Jack Yu

Age: 10 years old
Age Category: 10 & under
Team: Brea Aquatics | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Brea Aquatics

Southern California Swimming

Western Zone

USA

Free 50 Y

32.61

12/12/2025

A: 31.09 (+1.52s | 4.7%)

102

465

1,000+

Free 100 Y

1:10.40

Analysis

12/12/2025

A: 1:09.79 (+0.61s | 0.9%)

298

1,000+

50 Free

34.06

100 Free

36.34

1:10.40

100 Free

1:10.40

Back 50 Y

35.81

12/12/2025

AA: 35.79 (+0.02s | 0.1%)

146

547

Back 100 Y

1:18.49

Analysis

12/12/2025

AA: 1:16.09 (+2.40s | 3.1%)

162

675

50 Back

38.03

100 Back

40.46

1:18.49

100 Back

1:18.49

Fly 100 Y

1:32.31

Analysis

12/12/2025

A: 1:24.39 (+7.92s | 8.6%)

334

1,000+

50 Fly

40.93

100 Fly

51.38

1:32.31

100 Fly

1:32.31

IM 100 Y

1:23.07

Analysis

12/12/2025

A: 1:19.69 (+3.38s | 4.1%)

296

993

50 IM

38.01

100 IM

45.06

1:23.07

100 IM

1:23.07

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Brea Aquatics	Southern California Swimming	Western Zone	USA
Free 100 M	1:36.79	Analysis	10	07/23/2025	B	BB: 1:30.59 (+6.20s \| 6.4%)	8	66	349	666

Back 50 M	42.14		10	07/23/2025	A	AA: 41.09 (+1.05s \| 2.5%)	4	32	63	113

Back 100 M	1:30.23	Analysis	10	07/23/2025	A	AA: 1:28.19 (+2.04s \| 2.3%)	3	25	53	89

Above are the fastest times that Jack Yu has achieved in his swimming career. For each event, you can find Jack's best time, the corresponding time standard, as well as how much faster Jack needs to be to reach the next level. The last columns provide Jack rankings at the team and LSC levels. These rankings are based on the Jack'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	32.61	22.19 (+10.42s \| 32.0%)	21.29 (+11.32s \| 34.7%)	21.29 (+11.32s \| 34.7%)	20.59 (+12.02s \| 36.9%)	20.09 (+12.52s \| 38.4%)	20.39 (+12.22s \| 37.5%)	30.49 (+2.12s \| 6.5%)
Free 100 Y	1:10.40	48.19 (+22.21s \| 31.5%)	46.39 (+24.01s \| 34.1%)	46.39 (+24.01s \| 34.1%)	45.09 (+25.31s \| 36.0%)	43.49 (+26.91s \| 38.2%)	44.39 (+26.01s \| 36.9%)	1:07.19 (+3.21s \| 4.6%)
Back 50 Y	35.81	N/A	N/A	N/A	N/A	N/A	N/A	36.29 33.79 (+2.02s \| 5.6%)
Back 100 Y	1:18.49	53.89 (+24.60s \| 31.3%)	51.49 (+27.00s \| 34.4%)	51.49 (+27.00s \| 34.4%)	49.39 (+29.10s \| 37.1%)	47.59 (+30.90s \| 39.4%)	48.89 (+29.60s \| 37.7%)	1:16.59 (+1.90s \| 2.4%)
Fly 100 Y	1:32.31	52.89 (+39.42s \| 42.7%)	50.59 (+41.72s \| 45.2%)	50.59 (+41.72s \| 45.2%)	48.99 (+43.32s \| 46.9%)	47.79 (+44.52s \| 48.2%)	48.39 (+43.92s \| 47.6%)	1:19.89 (+12.42s \| 13.5%)
IM 100 Y	1:23.07	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+6.08s \| 7.3%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 100 M	1:36.79	56.09 (+40.70s \| 42.0%)	53.59 (+43.20s \| 44.6%)	53.59 (+43.20s \| 44.6%)	52.59 (+44.20s \| 45.7%)	50.99 (+45.80s \| 47.3%)	51.99 (+44.80s \| 46.3%)	1:16.89 (+19.90s \| 20.6%)
Back 50 M	42.14	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+0.55s \| 1.3%)
Back 100 M	1:30.23	1:03.29 (+26.94s \| 29.9%)	1:00.59 (+29.64s \| 32.8%)	1:00.59 (+29.64s \| 32.8%)	58.89 (+31.34s \| 34.7%)	57.29 (+32.94s \| 36.5%)	58.19 (+32.04s \| 35.5%)	1:27.69 (+2.54s \| 2.8%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 CA SCS RAA WAG

12/12/2025

Yuciapa

100 Y IM

1:23.07

A: 1:19.69 (+3.38s | 4.1%)

50 IM

38.01

100 IM

45.06

1:23.07

100 IM

1:23.07

100 Y Fly

1:32.31

A: 1:24.39 (+7.92s | 8.6%)

50 Fly

40.93

100 Fly

51.38

1:32.31

100 Fly

1:32.31

100 Y Free

1:10.40

A: 1:09.79 (+0.61s | 0.9%)

50 Free

34.06

100 Free

36.34

1:10.40

100 Free

1:10.40

50 Y Free

32.61

A: 31.09 (+1.52s | 4.7%)

100 Y Back

1:18.49

AA: 1:16.09 (+2.40s | 3.1%)

50 Back

38.03

100 Back

40.46

1:18.49

100 Back

1:18.49

50 Y Back

35.81

AA: 35.79 (+0.02s | 0.1%)

2025 CA SCS Summer A G Champs

07/23/2025

Walnut

50 M Back

42.14

-2.58s (New PB)

AA: 41.09 (+1.05s | 2.5%)

100 M Back

1:30.23

-4.38s (New PB)

AA: 1:28.19 (+2.04s | 2.3%)

100 M Free

1:36.79

BB: 1:30.59 (+6.20s | 6.4%)

2025 SCS June AG Invite @ La Mirada Armada

06/12/2025

La Mirada

50 M Back

44.72

A: 43.09 (+1.63s | 3.6%)

100 M Back

1:34.61

A: 1:32.29 (+2.32s | 2.5%)

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.