Jonathan Chu

Age: 11 years old
Age Category: 11-12
Team: Pacifica Sea Lions | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pacifica Sea Lions

Pacific Swimming

Western Zone

USA

Free 50 Y

48.74

11/14/2025

B: 32.79 (+15.95s | 32.7%)

Rankings

Free 100 Y

1:43.38

Analysis

09/18/2026

B: 1:11.49 (+31.89s | 30.8%)

Rankings

50 Free

47.17

100 Free

56.21

1:43.38

100 Free

1:43.38

Back 50 Y

48.29

09/18/2026

B: 38.49 (+9.80s | 20.3%)

Rankings

Back 100 Y

1:49.36

Analysis

10/03/2026

B: 1:22.19 (+27.17s | 24.8%)

Rankings

Breast 50 Y

1:00.23

10/03/2026

B: 43.49 (+16.74s | 27.8%)

Rankings

IM 100 Y

2:14.04

Analysis

03/28/2026

B: 1:21.89 (+52.15s | 38.9%)

Rankings

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Pacifica Sea Lions

Pacific Swimming

Western Zone

USA

Free 50 M

52.09

06/26/2026

B: 37.39 (+14.70s | 28.2%)

Rankings

Free 100 M

2:10.87

Analysis

07/10/2026

B: 1:22.09 (+48.78s | 37.3%)

Rankings

50 Free

1:01.02

100 Free

1:09.85

2:10.87

100 Free

2:10.87

Free 200 M

4:28.47

Analysis

07/10/2026

B: 2:59.19 (+89.28s | 33.3%)

Rankings

50 Free

1:00.07

100 Free

1:11.67

2:11.74

100 Free

2:11.74

150 Free

1:11.62

3:23.36

200 Free

1:05.11

4:28.47

100 Free

2:16.73

Back 50 M

54.55

07/10/2026

B: 44.49 (+10.06s | 18.4%)

Rankings

Back 100 M

2:03.91

Analysis

07/10/2026

B: 1:37.19 (+26.72s | 21.6%)

Rankings

Breast 50 M

1:07.57

06/26/2026

B: 49.79 (+17.78s | 26.3%)

Rankings

Above are the fastest times that Jonathan Chu has achieved in his swimming career. For each event, you can find Jonathan's best time, the corresponding time standard, as well as how much faster Jonathan needs to be to reach the next level. The last columns provide Jonathan rankings at the team and LSC levels. These rankings are based on the Jonathan'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 Bonus time standard (extra events for qualified swimmers)

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
Free 50 Y	48.74	29.79 (+18.95s \| 38.9%)	26.59 (+22.15s \| 45.4%) 27.19 (+21.55s \| 44.2%)	26.29 (+22.45s \| 46.1%)	24.19 (+24.55s \| 50.4%)	23.19 (+25.55s \| 52.4%)	22.19 (+26.55s \| 54.5%) 22.79 (+25.95s \| 53.2%)	21.29 (+27.45s \| 56.3%)	21.29 (+27.45s \| 56.3%)	20.49 (+28.25s \| 58.0%)	19.69 (+29.05s \| 59.6%)	20.39 (+28.35s \| 58.2%)
Free 100 Y	1:43.38	1:05.79 (+37.59s \| 36.4%)	58.29 (+45.09s \| 43.6%) 59.29 (+44.09s \| 42.6%)	57.59 (+45.79s \| 44.3%)	53.19 (+50.19s \| 48.5%)	50.99 (+52.39s \| 50.7%)	48.19 (+55.19s \| 53.4%) 49.49 (+53.89s \| 52.1%)	46.39 (+56.99s \| 55.1%)	46.39 (+56.99s \| 55.1%)	44.89 (+58.49s \| 56.6%)	43.09 (+60.29s \| 58.3%)	44.39 (+58.99s \| 57.1%)
Back 50 Y	48.29	34.69 (+13.60s \| 28.2%)	31.09 (+17.20s \| 35.6%) 31.89 (+16.40s \| 34.0%)	N/A	N/A	N/A	24.79 (+23.50s \| 48.7%) 25.39 (+22.90s \| 47.4%)	N/A	N/A	N/A	21.49 (+26.80s \| 55.5%)	N/A
Back 100 Y	1:49.36	1:14.99 (+34.37s \| 31.4%)	1:06.69 (+42.67s \| 39.0%) 1:08.09 (+41.27s \| 37.7%)	1:02.69 (+46.67s \| 42.7%)	57.89 (+51.47s \| 47.1%)	55.49 (+53.87s \| 49.3%)	53.89 (+55.47s \| 50.7%) 55.39 (+53.97s \| 49.4%)	51.49 (+57.87s \| 52.9%)	51.49 (+57.87s \| 52.9%)	49.19 (+60.17s \| 55.0%)	46.99 (+62.37s \| 57.0%)	48.89 (+60.47s \| 55.3%)
Breast 50 Y	1:00.23	38.99 (+21.24s \| 35.3%)	34.69 (+25.54s \| 42.4%) 35.49 (+24.74s \| 41.1%)	N/A	N/A	N/A	27.69 (+32.54s \| 54.0%) 28.09 (+32.14s \| 53.4%)	N/A	N/A	N/A	24.39 (+35.84s \| 59.5%)	N/A
IM 100 Y	2:14.04	1:15.39 (+58.65s \| 43.8%)	1:07.59 (+66.45s \| 49.6%) 1:08.69 (+65.35s \| 48.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

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	U.S. Olympic Team Trials
Free 50 M	52.09	34.19 (+17.90s \| 34.4%)	30.49 (+21.60s \| 41.5%) 31.19 (+20.90s \| 40.1%)	30.59 (+21.50s \| 41.3%)	28.19 (+23.90s \| 45.9%)	26.99 (+25.10s \| 48.2%)	25.89 (+26.20s \| 50.3%) 26.59 (+25.50s \| 49.0%)	24.59 (+27.50s \| 52.8%)	24.59 (+27.50s \| 52.8%)	24.09 (+28.00s \| 53.8%)	23.29 (+28.80s \| 55.3%)	23.79 (+28.30s \| 54.3%)	22.69 (+29.40s \| 56.4%)
Free 100 M	2:10.87	1:15.29 (+55.58s \| 42.5%)	1:06.89 (+63.98s \| 48.9%) 1:08.09 (+62.78s \| 48.0%)	1:06.69 (+64.18s \| 49.0%)	1:01.49 (+69.38s \| 53.0%)	58.99 (+71.88s \| 54.9%)	56.09 (+74.78s \| 57.1%) 57.69 (+73.18s \| 55.9%)	53.59 (+77.28s \| 59.1%)	53.59 (+77.28s \| 59.1%)	52.59 (+78.28s \| 59.8%)	50.89 (+79.98s \| 61.1%)	51.99 (+78.88s \| 60.3%)	49.79 (+81.08s \| 62.0%)
Free 200 M	4:28.47	2:43.39 (+105.08s \| 39.1%)	2:25.49 (+122.98s \| 45.8%) 2:28.79 (+119.68s \| 44.6%)	2:25.39 (+123.08s \| 45.8%)	2:14.29 (+134.18s \| 50.0%)	2:08.69 (+139.78s \| 52.1%)	2:03.09 (+145.38s \| 54.2%) 2:06.59 (+141.88s \| 52.8%)	1:57.79 (+150.68s \| 56.1%)	1:57.79 (+150.68s \| 56.1%)	1:55.29 (+153.18s \| 57.1%)	1:51.99 (+156.48s \| 58.3%)	1:54.09 (+154.38s \| 57.5%)	1:49.59 (+158.88s \| 59.2%)
Back 50 M	54.55	40.29 (+14.26s \| 26.1%)	35.59 (+18.96s \| 34.8%) 36.79 (+17.76s \| 32.6%)	N/A	N/A	N/A	29.29 (+25.26s \| 46.3%) 29.79 (+24.76s \| 45.4%)	N/A	N/A	N/A	26.09 (+28.46s \| 52.2%)	N/A	25.59 (+28.96s \| 53.1%)
Back 100 M	2:03.91	1:27.69 (+36.22s \| 29.2%)	1:17.59 (+46.32s \| 37.4%) 1:19.19 (+44.72s \| 36.1%)	1:13.69 (+50.22s \| 40.5%)	1:07.99 (+55.92s \| 45.1%)	1:05.19 (+58.72s \| 47.4%)	1:03.29 (+60.62s \| 48.9%) 1:05.09 (+58.82s \| 47.5%)	1:00.59 (+63.32s \| 51.1%)	1:00.59 (+63.32s \| 51.1%)	58.79 (+65.12s \| 52.6%)	56.89 (+67.02s \| 54.1%)	58.19 (+65.72s \| 53.0%)	55.39 (+68.52s \| 55.3%)
Breast 50 M	1:07.57	45.09 (+22.48s \| 33.3%)	39.49 (+28.08s \| 41.6%) 40.49 (+27.08s \| 40.1%)	N/A	N/A	N/A	32.89 (+34.68s \| 51.3%) 33.39 (+34.18s \| 50.6%)	N/A	N/A	N/A	29.19 (+38.38s \| 56.8%)	N/A	28.09 (+39.48s \| 58.4%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

PASA CBA+ SCY Meet Oct 2026

10/03/2026

Palo Alto

100 Y Back

1:49.36

-3.27s (New PB)

B: 1:22.19 (+27.17s | 24.8%)

50 Y Breast

1:00.23

-2.38s (New PB)

B: 43.49 (+16.74s | 27.8%)

100 Y Free

1:43.91

+0.53s

B: 1:11.49 (+32.42s | 31.2%)

PSL Pacifica Season Launch CBA+ Meet

09/18/2026

Pacifica

50 Y Back

48.29

-1.80s (New PB)

B: 38.49 (+9.80s | 20.3%)

100 Y Free

1:43.38

-10.86s (New PB)

B: 1:11.49 (+31.89s | 30.8%)

50 Free

47.17

100 Free

56.21

1:43.38

100 Free

1:43.38

2026 NNA Silver State Championships

07/10/2026

Reno

100 M Free

2:10.87

-2.13s (New PB)

B: 1:22.09 (+48.78s | 37.3%)

50 Free

1:01.02

100 Free

1:09.85

2:10.87

100 Free

2:10.87

200 M Free

4:28.47

B: 2:59.19 (+89.28s | 33.3%)

50 Free

1:00.07

100 Free

1:11.67

2:11.74

100 Free

2:11.74

150 Free

1:11.62

3:23.36

200 Free

1:05.11

4:28.47

100 Free

2:16.73

50 M Back

54.55

-3.63s (New PB)

B: 44.49 (+10.06s | 18.4%)

100 M Back

2:03.91

-5.74s (New PB)

B: 1:37.19 (+26.72s | 21.6%)

50 M Free

54.68

+2.59s

B: 37.39 (+17.29s | 31.6%)

50 M Breast

1:12.49

+4.92s

B: 49.79 (+22.70s | 31.3%)

SUNN Silicon Valley CBA+ LCM

06/26/2026

Sunnyvale

50 M Back

58.18

B: 44.49 (+13.69s | 23.5%)

50 M Free

52.09

B: 37.39 (+14.70s | 28.2%)

100 M Back

2:09.65

B: 1:37.19 (+32.46s | 25.0%)

50 M Breast

1:07.57

B: 49.79 (+17.78s | 26.3%)

100 M Free

2:13.00

B: 1:22.09 (+50.91s | 38.3%)

PSL March CBA+

03/28/2026

Pacifica

50 Y Free

55.87

+7.13s

B: 38.19 (+17.68s | 31.6%)

100 Y IM

2:14.04

B: 1:39.69 (+34.35s | 25.6%)

100 Y Back

1:52.63

B: 1:40.69 (+11.94s | 10.6%)

BAC Race To AGCs

03/07/2026

Burlingame

50 Y Free

49.53

+0.79s

B: 38.19 (+11.34s | 22.9%)

2026 PSL Super Finals Invitational

02/07/2026

Pacifica

50 Y Breast

1:02.61

B: 53.39 (+9.22s | 14.7%)

100 Y Free

1:54.24

B: 1:27.99 (+26.25s | 23.0%)

50 Free

51.48

100 Free

1:02.76

1:54.24

100 Free

1:54.24

SSF NEW YEAR SPLASH C B A+

01/10/2026

Pacifica

50 Y Back

50.09

B: 48.29 (+1.80s | 3.6%)

PSL Pumpkin Spice Lovers 25 129

11/14/2025

Pacfica

50 Y Free

48.74

B: 38.19 (+10.55s | 21.6%)

25 Y Free

21.83

25 Y Back

24.39

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	U.S. Olympic Team Trials
Free 50 M	52.09	34.19 (+17.90s \| 34.4%)	30.49 (+21.60s \| 41.5%) 31.19 (+20.90s \| 40.1%)	30.59 (+21.50s \| 41.3%)	28.19 (+23.90s \| 45.9%)	26.99 (+25.10s \| 48.2%)	25.89 (+26.20s \| 50.3%) 26.59 (+25.50s \| 49.0%)	24.59 (+27.50s \| 52.8%)	24.59 (+27.50s \| 52.8%)	24.09 (+28.00s \| 53.8%)	23.29 (+28.80s \| 55.3%)	23.79 (+28.30s \| 54.3%)	22.69 (+29.40s \| 56.4%)
Free 100 M	2:10.87	1:15.29 (+55.58s \| 42.5%)	1:06.89 (+63.98s \| 48.9%) 1:08.09 (+62.78s \| 48.0%)	1:06.69 (+64.18s \| 49.0%)	1:01.49 (+69.38s \| 53.0%)	58.99 (+71.88s \| 54.9%)	56.09 (+74.78s \| 57.1%) 57.69 (+73.18s \| 55.9%)	53.59 (+77.28s \| 59.1%)	53.59 (+77.28s \| 59.1%)	52.59 (+78.28s \| 59.8%)	50.89 (+79.98s \| 61.1%)	51.99 (+78.88s \| 60.3%)	49.79 (+81.08s \| 62.0%)
Free 200 M	4:28.47	2:43.39 (+105.08s \| 39.1%)	2:25.49 (+122.98s \| 45.8%) 2:28.79 (+119.68s \| 44.6%)	2:25.39 (+123.08s \| 45.8%)	2:14.29 (+134.18s \| 50.0%)	2:08.69 (+139.78s \| 52.1%)	2:03.09 (+145.38s \| 54.2%) 2:06.59 (+141.88s \| 52.8%)	1:57.79 (+150.68s \| 56.1%)	1:57.79 (+150.68s \| 56.1%)	1:55.29 (+153.18s \| 57.1%)	1:51.99 (+156.48s \| 58.3%)	1:54.09 (+154.38s \| 57.5%)	1:49.59 (+158.88s \| 59.2%)
Back 50 M	54.55	40.29 (+14.26s \| 26.1%)	35.59 (+18.96s \| 34.8%) 36.79 (+17.76s \| 32.6%)	N/A	N/A	N/A	29.29 (+25.26s \| 46.3%) 29.79 (+24.76s \| 45.4%)	N/A	N/A	N/A	26.09 (+28.46s \| 52.2%)	N/A	25.59 (+28.96s \| 53.1%)
Back 100 M	2:03.91	1:27.69 (+36.22s \| 29.2%)	1:17.59 (+46.32s \| 37.4%) 1:19.19 (+44.72s \| 36.1%)	1:13.69 (+50.22s \| 40.5%)	1:07.99 (+55.92s \| 45.1%)	1:05.19 (+58.72s \| 47.4%)	1:03.29 (+60.62s \| 48.9%) 1:05.09 (+58.82s \| 47.5%)	1:00.59 (+63.32s \| 51.1%)	1:00.59 (+63.32s \| 51.1%)	58.79 (+65.12s \| 52.6%)	56.89 (+67.02s \| 54.1%)	58.19 (+65.72s \| 53.0%)	55.39 (+68.52s \| 55.3%)
Breast 50 M	1:07.57	45.09 (+22.48s \| 33.3%)	39.49 (+28.08s \| 41.6%) 40.49 (+27.08s \| 40.1%)	N/A	N/A	N/A	32.89 (+34.68s \| 51.3%) 33.39 (+34.18s \| 50.6%)	N/A	N/A	N/A	29.19 (+38.38s \| 56.8%)	N/A	28.09 (+39.48s \| 58.4%)