Jaeseok Jung

Age: 12 years old
Age Category: 11-12
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Swimming

Palo Alto Stanford Aquatics

Free 50 Y

42.97

07/20/2025

B: 32.79 (+10.18s | 23.7%)

1,000+

Free 100 Y

1:57.95

02/22/2025

B: 1:11.49 (+46.46s | 39.4%)

1,000+

Free 200 Y

3:40.84

03/22/2025

B: 2:35.99 (+64.85s | 29.4%)

661

50 Free

46.88

100 Free

57.55

1:44.43

100 Free

1:44.43

150 Free

59.43

2:43.86

200 Free

56.98

3:40.84

100 Free

1:56.41

Back 50 Y

57.69

07/21/2024

B: 38.49 (+19.20s | 33.3%)

1,000+

Breast 50 Y

51.48

07/20/2025

B: 43.49 (+7.99s | 15.5%)

769

Breast 100 Y

2:09.44

02/22/2025

B: 1:32.59 (+36.85s | 28.5%)

879

IM 100 Y

1:47.78

07/20/2025

B: 1:21.89 (+25.89s | 24.0%)

873

50 IM

53.24

100 IM

54.54

1:47.78

100 IM

1:47.78

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Swimming

Palo Alto Stanford Aquatics

Free 50 M

59.44

05/18/2024

B: 37.39 (+22.05s | 37.1%)

935

Free 100 M

1:58.24

05/18/2024

B: 1:22.09 (+36.15s | 30.6%)

759

Free 200 M

5:47.99

06/10/2022

B: 2:59.19 (+168.80s | 48.5%)

437

50 Free

1:17.54

100 Free

1:29.49

2:47.03

100 Free

2:47.03

150 Free

1:30.96

4:17.99

200 Free

1:30.00

5:47.99

100 Free

3:00.96

Breast 50 M

1:08.22

05/18/2024

B: 49.79 (+18.43s | 27.0%)

708

Breast 100 M

2:25.69

06/07/2024

B: 1:47.79 (+37.90s | 26.0%)

542

Above are the fastest times that Jaeseok Jung has achieved in his swimming career. For each event, you can find Jaeseok's best time, the corresponding time standard, as well as how much faster Jaeseok needs to be to reach the next level. The last columns provide Jaeseok rankings at the team and LSC levels. These rankings are based on the Jaeseok'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	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	SouthWestern Age Group Regional
Free 50 Y	42.97	27.19 (+15.78s \| 36.7%)	26.19 (+16.78s \| 39.1%)	26.89 (+16.08s \| 37.4%)	24.79 (+18.18s \| 42.3%)	23.29 (+19.68s \| 45.8%)	22.19 (+20.78s \| 48.4%)	21.29 (+21.68s \| 50.5%)	21.29 (+21.68s \| 50.5%)	20.59 (+22.38s \| 52.1%)	20.09 (+22.88s \| 53.2%)	20.39 (+22.58s \| 52.5%)	N/A	27.49 (+15.48s \| 36.0%)
Free 100 Y	1:57.95	59.29 (+58.66s \| 49.7%)	57.29 (+60.66s \| 51.4%)	58.69 (+59.26s \| 50.2%)	54.19 (+63.76s \| 54.1%)	51.19 (+66.76s \| 56.6%)	48.19 (+69.76s \| 59.1%)	46.39 (+71.56s \| 60.7%)	46.39 (+71.56s \| 60.7%)	45.09 (+72.86s \| 61.8%)	43.49 (+74.46s \| 63.1%)	44.39 (+73.56s \| 62.4%)	N/A	59.29 (+58.66s \| 49.7%)
Free 200 Y	3:40.84	2:09.19 (+91.65s \| 41.5%)	2:06.69 (+94.15s \| 42.6%)	2:08.39 (+92.45s \| 41.9%)	1:58.59 (+102.25s \| 46.3%)	1:52.09 (+108.75s \| 49.2%)	1:45.79 (+115.05s \| 52.1%)	1:41.59 (+119.25s \| 54.0%)	1:41.59 (+119.25s \| 54.0%)	1:38.79 (+122.05s \| 55.3%)	1:36.49 (+124.35s \| 56.3%)	1:38.09 (+122.75s \| 55.6%)	N/A	2:09.19 (+91.65s \| 41.5%)
Back 50 Y	57.69	31.59 (+26.10s \| 45.2%)	30.59 (+27.10s \| 47.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	31.89 (+25.80s \| 44.7%)
Breast 50 Y	51.48	35.19 (+16.29s \| 31.6%)	34.09 (+17.39s \| 33.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	35.49 (+15.99s \| 31.1%)
Breast 100 Y	2:09.44	1:15.89 (+53.55s \| 41.4%)	1:14.29 (+55.15s \| 42.6%)	1:13.59 (+55.85s \| 43.1%)	1:07.89 (+61.55s \| 47.6%)	1:02.89 (+66.55s \| 51.4%)	1:00.89 (+68.55s \| 53.0%)	57.99 (+71.45s \| 55.2%)	57.99 (+71.45s \| 55.2%)	55.89 (+73.55s \| 56.8%)	54.19 (+75.25s \| 58.1%)	55.29 (+74.15s \| 57.3%)	N/A	1:15.89 (+53.55s \| 41.4%)
IM 100 Y	1:47.78	1:08.09 (+39.69s \| 36.8%)	1:06.09 (+41.69s \| 38.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09 (+39.69s \| 36.8%)

Long Course Distance

Event	Best Time	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	U.S Olympic Team Trials	SouthWestern Age Group Regional
Free 50 M	59.44	31.19 (+28.25s \| 47.5%)	30.39 (+29.05s \| 48.9%)	30.19 (+29.25s \| 49.2%)	27.89 (+31.55s \| 53.1%)	26.79 (+32.65s \| 54.9%)	25.89 (+33.55s \| 56.4%)	24.59 (+34.85s \| 58.6%)	24.59 (+34.85s \| 58.6%)	24.29 (+35.15s \| 59.1%)	23.39 (+36.05s \| 60.6%)	23.79 (+35.65s \| 60.0%)	N/A	22.79 (+36.65s \| 61.7%)	31.49 (+27.95s \| 47.0%)
Free 100 M	1:58.24	1:07.49 (+50.75s \| 42.9%)	1:06.19 (+52.05s \| 44.0%)	1:07.39 (+50.85s \| 43.0%)	1:02.19 (+56.05s \| 47.4%)	59.19 (+59.05s \| 49.9%)	56.09 (+62.15s \| 52.6%)	53.59 (+64.65s \| 54.7%)	53.59 (+64.65s \| 54.7%)	52.59 (+65.65s \| 55.5%)	50.99 (+67.25s \| 56.9%)	51.99 (+66.25s \| 56.0%)	N/A	49.99 (+68.25s \| 57.7%)	1:07.49 (+50.75s \| 42.9%)
Free 200 M	5:47.99	2:26.99 (+201.00s \| 57.8%)	2:23.89 (+204.10s \| 58.7%)	2:27.89 (+200.10s \| 57.5%)	2:16.49 (+211.50s \| 60.8%)	2:09.29 (+218.70s \| 62.8%)	2:03.09 (+224.90s \| 64.6%)	1:57.79 (+230.20s \| 66.2%)	1:57.79 (+230.20s \| 66.2%)	1:55.49 (+232.50s \| 66.8%)	1:52.19 (+235.80s \| 67.8%)	1:54.09 (+233.90s \| 67.2%)	N/A	1:49.99 (+238.00s \| 68.4%)	2:26.99 (+201.00s \| 57.8%)
Breast 50 M	1:08.22	40.09 (+28.13s \| 41.2%)	38.89 (+29.33s \| 43.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+27.83s \| 40.8%)
Breast 100 M	2:25.69	1:27.69 (+58.00s \| 39.8%)	1:24.49 (+61.20s \| 42.0%)	1:25.49 (+60.20s \| 41.3%)	1:18.89 (+66.80s \| 45.9%)	1:13.79 (+71.90s \| 49.4%)	1:11.29 (+74.40s \| 51.1%)	1:08.19 (+77.50s \| 53.2%)	1:08.19 (+77.50s \| 53.2%)	1:06.59 (+79.10s \| 54.3%)	1:04.09 (+81.60s \| 56.0%)	1:05.29 (+80.40s \| 55.2%)	N/A	1:02.19 (+83.50s \| 57.3%)	1:27.69 (+58.00s \| 39.8%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 PASA Summer Palooza

07/20/2025

palo alto

50 Y Breast

51.48

-7.45s (New PB)

B: 43.49 (+7.99s | 15.5%)

100 Y IM

1:47.78

B: 1:21.89 (+25.89s | 24.0%)

50 IM

53.24

100 IM

54.54

1:47.78

100 IM

1:47.78

50 Y Free

42.97

-3.04s (New PB)

B: 32.79 (+10.18s | 23.7%)

2025 Los Altos Mountain View SC CBA Meet

03/22/2025

Mountain View

200 Y Free

3:40.84

B: 2:35.99 (+64.85s | 29.4%)

50 Free

46.88

100 Free

57.55

1:44.43

100 Free

1:44.43

150 Free

59.43

2:43.86

200 Free

56.98

3:40.84

100 Free

1:56.41

2025 Tri Venue Last Chance Meet PASA

02/22/2025

Palo Alto

50 Y Back

58.99

+1.30s

B: 38.49 (+20.50s | 34.8%)

50 Y Free

46.01

-8.03s (New PB)

B: 32.79 (+13.22s | 28.7%)

100 Y Breast

2:09.44

-28.32s (New PB)

B: 1:32.59 (+36.85s | 28.5%)

100 Y Free

1:57.95

-19.77s (New PB)

B: 1:11.49 (+46.46s | 39.4%)

TYR BAC Spooky Fall Classic C B A+ Meet

10/26/2024

Burlingame

50 Y Breast

1:04.56

+5.63s

B: 43.49 (+21.07s | 32.6%)

2024 PASA Summer Palooza

07/21/2024

Atherton

50 Y Free

58.31

+4.27s

B: 32.79 (+25.52s | 43.8%)

50 Y Breast

58.93

-7.01s (New PB)

B: 43.49 (+15.44s | 26.2%)

50 Y Back

57.69

-5.40s (New PB)

B: 38.49 (+19.20s | 33.3%)

Burlingame Aquatic Club Long Course CBA+

06/07/2024

Burlingame

100 M Breast

2:25.69

B: 1:47.79 (+37.90s | 26.0%)

PASA Mayhem LCM Meet

05/18/2024

San Jose

100 M Free

1:58.24

-67.34s (New PB)

B: 1:22.09 (+36.15s | 30.6%)

50 M Breast

1:08.22

B: 49.79 (+18.43s | 27.0%)

50 M Free

59.44

-18.94s (New PB)

B: 37.39 (+22.05s | 37.1%)

Los Altos Mountain View AC C B A+

03/23/2024

Mountain View

50 Y Back

1:10.28

+7.19s

B: 38.49 (+31.79s | 45.2%)

100 Y Free

2:17.72

B: 1:11.49 (+66.23s | 48.1%)

50 Free

1:06.95

100 Free

1:10.77

2:17.72

100 Free

2:17.72

50 Y Free

54.04

-5.94s (New PB)

B: 32.79 (+21.25s | 39.3%)

2024 PASA SC CBA Meet

02/24/2024

Palo Alto

100 Y Breast

2:37.76

B: 1:54.09 (+43.67s | 27.7%)

50 Y Free

59.98

B: 38.19 (+21.79s | 36.3%)

50 Y Back

1:03.09

B: 48.29 (+14.80s | 23.5%)

50 Y Breast

1:05.94

B: 53.39 (+12.55s | 19.0%)

2022 SUNN Silicon Valley LC Age Group Meet

06/25/2022

Sunnyvale

50 M Free

1:18.38

-1.14s (New PB)

B: 43.89 (+34.49s | 44.0%)

LAMV LC C B A+

06/10/2022

Los Altos Hill

200 M Free

5:47.99

B: 3:36.69 (+131.30s | 37.7%)

50 Free

1:17.54

100 Free

1:29.49

2:47.03

100 Free

2:47.03

150 Free

1:30.96

4:17.99

200 Free

1:30.00

5:47.99

100 Free

3:00.96

DACA LC CBA+

05/21/2022

Saratoga

100 M Free

3:05.58

-6.23s (New PB)

B: 1:40.99 (+84.59s | 45.6%)

ALTO Z1N Long Course Invitational Meet

04/30/2022

Los Altos Hills

50 M Free

1:19.52

B: 43.89 (+35.63s | 44.8%)

100 M Free

3:11.81

B: 1:40.99 (+90.82s | 47.3%)

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	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	U.S Olympic Team Trials	SouthWestern Age Group Regional
Free 50 M	59.44	31.19 (+28.25s \| 47.5%)	30.39 (+29.05s \| 48.9%)	30.19 (+29.25s \| 49.2%)	27.89 (+31.55s \| 53.1%)	26.79 (+32.65s \| 54.9%)	25.89 (+33.55s \| 56.4%)	24.59 (+34.85s \| 58.6%)	24.59 (+34.85s \| 58.6%)	24.29 (+35.15s \| 59.1%)	23.39 (+36.05s \| 60.6%)	23.79 (+35.65s \| 60.0%)	N/A	22.79 (+36.65s \| 61.7%)	31.49 (+27.95s \| 47.0%)
Free 100 M	1:58.24	1:07.49 (+50.75s \| 42.9%)	1:06.19 (+52.05s \| 44.0%)	1:07.39 (+50.85s \| 43.0%)	1:02.19 (+56.05s \| 47.4%)	59.19 (+59.05s \| 49.9%)	56.09 (+62.15s \| 52.6%)	53.59 (+64.65s \| 54.7%)	53.59 (+64.65s \| 54.7%)	52.59 (+65.65s \| 55.5%)	50.99 (+67.25s \| 56.9%)	51.99 (+66.25s \| 56.0%)	N/A	49.99 (+68.25s \| 57.7%)	1:07.49 (+50.75s \| 42.9%)
Free 200 M	5:47.99	2:26.99 (+201.00s \| 57.8%)	2:23.89 (+204.10s \| 58.7%)	2:27.89 (+200.10s \| 57.5%)	2:16.49 (+211.50s \| 60.8%)	2:09.29 (+218.70s \| 62.8%)	2:03.09 (+224.90s \| 64.6%)	1:57.79 (+230.20s \| 66.2%)	1:57.79 (+230.20s \| 66.2%)	1:55.49 (+232.50s \| 66.8%)	1:52.19 (+235.80s \| 67.8%)	1:54.09 (+233.90s \| 67.2%)	N/A	1:49.99 (+238.00s \| 68.4%)	2:26.99 (+201.00s \| 57.8%)
Breast 50 M	1:08.22	40.09 (+28.13s \| 41.2%)	38.89 (+29.33s \| 43.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+27.83s \| 40.8%)
Breast 100 M	2:25.69	1:27.69 (+58.00s \| 39.8%)	1:24.49 (+61.20s \| 42.0%)	1:25.49 (+60.20s \| 41.3%)	1:18.89 (+66.80s \| 45.9%)	1:13.79 (+71.90s \| 49.4%)	1:11.29 (+74.40s \| 51.1%)	1:08.19 (+77.50s \| 53.2%)	1:08.19 (+77.50s \| 53.2%)	1:06.59 (+79.10s \| 54.3%)	1:04.09 (+81.60s \| 56.0%)	1:05.29 (+80.40s \| 55.2%)	N/A	1:02.19 (+83.50s \| 57.3%)	1:27.69 (+58.00s \| 39.8%)