Josephina Do

Age: 16 years old
Age Category: 15-16
Team: Riptide Swim Team | Minnesota Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Riptide Swim Team

Minnesota Swimming

Central Zone

USA

Free 50 Y

30.60

16

03/07/2025

B

BB: 29.49 (+1.11s | 3.6%)

43

510

1,000+

Free 100 Y

1:09.24

Analysis

16

03/07/2025

B: 1:08.79 (+0.45s | 0.6%)

45

547

1,000+

50 Free

31.78

100 Free

37.46

1:09.24

100 Free

1:09.24

Back 100 Y

1:15.54

Analysis

16

03/07/2025

B: 1:14.69 (+0.85s | 1.1%)

39

376

1,000+

50 Back

35.99

100 Back

39.55

1:15.54

100 Back

1:15.54

Breast 100 Y

1:28.77

Analysis

16

03/07/2025

B: 1:25.89 (+2.88s | 3.2%)

32

357

893

1,000+

50 Breast

40.67

100 Breast

48.10

1:28.77

100 Breast

1:28.77

Fly 100 Y

1:20.12

Analysis

16

03/07/2025

B: 1:14.39 (+5.73s | 7.2%)

33

349

921

1,000+

50 Fly

34.40

100 Fly

45.72

1:20.12

100 Fly

1:20.12

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Riptide Swim Team

Minnesota Swimming

Central Zone

USA

Free 50 M

34.44

16

05/14/2022

B

BB: 33.49 (+0.95s | 2.8%)

38

322

727

1,000+

Free 100 M

1:19.06

Analysis

16

05/14/2022

B: 1:18.39 (+0.67s | 0.8%)

39

362

772

1,000+

50 Free

36.29

100 Free

42.77

1:19.06

100 Free

1:19.06

Back 50 M

40.61

16

05/14/2022

18

167

376

1,000+

Back 100 M

1:27.97

Analysis

16

07/18/2025

B: 1:26.89 (+1.08s | 1.2%)

36

264

528

1,000+

50 Back

41.10

100 Back

46.87

1:27.97

100 Back

1:27.97

Breast 50 M

50.26

16

05/14/2022

19

163

348

1,000+

Breast 100 M

1:39.56

Analysis

16

07/18/2025

B: 1:38.59 (+0.97s | 1.0%)

28

206

400

1,000+

50 Breast

46.55

100 Breast

53.01

1:39.56

100 Breast

1:39.56

Fly 50 M

41.35

16

05/14/2022

19

207

421

1,000+

Above are the fastest times that Josephina Do has achieved in her swimming career. For each event, you can find Josephina's best time, the corresponding time standard, as well as how much faster Josephina needs to be to reach the next level. The last columns provide Josephina rankings at the team and LSC levels. These rankings are based on the Josephina'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	30.60	24.89 (+5.71s \| 18.7%)	23.89 (+6.71s \| 21.9%)	23.89 (+6.71s \| 21.9%)	23.29 (+7.31s \| 23.9%)	22.59 (+8.01s \| 26.2%)	22.79 (+7.81s \| 25.5%)
Free 100 Y	1:09.24	53.99 (+15.25s \| 22.0%)	51.89 (+17.35s \| 25.1%)	51.89 (+17.35s \| 25.1%)	50.39 (+18.85s \| 27.2%)	49.29 (+19.95s \| 28.8%)	49.69 (+19.55s \| 28.2%)
Back 100 Y	1:15.54	59.49 (+16.05s \| 21.2%)	57.09 (+18.45s \| 24.4%)	57.09 (+18.45s \| 24.4%)	55.09 (+20.45s \| 27.1%)	53.89 (+21.65s \| 28.7%)	54.49 (+21.05s \| 27.9%)
Breast 100 Y	1:28.77	1:07.59 (+21.18s \| 23.9%)	1:05.49 (+23.28s \| 26.2%)	1:05.49 (+23.28s \| 26.2%)	1:03.09 (+25.68s \| 28.9%)	1:01.79 (+26.98s \| 30.4%)	1:02.79 (+25.98s \| 29.3%)
Fly 100 Y	1:20.12	59.19 (+20.93s \| 26.1%)	56.59 (+23.53s \| 29.4%)	56.59 (+23.53s \| 29.4%)	54.69 (+25.43s \| 31.7%)	53.49 (+26.63s \| 33.2%)	53.99 (+26.13s \| 32.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	34.44	28.69 (+5.75s \| 16.7%)	27.39 (+7.05s \| 20.5%)	27.39 (+7.05s \| 20.5%)	26.89 (+7.55s \| 21.9%)	26.29 (+8.15s \| 23.7%)	26.59 (+7.85s \| 22.8%)
Free 100 M	1:19.06	1:01.89 (+17.17s \| 21.7%)	59.29 (+19.77s \| 25.0%)	59.29 (+19.77s \| 25.0%)	58.19 (+20.87s \| 26.4%)	56.99 (+22.07s \| 27.9%)	57.59 (+21.47s \| 27.2%)
Back 50 M	40.61	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 M	1:27.97	1:09.49 (+18.48s \| 21.0%)	1:06.79 (+21.18s \| 24.1%)	1:06.79 (+21.18s \| 24.1%)	1:04.79 (+23.18s \| 26.3%)	1:03.69 (+24.28s \| 27.6%)	1:04.39 (+23.58s \| 26.8%)
Breast 50 M	50.26	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 M	1:39.56	1:18.79 (+20.77s \| 20.9%)	1:15.99 (+23.57s \| 23.7%)	1:15.99 (+23.57s \| 23.7%)	1:13.79 (+25.77s \| 25.9%)	1:12.19 (+27.37s \| 27.5%)	1:13.29 (+26.27s \| 26.4%)
Fly 50 M	41.35	N/A	N/A	N/A	N/A	N/A	N/A

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 MN STRM Minnesota Regional Championship

07/18/2025

Minneapolis

100 M Free

1:22.03

+2.97s

B: 1:18.39 (+3.64s | 4.4%)

15

2

6

50 Free

36.86

100 Free

45.17

1:22.03

100 Free

1:22.03

100 M Breast

1:39.56

-9.81s (New PB)

B: 1:38.59 (+0.97s | 1.0%)

15

2

5

7

50 Breast

46.55

100 Breast

53.01

1:39.56

100 Breast

1:39.56

50 M Free

34.88

+0.44s

B

BB: 33.49 (+1.39s | 4.0%)

15

2

5

100 M Back

1:27.97

-4.71s (New PB)

B: 1:26.89 (+1.08s | 1.2%)

15

4

2

3

50 Back

41.10

100 Back

46.87

1:27.97

100 Back

1:27.97

2025 MN STRM Minnesota Regional Championship

03/07/2025

Lakeville

100 Y Breast

1:28.77

B: 1:25.89 (+2.88s | 3.2%)

15

2

3

50 Breast

40.67

100 Breast

48.10

1:28.77

100 Breast

1:28.77

100 Y Fly

1:20.12

B: 1:14.39 (+5.73s | 7.2%)

15

1

2

3

50 Fly

34.40

100 Fly

45.72

1:20.12

100 Fly

1:20.12

100 Y IM

1:15.48

15

2

3

1

50 IM

33.61

100 IM

41.87

1:15.48

100 IM

1:15.48

100 Y Back

1:15.54

B: 1:14.69 (+0.85s | 1.1%)

15

2

3

5

50 Back

35.99

100 Back

39.55

1:15.54

100 Back

1:15.54

100 Y Free

1:09.24

B: 1:08.79 (+0.45s | 0.6%)

15

1

4

9

50 Free

31.78

100 Free

37.46

1:09.24

100 Free

1:09.24

50 Y Free

30.60

B

BB: 29.49 (+1.11s | 3.6%)

15

3

7

2022 Ready For Long Course

05/14/2022

Sioux Falls

100 M Back

1:32.68

BB

A: 1:24.79 (+7.89s | 8.5%)

12

3

4

50 Back

42.34

100 Back

50.34

1:32.68

100 Back

1:32.68

100 M Free

1:19.06

BB

A: 1:13.39 (+5.67s | 7.2%)

12

3

7

9

50 Free

36.29

100 Free

42.77

1:19.06

100 Free

1:19.06

50 M Back

40.61

BB

A: 38.39 (+2.22s | 5.5%)

12

3

4

3

50 M Breast

50.26

B: 49.79 (+0.47s | 0.9%)

12

3

7

100 M Breast

1:49.37

B

BB: 1:42.19 (+7.18s | 6.6%)

12

3

4

7

50 Breast

49.57

100 Breast

59.80

1:49.37

100 Breast

1:49.37

50 M Fly

41.35

B

BB: 38.79 (+2.56s | 6.2%)

12

3

4

6

50 M Free

34.44

BB

A: 33.19 (+1.25s | 3.6%)

12

3

7

4

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	30.60	24.89 (+5.71s \| 18.7%)	23.89 (+6.71s \| 21.9%)	23.89 (+6.71s \| 21.9%)	23.29 (+7.31s \| 23.9%)	22.59 (+8.01s \| 26.2%)	22.79 (+7.81s \| 25.5%)
Free 100 Y	1:09.24	53.99 (+15.25s \| 22.0%)	51.89 (+17.35s \| 25.1%)	51.89 (+17.35s \| 25.1%)	50.39 (+18.85s \| 27.2%)	49.29 (+19.95s \| 28.8%)	49.69 (+19.55s \| 28.2%)
Back 100 Y	1:15.54	59.49 (+16.05s \| 21.2%)	57.09 (+18.45s \| 24.4%)	57.09 (+18.45s \| 24.4%)	55.09 (+20.45s \| 27.1%)	53.89 (+21.65s \| 28.7%)	54.49 (+21.05s \| 27.9%)
Breast 100 Y	1:28.77	1:07.59 (+21.18s \| 23.9%)	1:05.49 (+23.28s \| 26.2%)	1:05.49 (+23.28s \| 26.2%)	1:03.09 (+25.68s \| 28.9%)	1:01.79 (+26.98s \| 30.4%)	1:02.79 (+25.98s \| 29.3%)
Fly 100 Y	1:20.12	59.19 (+20.93s \| 26.1%)	56.59 (+23.53s \| 29.4%)	56.59 (+23.53s \| 29.4%)	54.69 (+25.43s \| 31.7%)	53.49 (+26.63s \| 33.2%)	53.99 (+26.13s \| 32.6%)