Chelsea O'Connor

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

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Swimming

Pacifica Sea Lions

Free 50 Y

35.23

03/22/2025

B: 33.99 (+1.24s | 3.5%)

773

Free 100 Y

1:15.27

10/25/2025

B: 1:14.69 (+0.58s | 0.8%)

577

50 Free

35.99

100 Free

39.28

1:15.27

100 Free

1:15.27

Free 500 Y

7:07.80

10/25/2025

BB: 6:45.69 (+22.11s | 5.2%)

218

50 Free

39.05

100 Free

41.45

1:20.50

100 Free

1:20.50

150 Free

41.97

2:02.47

200 Free

43.82

2:46.29

100 Free

1:25.79

250 Free

44.47

3:30.76

300 Free

44.52

4:15.28

100 Free

1:28.99

350 Free

43.98

4:59.26

400 Free

43.56

5:42.82

100 Free

1:27.54

450 Free

43.55

6:26.37

500 Free

41.43

7:07.80

100 Free

1:24.98

Back 50 Y

43.30

09/21/2024

B: 38.79 (+4.51s | 10.4%)

779

Back 100 Y

1:32.07

01/11/2025

B: 1:26.59 (+5.48s | 6.0%)

562

Breast 50 Y

51.51

09/21/2024

B: 43.99 (+7.52s | 14.6%)

1,000+

Breast 100 Y

1:46.12

01/11/2025

B: 1:36.49 (+9.63s | 9.1%)

748

Fly 50 Y

43.27

09/21/2024

B: 36.89 (+6.38s | 14.7%)

690

Fly 100 Y

1:32.96

10/25/2025

B: 1:25.79 (+7.17s | 7.7%)

335

50 Fly

43.25

100 Fly

49.71

1:32.96

100 Fly

1:32.96

IM 100 Y

1:31.00

09/21/2024

B: 1:25.19 (+5.81s | 6.4%)

705

Long course distance

Event	Time	Age	Date	Next Standard	Pacific Swimming	Pacifica Sea Lions
Free 50 M	41.11	11	06/07/2024	B: 38.49 (+2.62s \| 6.4%)	608	6

Free 100 M	1:29.12	11	06/22/2024	B: 1:25.59 (+3.53s \| 4.0%)	494	4

Back 50 M	51.46	11	06/07/2024	B: 44.79 (+6.67s \| 13.0%)	604	6

Back 100 M	1:46.35	11	06/22/2024	B: 1:40.59 (+5.76s \| 5.4%)	433	3

Breast 50 M	58.41	11	06/22/2024	B: 49.79 (+8.62s \| 14.8%)	669	6

Fly 50 M	49.83	11	06/07/2024	B: 41.79 (+8.04s \| 16.1%)	514	4

Above are the fastest times that Chelsea O'Connor has achieved in her swimming career. For each event, you can find Chelsea's best time, the corresponding time standard, as well as how much faster Chelsea needs to be to reach the next level. The last columns provide Chelsea rankings at the team and LSC levels. These rankings are based on the Chelsea's personal best, her 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	35.23	27.89 (+7.34s \| 20.8%)	26.79 (+8.44s \| 24.0%)	29.99 (+5.24s \| 14.9%)	27.69 (+7.54s \| 21.4%)	26.09 (+9.14s \| 25.9%)	24.89 (+10.34s \| 29.3%)	23.89 (+11.34s \| 32.2%)	23.89 (+11.34s \| 32.2%)	23.29 (+11.94s \| 33.9%)	22.59 (+12.64s \| 35.9%)	22.79 (+12.44s \| 35.3%)	N/A	28.49 (+6.74s \| 19.1%)
Free 100 Y	1:15.27	1:00.49 (+14.78s \| 19.6%)	59.09 (+16.18s \| 21.5%)	1:04.99 (+10.28s \| 13.7%)	59.99 (+15.28s \| 20.3%)	56.59 (+18.68s \| 24.8%)	53.99 (+21.28s \| 28.3%)	51.89 (+23.38s \| 31.1%)	51.89 (+23.38s \| 31.1%)	50.39 (+24.88s \| 33.1%)	49.29 (+25.98s \| 34.5%)	49.69 (+25.58s \| 34.0%)	N/A	1:00.49 (+14.78s \| 19.6%)
Free 500 Y	7:07.80	5:51.39 (+76.41s \| 17.9%)	5:41.89 (+85.91s \| 20.1%)	6:12.69 (+55.11s \| 12.9%)	5:43.99 (+83.81s \| 19.6%)	5:29.09 (+98.71s \| 23.1%)	5:10.69 (+117.11s \| 27.4%)	5:02.59 (+125.21s \| 29.3%)	5:02.59 (+125.21s \| 29.3%)	4:53.09 (+134.71s \| 31.5%)	4:45.99 (+141.81s \| 33.1%)	4:48.09 (+139.71s \| 32.7%)	N/A	5:52.59 (+75.21s \| 17.6%)
Back 50 Y	43.30	31.99 (+11.31s \| 26.1%)	31.09 (+12.21s \| 28.2%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	32.19 (+11.11s \| 25.7%)
Back 100 Y	1:32.07	1:09.39 (+22.68s \| 24.6%)	1:07.49 (+24.58s \| 26.7%)	1:10.79 (+21.28s \| 23.1%)	1:05.39 (+26.68s \| 29.0%)	1:01.39 (+30.68s \| 33.3%)	59.49 (+32.58s \| 35.4%)	57.09 (+34.98s \| 38.0%)	57.09 (+34.98s \| 38.0%)	55.09 (+36.98s \| 40.2%)	53.89 (+38.18s \| 41.5%)	54.49 (+37.58s \| 40.8%)	N/A	1:09.29 (+22.78s \| 24.7%)
Breast 50 Y	51.51	36.09 (+15.42s \| 29.9%)	34.99 (+16.52s \| 32.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.19 (+15.32s \| 29.7%)
Breast 100 Y	1:46.12	1:18.19 (+27.93s \| 26.3%)	1:15.89 (+30.23s \| 28.5%)	1:21.99 (+24.13s \| 22.7%)	1:15.69 (+30.43s \| 28.7%)	1:10.49 (+35.63s \| 33.6%)	1:07.59 (+38.53s \| 36.3%)	1:05.49 (+40.63s \| 38.3%)	1:05.49 (+40.63s \| 38.3%)	1:03.09 (+43.03s \| 40.5%)	1:01.79 (+44.33s \| 41.8%)	1:02.79 (+43.33s \| 40.8%)	N/A	1:18.19 (+27.93s \| 26.3%)
Fly 50 Y	43.27	30.59 (+12.68s \| 29.3%)	29.49 (+13.78s \| 31.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	30.89 (+12.38s \| 28.6%)
Fly 100 Y	1:32.96	1:08.09 (+24.87s \| 26.8%)	1:05.89 (+27.07s \| 29.1%)	1:10.69 (+22.27s \| 24.0%)	1:05.29 (+27.67s \| 29.8%)	1:01.39 (+31.57s \| 34.0%)	59.19 (+33.77s \| 36.3%)	56.59 (+36.37s \| 39.1%)	56.59 (+36.37s \| 39.1%)	54.69 (+38.27s \| 41.2%)	53.49 (+39.47s \| 42.5%)	53.99 (+38.97s \| 41.9%)	N/A	1:08.99 (+23.97s \| 25.8%)
IM 100 Y	1:31.00	1:09.29 (+21.71s \| 23.9%)	1:07.59 (+23.41s \| 25.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:10.09 (+20.91s \| 23.0%)

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	41.11	31.89 (+9.22s \| 22.4%)	30.99 (+10.12s \| 24.6%)	34.29 (+6.82s \| 16.6%)	31.69 (+9.42s \| 22.9%)	29.89 (+11.22s \| 27.3%)	28.69 (+12.42s \| 30.2%)	27.39 (+13.72s \| 33.4%)	27.39 (+13.72s \| 33.4%)	26.89 (+14.22s \| 34.6%)	26.29 (+14.82s \| 36.0%)	26.59 (+14.52s \| 35.3%)	N/A	25.69 (+15.42s \| 37.5%)	32.29 (+8.82s \| 21.5%)
Free 100 M	1:29.12	1:09.49 (+19.63s \| 22.0%)	1:08.59 (+20.53s \| 23.0%)	1:14.09 (+15.03s \| 16.9%)	1:08.39 (+20.73s \| 23.3%)	1:04.99 (+24.13s \| 27.1%)	1:01.89 (+27.23s \| 30.6%)	59.29 (+29.83s \| 33.5%)	59.29 (+29.83s \| 33.5%)	58.19 (+30.93s \| 34.7%)	56.99 (+32.13s \| 36.1%)	57.59 (+31.53s \| 35.4%)	N/A	55.79 (+33.33s \| 37.4%)	1:09.89 (+19.23s \| 21.6%)
Back 50 M	51.46	36.89 (+14.57s \| 28.3%)	35.49 (+15.97s \| 31.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	37.19 (+14.27s \| 27.7%)
Back 100 M	1:46.35	1:19.29 (+27.06s \| 25.4%)	1:17.09 (+29.26s \| 27.5%)	1:22.29 (+24.06s \| 22.6%)	1:15.99 (+30.36s \| 28.5%)	1:11.79 (+34.56s \| 32.5%)	1:09.49 (+36.86s \| 34.7%)	1:06.79 (+39.56s \| 37.2%)	1:06.79 (+39.56s \| 37.2%)	1:04.79 (+41.56s \| 39.1%)	1:03.69 (+42.66s \| 40.1%)	1:04.39 (+41.96s \| 39.5%)	N/A	1:01.89 (+44.46s \| 41.8%)	1:19.39 (+26.96s \| 25.4%)
Breast 50 M	58.41	40.69 (+17.72s \| 30.3%)	39.49 (+18.92s \| 32.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.69 (+17.72s \| 30.3%)
Fly 50 M	49.83	34.29 (+15.54s \| 31.2%)	33.69 (+16.14s \| 32.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.59 (+15.24s \| 30.6%)

Progression

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Meets

See all the meets Chelsea O'Connor has participated in and her achievement. The last event displayed is the most recent. For each event, you can find the Chelsea's time, the progress against Chelsea's best time, the corresponding time standard, as well as how much faster Chelsea needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

TYR BAC SPOOKY FALL CLASSIC

10/25/2025

Burlingame

100 Y Free

1:15.27

-1.31s (New PB)

B: 1:14.69 (+0.58s | 0.8%)

50 Free

35.99

100 Free

39.28

1:15.27

100 Free

1:15.27

100 Y Fly

1:32.96

B: 1:25.79 (+7.17s | 7.7%)

50 Fly

43.25

100 Fly

49.71

1:32.96

100 Fly

1:32.96

500 Y Free

7:07.80

BB: 6:45.69 (+22.11s | 5.2%)

50 Free

39.05

100 Free

41.45

1:20.50

100 Free

1:20.50

150 Free

41.97

2:02.47

200 Free

43.82

2:46.29

100 Free

1:25.79

250 Free

44.47

3:30.76

300 Free

44.52

4:15.28

100 Free

1:28.99

350 Free

43.98

4:59.26

400 Free

43.56

5:42.82

100 Free

1:27.54

450 Free

43.55

6:26.37

500 Free

41.43

7:07.80

100 Free

1:24.98

PSL SC CBA+ Meet

03/22/2025

Pacifica

50 Y Fly

45.22

+1.95s

B: 36.89 (+8.33s | 18.4%)

50 Y Breast

53.21

+1.70s

B: 43.99 (+9.22s | 17.3%)

50 Y Free

35.23

-0.10s (New PB)

B: 33.99 (+1.24s | 3.5%)

South San Francisco New Year Splash C B A+

01/11/2025

Pacifica

50 Y Free

35.33

-3.47s (New PB)

B: 33.99 (+1.34s | 3.8%)

100 Y Free

1:16.58

-4.83s (New PB)

B: 1:14.69 (+1.89s | 2.5%)

100 Y Back

1:32.07

B: 1:26.59 (+5.48s | 6.0%)

100 Y Breast

1:46.12

B: 1:36.49 (+9.63s | 9.1%)

South San Francisco C B A+

09/21/2024

Pacifica

100 Y IM

1:31.00

-7.09s (New PB)

B: 1:25.19 (+5.81s | 6.4%)

50 Y Fly

43.27

-14.89s (New PB)

B: 36.89 (+6.38s | 14.7%)

100 Y Free

1:21.41

-19.25s (New PB)

B: 1:14.69 (+6.72s | 8.3%)

50 Y Breast

51.51

-12.70s (New PB)

B: 43.99 (+7.52s | 14.6%)

50 Y Back

43.30

-11.38s (New PB)

B: 38.79 (+4.51s | 10.4%)

Alto Beat The Heat Sat Sun

06/22/2024

Fremont

50 M Fly

52.05

+2.22s

B: 41.79 (+10.26s | 19.7%)

100 M Free

1:29.12

-0.59s (New PB)

B: 1:25.59 (+3.53s | 4.0%)

100 M Back

1:46.35

B: 1:40.59 (+5.76s | 5.4%)

50 M Free

41.61

+0.50s

B: 38.49 (+3.12s | 7.5%)

50 M Breast

58.41

-1.08s (New PB)

B: 49.79 (+8.62s | 14.8%)

Burlingame Aquatic Club Long Course CBA+

06/07/2024

Burlingame

50 M Breast

59.49

-13.91s (New PB)

B: 49.79 (+9.70s | 16.3%)

50 M Fly

49.83

B: 41.79 (+8.04s | 16.1%)

50 M Back

51.46

B: 44.79 (+6.67s | 13.0%)

100 M Free

1:29.71

B: 1:25.59 (+4.12s | 4.6%)

50 M Free

41.11

-6.43s (New PB)

B: 38.49 (+2.62s | 6.4%)

PSL SC CBA+ Meet

03/23/2024

Pacifica

50 Y Free

38.80

-5.69s (New PB)

B: 33.99 (+4.81s | 12.4%)

100 Y IM

1:38.09

-15.58s (New PB)

B: 1:25.19 (+12.90s | 13.2%)

Burlingame Aquatic Club Long Course CBA

06/09/2023

Burlingame

50 M Free

47.54

B: 45.29 (+2.25s | 4.7%)

50 M Breast

1:13.40

B: 1:02.19 (+11.21s | 15.3%)

PSL Shamrock Splash

03/18/2023

Pacifica

50 Y Fly

58.47

+0.31s

B: 48.39 (+10.08s | 17.2%)

100 Y IM

1:53.67

B: 1:44.29 (+9.38s | 8.3%)

50 Y Breast

1:04.21

-4.67s (New PB)

B: 54.59 (+9.62s | 15.0%)

PSL SC T F Meet

02/11/2023

Pacifica

50 Y Back

54.68

B: 48.59 (+6.09s | 11.1%)

50 Y Free

45.16

+0.67s

B: 39.79 (+5.37s | 11.9%)

100 Y Free

1:40.66

B: 1:30.79 (+9.87s | 9.8%)

South San Francisco C B A+

01/14/2023

Pacifica

50 Y Fly

58.16

B: 48.39 (+9.77s | 16.8%)

50 Y Free

45.18

+0.69s

B: 39.79 (+5.39s | 11.9%)

Pumpkin Spice Latte SC C B A+

11/12/2022

Pacifica

50 Y Breast

1:08.88

B: 54.59 (+14.29s | 20.7%)

25 Y Back

24.53

50 Y Free

44.49

B: 39.79 (+4.70s | 10.6%)

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	SouthWestern Age Group Regional
Free 50 Y	35.23	27.89 (+7.34s \| 20.8%)	26.79 (+8.44s \| 24.0%)	29.99 (+5.24s \| 14.9%)	27.69 (+7.54s \| 21.4%)	26.09 (+9.14s \| 25.9%)	24.89 (+10.34s \| 29.3%)	23.89 (+11.34s \| 32.2%)	23.89 (+11.34s \| 32.2%)	23.29 (+11.94s \| 33.9%)	22.59 (+12.64s \| 35.9%)	22.79 (+12.44s \| 35.3%)	N/A	28.49 (+6.74s \| 19.1%)
Free 100 Y	1:15.27	1:00.49 (+14.78s \| 19.6%)	59.09 (+16.18s \| 21.5%)	1:04.99 (+10.28s \| 13.7%)	59.99 (+15.28s \| 20.3%)	56.59 (+18.68s \| 24.8%)	53.99 (+21.28s \| 28.3%)	51.89 (+23.38s \| 31.1%)	51.89 (+23.38s \| 31.1%)	50.39 (+24.88s \| 33.1%)	49.29 (+25.98s \| 34.5%)	49.69 (+25.58s \| 34.0%)	N/A	1:00.49 (+14.78s \| 19.6%)
Free 500 Y	7:07.80	5:51.39 (+76.41s \| 17.9%)	5:41.89 (+85.91s \| 20.1%)	6:12.69 (+55.11s \| 12.9%)	5:43.99 (+83.81s \| 19.6%)	5:29.09 (+98.71s \| 23.1%)	5:10.69 (+117.11s \| 27.4%)	5:02.59 (+125.21s \| 29.3%)	5:02.59 (+125.21s \| 29.3%)	4:53.09 (+134.71s \| 31.5%)	4:45.99 (+141.81s \| 33.1%)	4:48.09 (+139.71s \| 32.7%)	N/A	5:52.59 (+75.21s \| 17.6%)
Back 50 Y	43.30	31.99 (+11.31s \| 26.1%)	31.09 (+12.21s \| 28.2%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	32.19 (+11.11s \| 25.7%)
Back 100 Y	1:32.07	1:09.39 (+22.68s \| 24.6%)	1:07.49 (+24.58s \| 26.7%)	1:10.79 (+21.28s \| 23.1%)	1:05.39 (+26.68s \| 29.0%)	1:01.39 (+30.68s \| 33.3%)	59.49 (+32.58s \| 35.4%)	57.09 (+34.98s \| 38.0%)	57.09 (+34.98s \| 38.0%)	55.09 (+36.98s \| 40.2%)	53.89 (+38.18s \| 41.5%)	54.49 (+37.58s \| 40.8%)	N/A	1:09.29 (+22.78s \| 24.7%)
Breast 50 Y	51.51	36.09 (+15.42s \| 29.9%)	34.99 (+16.52s \| 32.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.19 (+15.32s \| 29.7%)
Breast 100 Y	1:46.12	1:18.19 (+27.93s \| 26.3%)	1:15.89 (+30.23s \| 28.5%)	1:21.99 (+24.13s \| 22.7%)	1:15.69 (+30.43s \| 28.7%)	1:10.49 (+35.63s \| 33.6%)	1:07.59 (+38.53s \| 36.3%)	1:05.49 (+40.63s \| 38.3%)	1:05.49 (+40.63s \| 38.3%)	1:03.09 (+43.03s \| 40.5%)	1:01.79 (+44.33s \| 41.8%)	1:02.79 (+43.33s \| 40.8%)	N/A	1:18.19 (+27.93s \| 26.3%)
Fly 50 Y	43.27	30.59 (+12.68s \| 29.3%)	29.49 (+13.78s \| 31.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	30.89 (+12.38s \| 28.6%)
Fly 100 Y	1:32.96	1:08.09 (+24.87s \| 26.8%)	1:05.89 (+27.07s \| 29.1%)	1:10.69 (+22.27s \| 24.0%)	1:05.29 (+27.67s \| 29.8%)	1:01.39 (+31.57s \| 34.0%)	59.19 (+33.77s \| 36.3%)	56.59 (+36.37s \| 39.1%)	56.59 (+36.37s \| 39.1%)	54.69 (+38.27s \| 41.2%)	53.49 (+39.47s \| 42.5%)	53.99 (+38.97s \| 41.9%)	N/A	1:08.99 (+23.97s \| 25.8%)
IM 100 Y	1:31.00	1:09.29 (+21.71s \| 23.9%)	1:07.59 (+23.41s \| 25.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:10.09 (+20.91s \| 23.0%)