Jaechul Jung

Age: 9 years old
Age Category: 10 & under
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Palo Alto Stanford Aquatics

Pacific Swimming

Western Zone

USA

Free 25 Y

26.15

02/22/2025

730

1,000+

Free 50 Y

51.50

07/20/2025

B: 38.19 (+13.31s | 25.8%)

919

1,000+

Free 100 Y

1:44.96

Analysis

03/07/2026

B: 1:27.99 (+16.97s | 16.2%)

590

1,000+

Back 25 Y

26.15

02/22/2025

468

1,000+

Back 50 Y

48.87

02/07/2026

B: 48.29 (+0.58s | 1.2%)

369

1,000+

Breast 50 Y

1:13.58

02/22/2025

B: 53.39 (+20.19s | 27.4%)

768

1,000+

Breast 100 Y

1:47.32

Analysis

07/26/2026

BB: 1:42.29 (+5.03s | 4.7%)

160

624

1,000+

50 Breast

52.64

100 Breast

54.68

1:47.32

100 Breast

1:47.32

Fly 50 Y

56.42

02/07/2026

B: 46.49 (+9.93s | 17.6%)

432

1,000+

IM 100 Y

1:42.44

Analysis

07/26/2026

B: 1:39.69 (+2.75s | 2.7%)

315

1,000+

50 IM

49.84

100 IM

52.60

1:42.44

100 IM

1:42.44

Long course distance

Event	Time	Age	Date	Next Standard	Palo Alto Stanford Aquatics	Pacific Swimming	Western Zone	USA
Free 50 M	1:23.96	9	05/18/2024	B: 43.89 (+40.07s \| 47.7%)	49	650	1,000+	1,000+

Back 50 M	1:20.61	9	05/18/2024	B: 55.39 (+25.22s \| 31.3%)	42	570	1,000+	1,000+

Above are the fastest times that Jaechul Jung has achieved in his swimming career. For each event, you can find Jaechul's best time, the corresponding time standard, as well as how much faster Jaechul needs to be to reach the next level. The last columns provide Jaechul rankings at the team and LSC levels. These rankings are based on the Jaechul'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
Got the Far Western Bonus 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	51.50	30.99 (+20.51s \| 39.8%)	30.19 (+21.31s \| 41.4%) 30.99 (+20.51s \| 39.8%)	26.89 (+24.61s \| 47.8%)	24.79 (+26.71s \| 51.9%)	23.29 (+28.21s \| 54.8%)	22.19 (+29.31s \| 56.9%)	21.29 (+30.21s \| 58.7%)	21.29 (+30.21s \| 58.7%)	20.59 (+30.91s \| 60.0%)	20.09 (+31.41s \| 61.0%)	20.39 (+31.11s \| 60.4%)	N/A	30.49 (+21.01s \| 40.8%)
Free 100 Y	1:44.96	1:09.69 (+35.27s \| 33.6%)	1:07.59 (+37.37s \| 35.6%) 1:09.69 (+35.27s \| 33.6%)	58.69 (+46.27s \| 44.1%)	54.19 (+50.77s \| 48.4%)	51.19 (+53.77s \| 51.2%)	48.19 (+56.77s \| 54.1%)	46.39 (+58.57s \| 55.8%)	46.39 (+58.57s \| 55.8%)	45.09 (+59.87s \| 57.0%)	43.49 (+61.47s \| 58.6%)	44.39 (+60.57s \| 57.7%)	N/A	1:07.19 (+37.77s \| 36.0%)
Back 50 Y	48.87	36.99 (+11.88s \| 24.3%)	35.79 (+13.08s \| 26.8%) 36.99 (+11.88s \| 24.3%)	N/A	N/A	N/A	24.79 (+24.08s \| 49.3%)	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+12.58s \| 25.7%)
Breast 50 Y	1:13.58	40.99 (+32.59s \| 44.3%)	39.99 (+33.59s \| 45.7%) 40.99 (+32.59s \| 44.3%)	N/A	N/A	N/A	27.69 (+45.89s \| 62.4%)	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+33.29s \| 45.2%)
Breast 100 Y	1:47.32	1:28.99 (+18.33s \| 17.1%)	1:26.99 (+20.33s \| 18.9%) 1:28.99 (+18.33s \| 17.1%)	1:13.59 (+33.73s \| 31.4%)	1:07.89 (+39.43s \| 36.7%)	1:02.89 (+44.43s \| 41.4%)	1:00.89 (+46.43s \| 43.3%)	57.99 (+49.33s \| 46.0%)	57.99 (+49.33s \| 46.0%)	55.89 (+51.43s \| 47.9%)	54.19 (+53.13s \| 49.5%)	55.29 (+52.03s \| 48.5%)	N/A	1:26.29 (+21.03s \| 19.6%)
Fly 50 Y	56.42	35.39 (+21.03s \| 37.3%)	33.99 (+22.43s \| 39.8%) 35.39 (+21.03s \| 37.3%)	N/A	N/A	N/A	24.09 (+32.33s \| 57.3%)	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+21.73s \| 38.5%)
IM 100 Y	1:42.44	1:18.89 (+23.55s \| 23.0%)	1:16.89 (+25.55s \| 24.9%) 1:18.89 (+23.55s \| 23.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+25.45s \| 24.8%)

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	1:23.96	35.49 (+48.47s \| 57.7%)	34.39 (+49.57s \| 59.0%) 35.49 (+48.47s \| 57.7%)	30.19 (+53.77s \| 64.0%)	27.89 (+56.07s \| 66.8%)	26.79 (+57.17s \| 68.1%)	25.89 (+58.07s \| 69.2%)	24.59 (+59.37s \| 70.7%)	24.59 (+59.37s \| 70.7%)	24.29 (+59.67s \| 71.1%)	23.39 (+60.57s \| 72.1%)	23.79 (+60.17s \| 71.7%)	N/A	22.79 (+61.17s \| 72.9%)	34.59 (+49.37s \| 58.8%)
Back 50 M	1:20.61	42.99 (+37.62s \| 46.7%)	40.79 (+39.82s \| 49.4%) 42.99 (+37.62s \| 46.7%)	N/A	N/A	N/A	29.29 (+51.32s \| 63.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+39.02s \| 48.4%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 PASA Summer Palooza

07/26/2026

PAlo Alto

100 Y IM

1:42.44

B: 1:39.69 (+2.75s | 2.7%)

50 IM

49.84

100 IM

52.60

1:42.44

100 IM

1:42.44

100 Y Breast

1:47.32

-23.41s (New PB)

BB: 1:42.29 (+5.03s | 4.7%)

50 Breast

52.64

100 Breast

54.68

1:47.32

100 Breast

1:47.32

2026 PASA Last Chance For JO S

03/07/2026

Palo Alto

50 Y Back

49.03

+0.16s

B: 48.29 (+0.74s | 1.5%)

100 Y Free

1:44.96

-6.30s (New PB)

B: 1:27.99 (+16.97s | 16.2%)

PASA CBA+ SCY Meet Feb 2026

02/07/2026

Palo Alto

50 Y Back

48.87

-10.05s (New PB)

B: 48.29 (+0.58s | 1.2%)

100 Y Free

1:51.26

-0.02s (New PB)

B: 1:27.99 (+23.27s | 20.9%)

50 Y Fly

56.42

B: 46.49 (+9.93s | 17.6%)

TYR BAC SPOOKY FALL CLASSIC

10/25/2025

Burlingame

100 Y Free

1:51.28

-17.60s (New PB)

B: 1:27.99 (+23.29s | 20.9%)

100 Y Breast

2:10.73

B: 1:54.09 (+16.64s | 12.7%)

50 Y Back

58.92

-6.48s (New PB)

B: 48.29 (+10.63s | 18.0%)

2025 PASA Summer Palooza

07/20/2025

palo alto

50 Y Free

51.50

-1.52s (New PB)

B: 38.19 (+13.31s | 25.8%)

2025 Los Altos Mountain View SC CBA Meet

03/22/2025

Mountain View

25 Y Back

28.59

+2.44s

50 Y Free

56.38

+3.36s

B: 38.19 (+18.19s | 32.3%)

2025 Tri Venue Last Chance Meet PASA

02/22/2025

Palo Alto

50 Y Free

53.02

-14.55s (New PB)

B: 38.19 (+14.83s | 28.0%)

25 Y Free

26.15

-13.55s (New PB)

100 Y Free

2:08.88

B: 1:27.99 (+40.89s | 31.7%)

50 Y Breast

1:13.58

B: 53.39 (+20.19s | 27.4%)

50 Y Back

1:05.40

B: 48.29 (+17.11s | 26.2%)

25 Y Back

26.15

-9.12s (New PB)

2024 PASA Summer Palooza

07/21/2024

Atherton

50 Y Free

1:07.57

-5.48s (New PB)

B: 38.19 (+29.38s | 43.5%)

PASA Mayhem LCM Meet

05/18/2024

San Jose

50 M Back

1:20.61

B: 55.39 (+25.22s | 31.3%)

50 M Free

1:23.96

B: 43.89 (+40.07s | 47.7%)

Los Altos Mountain View AC C B A+

03/23/2024

Mountain View

50 Y Free

1:13.05

-11.37s (New PB)

B: 38.19 (+34.86s | 47.7%)

2024 PASA SC CBA Meet

02/24/2024

Palo Alto

25 Y Free

39.70

-5.45s (New PB)

50 Y Free

1:26.25

+1.83s

B: 38.19 (+48.06s | 55.7%)

TYR BAC Spooky Fall Classic C B A+ Meet

10/27/2023

Burlingame

25 Y Back

35.27

50 Y Free

1:24.42

B: 38.19 (+46.23s | 54.8%)

25 Y Free

45.15

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.