Jihoon Sung

Age: 18 years old
Age Category: 17-18
Team: Iolani Swim Club | Hawaiian Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Iolani Swim Club

Hawaiian Swimming

Western Zone

USA

Free 50 Y

21.14

18

11/21/2025

AAA

AAAA: 20.69 (+0.45s | 2.1%)

1

2

119

362

Free 100 Y

46.19

Analysis

18

11/21/2025

AAA

AAAA: 45.29 (+0.90s | 1.9%)

2

3

116

369

50 Free

22.19

100 Free

24.00

46.19

100 Free

46.19

Free 200 Y

1:42.35

Analysis

18

11/21/2025

AAA

AAAA: 1:40.19 (+2.16s | 2.1%)

2

179

532

50 Free

23.71

100 Free

25.53

49.24

100 Free

49.24

150 Free

26.47

1:15.71

200 Free

26.64

1:42.35

100 Free

53.11

Breast 50 Y

27.36

18

11/07/2025

3

9

117

308

Breast 100 Y

1:00.29

Analysis

18

11/21/2025

AA

AAA: 58.69 (+1.60s | 2.7%)

3

10

338

939

50 Breast

28.12

100 Breast

32.17

1:00.29

100 Breast

1:00.29

Breast 200 Y

2:14.21

Analysis

18

11/21/2025

A

AA: 2:13.29 (+0.92s | 0.7%)

2

10

342

883

50 Breast

29.95

100 Breast

34.86

1:04.81

100 Breast

1:04.81

150 Breast

34.70

1:39.51

200 Breast

34.70

2:14.21

100 Breast

1:09.40

IM 200 Y

1:58.98

Analysis

18

11/21/2025

AA

AAA: 1:55.89 (+3.09s | 2.6%)

1

8

398

1,000+

50 Fly

25.53

100 Back

31.65

57.18

100 IM

57.18

150 Breast

34.33

1:31.51

200 Free

27.47

1:58.98

100 IM

1:01.80

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Iolani Swim Club

Hawaiian Swimming

Western Zone

USA

Free 50 M

24.72

18

07/17/2025

AAA

AAAA: 23.99 (+0.73s | 3.0%)

3

129

316

Free 100 M

53.74

Analysis

18

07/17/2025

AAA

AAAA: 52.39 (+1.35s | 2.5%)

3

121

284

50 Free

25.62

100 Free

28.12

53.74

100 Free

53.74

Free 200 M

2:01.62

Analysis

18

07/17/2025

AA

AAA: 2:00.09 (+1.53s | 1.3%)

2

255

580

Back 100 M

1:01.80

Analysis

18

07/17/2025

AA

AAA: 1:00.89 (+0.91s | 1.5%)

1

142

324

Above are the fastest times that Jihoon Sung has achieved in his swimming career. For each event, you can find Jihoon's best time, the corresponding time standard, as well as how much faster Jihoon needs to be to reach the next level. The last columns provide Jihoon rankings at the team and LSC levels. These rankings are based on the Jihoon'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
Free 50 Y	21.14	22.19	21.29	21.29 20.89 (+0.25s \| 1.2%)	20.59 (+0.55s \| 2.6%)	20.09 (+1.05s \| 5.0%)	20.39 (+0.75s \| 3.5%)
Free 100 Y	46.19	48.19	46.39	46.39 45.59 (+0.60s \| 1.3%)	45.09 (+1.10s \| 2.4%)	43.49 (+2.70s \| 5.8%)	44.39 (+1.80s \| 3.9%)
Free 200 Y	1:42.35	1:45.79	1:41.59 (+0.76s \| 0.7%)	1:41.59 (+0.76s \| 0.7%)	1:38.79 (+3.56s \| 3.5%)	1:36.49 (+5.86s \| 5.7%)	1:38.09 (+4.26s \| 4.2%)
Breast 50 Y	27.36	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:00.29	1:00.89	57.99 (+2.30s \| 3.8%)	57.99 (+2.30s \| 3.8%)	55.89 (+4.40s \| 7.3%)	54.19 (+6.10s \| 10.1%)	55.29 (+5.00s \| 8.3%)
Breast 200 Y	2:14.21	2:13.29 (+0.92s \| 0.7%)	2:07.99 (+6.22s \| 4.6%)	2:07.99 (+6.22s \| 4.6%)	2:02.29 (+11.92s \| 8.9%)	1:58.79 (+15.42s \| 11.5%)	2:00.99 (+13.22s \| 9.9%)
IM 200 Y	1:58.98	1:58.19 (+0.79s \| 0.7%)	1:53.89 (+5.09s \| 4.3%)	1:53.89 (+5.09s \| 4.3%)	1:50.09 (+8.89s \| 7.5%)	1:46.39 (+12.59s \| 10.6%)	1:48.89 (+10.09s \| 8.5%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	24.72	25.89	24.59 (+0.13s \| 0.5%)	24.59 (+0.13s \| 0.5%)	24.29 (+0.43s \| 1.7%)	23.39 (+1.33s \| 5.4%)	23.79 (+0.93s \| 3.8%)
Free 100 M	53.74	56.09	53.59 (+0.15s \| 0.3%)	53.59 (+0.15s \| 0.3%)	52.59 (+1.15s \| 2.1%)	50.99 (+2.75s \| 5.1%)	51.99 (+1.75s \| 3.3%)
Free 200 M	2:01.62	2:03.09	1:57.79 (+3.83s \| 3.1%)	1:57.79 (+3.83s \| 3.1%)	1:55.49 (+6.13s \| 5.0%)	1:52.19 (+9.43s \| 7.8%)	1:54.09 (+7.53s \| 6.2%)
Back 100 M	1:01.80	1:03.29	1:00.59 (+1.21s \| 2.0%)	1:00.59 (+1.21s \| 2.0%)	58.89 (+2.91s \| 4.7%)	57.29 (+4.51s \| 7.3%)	58.19 (+3.61s \| 5.8%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

HISI Senior Fall Championship (SCY)

11/21/2025

Honolulu

200 Y IM

1:58.98

AA

AAA: 1:55.89 (+3.09s | 2.6%)

18

4

1

8

50 Fly

25.53

100 Back

31.65

57.18

100 IM

57.18

150 Breast

34.33

1:31.51

200 Free

27.47

1:58.98

100 IM

1:01.80

50 Y Free

21.14

-0.11s (New PB)

AAA

AAAA: 20.69 (+0.45s | 2.1%)

18

4

5

2

200 Y Free

1:42.35

AAA

AAAA: 1:40.19 (+2.16s | 2.1%)

18

4

7

5

50 Free

23.71

100 Free

25.53

49.24

100 Free

49.24

150 Free

26.47

1:15.71

200 Free

26.64

1:42.35

100 Free

53.11

100 Y Breast

1:00.29

AA

AAA: 58.69 (+1.60s | 2.7%)

18

3

1

6

50 Breast

28.12

100 Breast

32.17

1:00.29

100 Breast

1:00.29

200 Y Breast

2:14.21

A

AA: 2:13.29 (+0.92s | 0.7%)

18

3

2

3

50 Breast

29.95

100 Breast

34.86

1:04.81

100 Breast

1:04.81

150 Breast

34.70

1:39.51

200 Breast

34.70

2:14.21

100 Breast

1:09.40

100 Y Free

46.19

AAA

AAAA: 45.29 (+0.90s | 1.9%)

18

4

3

50 Free

22.19

100 Free

24.00

46.19

100 Free

46.19

50 Y Breast

27.53

+0.17s

18

3

5

1

UH Knockout 50s Senior Meet

11/07/2025

Honolulu

50 Y Breast

27.65

+0.29s

18

50 Y Breast

27.36

18

3

4

50 Y Free

21.25

-0.02s (New PB)

AAA

AAAA: 20.69 (+0.56s | 2.6%)

18

8

2

4

50 Y Free

21.27

AAA

AAAA: 20.69 (+0.58s | 2.7%)

18

1

3

2

2025 Speedo Sectionals Mt Hood WZ

07/17/2025

Gresham

100 M Back

1:01.80

AA

AAA: 1:00.89 (+0.91s | 1.5%)

17

50 M Free

24.72

-1.54s (New PB)

AAA

AAAA: 23.99 (+0.73s | 3.0%)

17

1

8

100 M Free

53.74

-5.08s (New PB)

AAA

AAAA: 52.39 (+1.35s | 2.5%)

17

1

8

2

50 Free

25.62

100 Free

28.12

53.74

100 Free

53.74

200 M Free

2:01.62

AA

AAA: 2:00.09 (+1.53s | 1.3%)

17

Finals Western Zone Senior Champs

07/26/2022

Fresno

100 M Free

58.82

AAA

AAAA: 56.39 (+2.43s | 4.1%)

14

50 Free

27.92

100 Free

30.90

58.82

100 Free

58.82

50 M Free

26.26

+0.00s

AAA

AAAA: 25.69 (+0.57s | 2.2%)

14

50 M Free

26.26

AAA

AAAA: 25.69 (+0.57s | 2.2%)

14