Isaac Dai

Age: 9 years old
Age Category: 10 & under
Team: Mission Viejo Nadadores | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Mission Viejo Nadadores

Free 50 Y

30.19

03/13/2025

AA: 29.89 (+0.30s | 1.0%)

Free 100 Y

1:03.68

12/12/2025

AAA

AAAA: 1:00.69 (+2.99s | 4.7%)

50 Free

31.23

100 Free

32.45

1:03.68

100 Free

1:03.68

Free 200 Y

2:21.36

11/21/2025

AAA: 2:18.99 (+2.37s | 1.7%)

50 Free

32.42

100 Free

36.19

1:08.61

100 Free

1:08.61

150 Free

37.05

1:45.66

200 Free

35.70

2:21.36

100 Free

1:12.75

Free 500 Y

6:13.19

11/21/2025

AAA: 6:09.79 (+3.40s | 0.9%)

50 Free

32.35

100 Free

38.32

1:10.67

100 Free

1:10.67

150 Free

38.73

1:49.40

200 Free

37.52

2:26.92

100 Free

1:16.25

250 Free

38.40

3:05.32

300 Free

37.84

3:43.16

100 Free

1:16.24

350 Free

39.44

4:22.60

400 Free

37.24

4:59.84

100 Free

1:16.68

450 Free

37.24

5:37.08

500 Free

36.11

6:13.19

100 Free

1:13.35

Back 50 Y

34.55

12/12/2025

AAA: 33.99 (+0.56s | 1.6%)

Back 100 Y

1:13.90

12/12/2025

AAA: 1:12.49 (+1.41s | 1.9%)

50 Back

35.36

100 Back

38.54

1:13.90

100 Back

1:13.90

Breast 100 Y

1:32.34

01/24/2026

A: 1:30.59 (+1.75s | 1.9%)

50 Breast

43.54

100 Breast

48.80

1:32.34

100 Breast

1:32.34

Fly 50 Y

32.39

12/12/2025

AAA

AAAA: 30.79 (+1.60s | 4.9%)

Fly 100 Y

1:09.70

01/24/2026

AAAA

50 Fly

32.79

100 Fly

36.91

1:09.70

100 Fly

1:09.70

IM 100 Y

1:14.67

12/12/2025

AAA: 1:13.09 (+1.58s | 2.1%)

50 IM

35.09

100 IM

39.58

1:14.67

100 IM

1:14.67

IM 200 Y

2:45.92

11/21/2025

AA: 2:45.89 (+0.03s | 0.0%)

50 Fly

36.86

100 Back

41.95

1:18.81

100 IM

1:18.81

150 Breast

50.01

2:08.82

200 Free

37.10

2:45.92

100 IM

1:27.11

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Mission Viejo Nadadores

Free 50 M

34.61

07/23/2025

AA: 34.39 (+0.22s | 0.6%)

Free 200 M

2:52.23

07/25/2024

AA: 2:46.09 (+6.14s | 3.6%)

50 Free

40.75

100 Free

43.96

1:24.71

100 Free

1:24.71

150 Free

43.26

2:07.97

200 Free

44.26

2:52.23

100 Free

1:27.52

Back 50 M

38.91

06/12/2025

AAA

AAAA: 36.99 (+1.92s | 4.9%)

Back 100 M

1:24.43

07/23/2025

AAA: 1:24.09 (+0.34s | 0.4%)

50 Back

42.38

100 Back

42.05

1:24.43

100 Back

1:24.43

Fly 50 M

37.38

07/23/2025

AAA: 36.59 (+0.79s | 2.1%)

Fly 100 M

1:22.27

06/12/2025

AAA

AAAA: 1:19.59 (+2.68s | 3.3%)

50 Fly

38.75

100 Fly

43.52

1:22.27

100 Fly

1:22.27

IM 200 M

3:01.59

06/12/2025

AAA: 3:00.79 (+0.80s | 0.4%)

50 Fly

40.85

150 Breast

1:41.89

2:22.74

200 Free

38.85

3:01.59

100 IM

2:20.74

Above are the fastest times that Isaac Dai has achieved in his swimming career. For each event, you can find Isaac's best time, the corresponding time standard, as well as how much faster Isaac needs to be to reach the next level. The last columns provide Isaac rankings at the team and LSC levels. These rankings are based on the Isaac'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.

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	30.19	22.19 (+8.00s \| 26.5%)	21.29 (+8.90s \| 29.5%)	21.29 (+8.90s \| 29.5%)	20.59 (+9.60s \| 31.8%)	20.09 (+10.10s \| 33.5%)	20.39 (+9.80s \| 32.5%)	30.49
Free 100 Y	1:03.68	48.19 (+15.49s \| 24.3%)	46.39 (+17.29s \| 27.2%)	46.39 (+17.29s \| 27.2%)	45.09 (+18.59s \| 29.2%)	43.49 (+20.19s \| 31.7%)	44.39 (+19.29s \| 30.3%)	1:07.19
Free 200 Y	2:21.36	1:45.79 (+35.57s \| 25.2%)	1:41.59 (+39.77s \| 28.1%)	1:41.59 (+39.77s \| 28.1%)	1:38.79 (+42.57s \| 30.1%)	1:36.49 (+44.87s \| 31.7%)	1:38.09 (+43.27s \| 30.6%)	2:24.99
Free 500 Y	6:13.19	4:47.79 (+85.40s \| 22.9%)	4:37.09 (+96.10s \| 25.8%)	4:37.09 (+96.10s \| 25.8%)	4:29.49 (+103.70s \| 27.8%)	4:22.09 (+111.10s \| 29.8%)	4:27.69 (+105.50s \| 28.3%)	6:25.49
Back 50 Y	34.55	N/A	N/A	N/A	N/A	N/A	N/A	36.29
Back 100 Y	1:13.90	53.89 (+20.01s \| 27.1%)	51.49 (+22.41s \| 30.3%)	51.49 (+22.41s \| 30.3%)	49.39 (+24.51s \| 33.2%)	47.59 (+26.31s \| 35.6%)	48.89 (+25.01s \| 33.8%)	1:16.59
Breast 100 Y	1:32.34	1:00.89 (+31.45s \| 34.1%)	57.99 (+34.35s \| 37.2%)	57.99 (+34.35s \| 37.2%)	55.89 (+36.45s \| 39.5%)	54.19 (+38.15s \| 41.3%)	55.29 (+37.05s \| 40.1%)	1:26.29 (+6.05s \| 6.6%)
Fly 50 Y	32.39	N/A	N/A	N/A	N/A	N/A	N/A	34.69
Fly 100 Y	1:09.70	52.89 (+16.81s \| 24.1%)	50.59 (+19.11s \| 27.4%)	50.59 (+19.11s \| 27.4%)	48.99 (+20.71s \| 29.7%)	47.79 (+21.91s \| 31.4%)	48.39 (+21.31s \| 30.6%)	1:19.89
IM 100 Y	1:14.67	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99
IM 200 Y	2:45.92	1:58.19 (+47.73s \| 28.8%)	1:53.89 (+52.03s \| 31.4%)	1:53.89 (+52.03s \| 31.4%)	1:50.09 (+55.83s \| 33.6%)	1:46.39 (+59.53s \| 35.9%)	1:48.89 (+57.03s \| 34.4%)	2:46.19

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	34.61	25.89 (+8.72s \| 25.2%)	24.59 (+10.02s \| 29.0%)	24.59 (+10.02s \| 29.0%)	24.29 (+10.32s \| 29.8%)	23.39 (+11.22s \| 32.4%)	23.79 (+10.82s \| 31.3%)	34.59 (+0.02s \| 0.1%)
Free 200 M	2:52.23	2:03.09 (+49.14s \| 28.5%)	1:57.79 (+54.44s \| 31.6%)	1:57.79 (+54.44s \| 31.6%)	1:55.49 (+56.74s \| 32.9%)	1:52.19 (+60.04s \| 34.9%)	1:54.09 (+58.14s \| 33.8%)	2:44.69 (+7.54s \| 4.4%)
Back 50 M	38.91	N/A	N/A	N/A	N/A	N/A	N/A	41.59
Back 100 M	1:24.43	1:03.29 (+21.14s \| 25.0%)	1:00.59 (+23.84s \| 28.2%)	1:00.59 (+23.84s \| 28.2%)	58.89 (+25.54s \| 30.2%)	57.29 (+27.14s \| 32.1%)	58.19 (+26.24s \| 31.1%)	1:27.69
Fly 50 M	37.38	N/A	N/A	N/A	N/A	N/A	N/A	39.19
Fly 100 M	1:22.27	1:00.89 (+21.38s \| 26.0%)	57.99 (+24.28s \| 29.5%)	57.99 (+24.28s \| 29.5%)	57.09 (+25.18s \| 30.6%)	55.09 (+27.18s \| 33.0%)	55.99 (+26.28s \| 31.9%)	1:30.59
IM 200 M	3:01.59	2:18.39 (+43.20s \| 23.8%)	2:12.79 (+48.80s \| 26.9%)	2:12.79 (+48.80s \| 26.9%)	2:09.59 (+52.00s \| 28.6%)	2:05.79 (+55.80s \| 30.7%)	2:08.19 (+53.40s \| 29.4%)	3:08.29

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 SCS Swim Festival

01/24/2026

Mission Viejo

100 Y Back

1:15.09

+1.19s

AAA: 1:12.49 (+2.60s | 3.5%)

50 Back

36.65

100 Back

38.44

1:15.09

100 Back

1:15.09

100 Y IM

1:15.03

+0.36s

AAA: 1:13.09 (+1.94s | 2.6%)

50 IM

34.51

100 IM

40.52

1:15.03

100 IM

1:15.03

100 Y Breast

1:32.34

A: 1:30.59 (+1.75s | 1.9%)

50 Breast

43.54

100 Breast

48.80

1:32.34

100 Breast

1:32.34

50 Y Back

34.86

+0.31s

AAA: 33.99 (+0.87s | 2.5%)

100 Y Fly

1:09.70

-4.83s (New PB)

AAAA

50 Fly

32.79

100 Fly

36.91

1:09.70

100 Fly

1:09.70

2025 CA SCS RAA WAG

12/12/2025

Yuciapa

100 Y Free

1:03.68

-1.89s (New PB)

AAA

AAAA: 1:00.69 (+2.99s | 4.7%)

50 Free

31.23

100 Free

32.45

1:03.68

100 Free

1:03.68

100 Y Back

1:13.90

-3.20s (New PB)

AAA: 1:12.49 (+1.41s | 1.9%)

50 Back

35.36

100 Back

38.54

1:13.90

100 Back

1:13.90

50 Y Back

34.55

-0.76s (New PB)

AAA: 33.99 (+0.56s | 1.6%)

100 Y IM

1:14.67

-1.91s (New PB)

AAA: 1:13.09 (+1.58s | 2.1%)

50 IM

35.09

100 IM

39.58

1:14.67

100 IM

1:14.67

50 Y Fly

32.39

-0.53s (New PB)

AAA

AAAA: 30.79 (+1.60s | 4.9%)

2025 CA MVN Turkey Classic

11/21/2025

Mission Viejo

50 Y Back

35.31

-0.80s (New PB)

AAA: 33.99 (+1.32s | 3.7%)

100 Y Fly

1:18.90

+4.37s

AAA: 1:14.59 (+4.31s | 5.5%)

50 Fly

37.60

100 Fly

41.30

1:18.90

100 Fly

1:18.90

200 Y IM

2:45.92

AA: 2:45.89 (+0.03s | 0.0%)

50 Fly

36.86

100 Back

41.95

1:18.81

100 IM

1:18.81

150 Breast

50.01

2:08.82

200 Free

37.10

2:45.92

100 IM

1:27.11

50 Y Fly

32.98

+0.06s

AAA: 32.59 (+0.39s | 1.2%)

200 Y Free

2:21.36

-14.09s (New PB)

AAA: 2:18.99 (+2.37s | 1.7%)

50 Free

32.42

100 Free

36.19

1:08.61

100 Free

1:08.61

150 Free

37.05

1:45.66

200 Free

35.70

2:21.36

100 Free

1:12.75

100 Y Back

1:17.78

+0.68s

AA: 1:16.09 (+1.69s | 2.2%)

50 Back

37.89

100 Back

39.89

1:17.78

100 Back

1:17.78

500 Y Free

6:13.19

AAA: 6:09.79 (+3.40s | 0.9%)

50 Free

32.35

100 Free

38.32

1:10.67

100 Free

1:10.67

150 Free

38.73

1:49.40

200 Free

37.52

2:26.92

100 Free

1:16.25

250 Free

38.40

3:05.32

300 Free

37.84

3:43.16

100 Free

1:16.24

350 Free

39.44

4:22.60

400 Free

37.24

4:59.84

100 Free

1:16.68

450 Free

37.24

5:37.08

500 Free

36.11

6:13.19

100 Free

1:13.35

100 Y Free

1:05.57

-0.53s (New PB)

AAA: 1:03.79 (+1.78s | 2.7%)

50 Free

31.93

100 Free

33.64

1:05.57

100 Free

1:05.57

2025 CA SCS Summer A G Champs

07/23/2025

Walnut

100 M Back

1:24.43

-2.87s (New PB)

AAA: 1:24.09 (+0.34s | 0.4%)

50 Back

42.38

100 Back

42.05

1:24.43

100 Back

1:24.43

50 M Back

39.44

+0.53s

AAA: 38.99 (+0.45s | 1.1%)

50 M Free

34.61

-0.25s (New PB)

AA: 34.39 (+0.22s | 0.6%)

50 M Fly

37.38

-0.02s (New PB)

AAA: 36.59 (+0.79s | 2.1%)

200 M IM

3:02.64

+1.05s

AAA: 3:00.79 (+1.85s | 1.0%)

100 M Fly

1:26.37

+4.10s

AAA: 1:25.09 (+1.28s | 1.5%)

2025 SCS June AG Invite @ La Mirada Armada

06/12/2025

La Mirada

100 M Fly

1:22.27

-4.12s (New PB)

AAA

AAAA: 1:19.59 (+2.68s | 3.3%)

50 Fly

38.75

100 Fly

43.52

1:22.27

100 Fly

1:22.27

100 M Back

1:27.30

-5.15s (New PB)

AAA: 1:24.09 (+3.21s | 3.7%)

50 M Back

38.91

AAA

AAAA: 36.99 (+1.92s | 4.9%)

50 M Free

34.86

AA: 34.39 (+0.47s | 1.3%)

200 M IM

3:01.59

-12.03s (New PB)

AAA: 3:00.79 (+0.80s | 0.4%)

50 Fly

40.85

150 Breast

1:41.89

2:22.74

200 Free

38.85

3:01.59

100 IM

2:20.74

50 M Fly

37.40

-1.37s (New PB)

AAA: 36.59 (+0.81s | 2.2%)

Pacific Swimming SC Far Western Champs

04/03/2025

Pleasanton

100 Y Back

1:17.10

-1.12s (New PB)

AA: 1:16.09 (+1.01s | 1.3%)

50 Back

38.04

100 Back

39.06

1:17.10

100 Back

1:17.10

100 Y Fly

1:14.69

+0.16s

AAA: 1:14.59 (+0.10s | 0.1%)

50 Fly

35.28

100 Fly

39.41

1:14.69

100 Fly

1:14.69

100 Y IM

1:17.40

+0.82s

AA: 1:16.39 (+1.01s | 1.3%)

50 IM

36.25

100 IM

41.15

1:17.40

100 IM

1:17.40

50 Y Free

30.83

+0.64s

AA: 29.89 (+0.94s | 3.0%)

100 Y Free

1:06.10

-0.20s (New PB)

AAA: 1:03.79 (+2.31s | 3.5%)

50 Free

31.54

100 Free

34.56

1:06.10

100 Free

1:06.10

50 Y Back

36.11

-0.07s (New PB)

AA: 35.79 (+0.32s | 0.9%)

50 Y Fly

33.04

+0.12s

AAA: 32.59 (+0.45s | 1.4%)

2025 SCS Spring Age Group Champs @ Armada

03/13/2025

La Mirada

100 Y Fly

1:14.53

-3.47s (New PB)

AAA

AAAA: 1:09.79 (+4.74s | 6.4%)

50 Fly

35.03

100 Fly

39.50

1:14.53

100 Fly

1:14.53

100 Y Free

1:06.30

-4.87s (New PB)

AAA: 1:03.79 (+2.51s | 3.8%)

50 Free

31.74

100 Free

34.56

1:06.30

100 Free

1:06.30

100 Y IM

1:16.58

-5.89s (New PB)

AA: 1:16.39 (+0.19s | 0.2%)

50 IM

36.77

100 IM

39.81

1:16.58

100 IM

1:16.58

50 Y Back

36.18

AA: 35.79 (+0.39s | 1.1%)

50 Y Fly

32.92

-2.07s (New PB)

AAA: 32.59 (+0.33s | 1.0%)

50 Y Free

30.19

AA: 29.89 (+0.30s | 1.0%)

100 Y Back

1:18.22

-1.44s (New PB)

AA: 1:16.09 (+2.13s | 2.7%)

50 Back

37.77

100 Back

40.45

1:18.22

100 Back

1:18.22

2024 CA RAA SCS WAG

12/13/2024

Riverside

100 Y Free

1:11.17

-6.92s (New PB)

A: 1:09.79 (+1.38s | 1.9%)

50 Free

34.14

100 Free

37.03

1:11.17

100 Free

1:11.17

100 Y Fly

1:18.00

-4.95s (New PB)

AAA: 1:14.59 (+3.41s | 4.4%)

50 Fly

36.85

100 Fly

41.15

1:18.00

100 Fly

1:18.00

100 Y Back

1:19.66

A: 1:19.59 (+0.07s | 0.1%)

50 Back

39.66

100 Back

40.00

1:19.66

100 Back

1:19.66

200 Y Free

2:35.45

A: 2:31.59 (+3.86s | 2.5%)

50 Free

35.79

100 Free

39.57

1:15.36

100 Free

1:15.36

150 Free

40.84

1:56.20

200 Free

39.25

2:35.45

100 Free

1:20.09

50 Y Fly

34.99

-3.21s (New PB)

AA: 34.29 (+0.70s | 2.0%)

100 Y IM

1:22.47

A: 1:19.69 (+2.78s | 3.4%)

50 IM

39.30

100 IM

43.17

1:22.47

100 IM

1:22.47

2024 CA SCS GWSC Summer A G Champs

07/25/2024

Mission Viejo/Huntin

200 M Free

2:52.23

AA: 2:46.09 (+6.14s | 3.6%)

50 Free

40.75

100 Free

43.96

1:24.71

100 Free

1:24.71

150 Free

43.26

2:07.97

200 Free

44.26

2:52.23

100 Free

1:27.52

200 M IM

3:14.92

+1.30s

AA: 3:09.39 (+5.53s | 2.8%)

50 Fly

43.58

100 Back

49.90

1:33.48

100 IM

1:33.48

150 Breast

59.52

2:33.00

200 Free

41.92

3:14.92

100 IM

1:41.44

100 M Back

1:32.45

-0.09s (New PB)

A: 1:32.29 (+0.16s | 0.2%)

50 M Fly

38.77

-0.23s (New PB)

AA: 38.59 (+0.18s | 0.5%)

100 M Fly

1:28.50

+2.11s

AAA: 1:25.09 (+3.41s | 3.9%)

2024 SCS MVN 14 Under Elite A G Champs

07/18/2024

Mission Viejo

200 M IM

3:20.81

+7.19s

A: 3:17.89 (+2.92s | 1.5%)

50 Fly

43.74

100 Back

52.31

1:36.05

100 IM

1:36.05

150 Breast

1:01.75

2:37.80

200 Free

43.01

3:20.81

100 IM

1:44.76

100 M Fly

1:26.39

-3.56s (New PB)

AAA: 1:25.09 (+1.30s | 1.5%)

50 Fly

40.73

100 Fly

45.66

1:26.39

100 Fly

1:26.39

100 M Back

1:32.95

+0.41s

A: 1:32.29 (+0.66s | 0.7%)

50 Back

45.22

100 Back

47.73

1:32.95

100 Back

1:32.95

50 M Fly

40.29

+1.29s

AA: 38.59 (+1.70s | 4.2%)

2024 CA SCS RMDA June Age Group Invite

06/13/2024

La Mirada

100 M Fly

1:29.95

AAA: 1:25.09 (+4.86s | 5.4%)

50 Fly

43.02

100 Fly

46.93

1:29.95

100 Fly

1:29.95

200 M IM

3:13.62

AA: 3:09.39 (+4.23s | 2.2%)

50 Fly

41.83

100 Back

50.89

1:32.72

100 IM

1:32.72

150 Breast

1:00.01

2:32.74

200 Free

40.88

3:13.62

100 IM

1:40.89

50 M Fly

39.00

AA: 38.59 (+0.41s | 1.1%)

100 M Back

1:32.54

A: 1:32.29 (+0.25s | 0.3%)

50 Back

44.71

100 Back

47.83

1:32.54

100 Back

1:32.54

2024 SCS Spring Age Group Champshipson

03/14/2024

Pasadena

100 Y Fly

1:22.95

-2.40s (New PB)

AA: 1:19.49 (+3.46s | 4.2%)

50 Fly

41.08

100 Fly

41.87

1:22.95

100 Fly

1:22.95

2023 CA GWSC SCS WAG

12/09/2023

Huntington Beach

100 Y Free

1:18.09

A: 1:09.79 (+8.30s | 10.6%)

50 Free

38.79

100 Free

39.30

1:18.09

100 Free

1:18.09

100 Y Fly

1:25.35

A: 1:24.39 (+0.96s | 1.1%)

50 Fly

42.11

100 Fly

43.24

1:25.35

100 Fly

1:25.35

50 Y Fly

38.20

A: 35.99 (+2.21s | 5.8%)

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.