29 (+2.42s \| 9.4%)	22.59 (+3.12s \| 12.1%)	22.79 (+2.92s \| 11.4%)
Free 100 Y	57.28	53.99 (+3.29s \| 5.7%)	51.89 (+5.39s \| 9.4%)	51.89 (+5.39s \| 9.4%)	50.39 (+6.89s \| 12.0%)	49.29 (+7.99s \| 13.9%)	49.69 (+7.59s \| 13.3%)
Back 50 Y	28.37	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	1:01.82	59.49 (+2.33s \| 3.8%)	57.09 (+4.73s \| 7.7%)	57.09 (+4.73s \| 7.7%)	55.09 (+6.73s \| 10.9%)	53.89 (+7.93s \| 12.8%)	54.49 (+7.33s \| 11.9%)
Back 200 Y	2:16.33	2:08.59 (+7.74s \| 5.7%)	2:04.19 (+12.14s \| 8.9%)	2:04.19 (+12.14s \| 8.9%)	1:59.39 (+16.94s \| 12.4%)	1:56.59 (+19.74s \| 14.5%)	1:57.69 (+18.64s \| 13.7%)
Breast 50 Y	31.02	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:11.81	1:07.59 (+4.22s \| 5.9%)	1:05.49 (+6.32s \| 8.8%)	1:05.49 (+6.32s \| 8.8%)	1:03.09 (+8.72s \| 12.1%)	1:01.79 (+10.02s \| 14.0%)	1:02.79 (+9.02s \| 12.6%)
Breast 200 Y	2:27.72	2:28.19	2:22.69 (+5.03s \| 3.4%)	2:22.69 (+5.03s \| 3.4%)	2:17.19 (+10.53s \| 7.1%)	2:13.59 (+14.13s \| 9.6%)	2:15.49 (+12.23s \| 8.3%)
IM 200 Y	2:16.51	2:10.49 (+6.02s \| 4.4%)	2:06.39 (+10.12s \| 7.4%)	2:06.39 (+10.12s \| 7.4%)	2:02.19 (+14.32s \| 10.5%)	1:59.49 (+17.02s \| 12.5%)	2:00.59 (+15.92s \| 11.7%)
IM 400 Y	4:52.94	4:39.09 (+13.85s \| 4.7%)	4:30.69 (+22.25s \| 7.6%)	4:30.69 (+22.25s \| 7.6%)	4:21.69 (+31.25s \| 10.7%)	4:13.69 (+39.25s \| 13.4%)	4:15.19 (+37.75s \| 12.9%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 100 M	1:01.93	1:01.89 (+0.04s \| 0.1%)	59.29 (+2.64s \| 4.3%)	59.29 (+2.64s \| 4.3%)	58.19 (+3.74s \| 6.0%)	56.99 (+4.94s \| 8.0%)	57.59 (+4.34s \| 7.0%)
Back 100 M	1:10.49	1:09.49 (+1.00s \| 1.4%)	1:06.79 (+3.70s \| 5.2%)	1:06.79 (+3.70s \| 5.2%)	1:04.79 (+5.70s \| 8.1%)	1:03.69 (+6.80s \| 9.6%)	1:04.39 (+6.10s \| 8.7%)
Breast 100 M	1:14.71	1:18.79	1:15.99	1:15.99	1:13.79 (+0.92s \| 1.2%)	1:12.19 (+2.52s \| 3.4%)	1:13.29 (+1.42s \| 1.9%)
Breast 200 M	2:47.25	2:49.69	2:43.39 (+3.86s \| 2.3%)	2:43.39 (+3.86s \| 2.3%)	2:38.59 (+8.66s \| 5.2%)	2:36.09 (+11.16s \| 6.7%)	2:38.29 (+8.96s \| 5.4%)
IM 200 M	2:33.00	2:31.09 (+1.91s \| 1.2%)	2:26.19 (+6.81s \| 4.5%)	2:26.19 (+6.81s \| 4.5%)	2:22.09 (+10.91s \| 7.1%)	2:19.49 (+13.51s \| 8.8%)	2:20.99 (+12.01s \| 7.8%)