Roselyn Bao

Age: 12 years old
Age Category: 11-12
Team: Pleasanton Seahawks | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pleasanton Seahawks

Pacific Swimming

Western Zone

USA

Free 50 Y

33.04

10/18/2025

BB: 31.69 (+1.35s | 4.1%)

Rankings

Free 100 Y

1:09.25

Analysis

07/25/2026

A: 1:03.99 (+5.26s | 7.6%)

Rankings

Back 50 Y

37.02

07/25/2026

BB: 35.99 (+1.03s | 2.8%)

Rankings

Breast 50 Y

42.96

11/15/2025

BB: 40.89 (+2.07s | 4.8%)

Rankings

Breast 100 Y

1:29.77

Analysis

11/15/2025

BB: 1:29.29 (+0.48s | 0.5%)

Rankings

50 Breast

43.82

100 Breast

45.95

1:29.77

100 Breast

1:29.77

Fly 50 Y

35.04

07/25/2026

BB: 34.29 (+0.75s | 2.1%)

Rankings

Fly 100 Y

1:32.11

Analysis

03/01/2025

B: 1:25.79 (+6.32s | 6.9%)

Rankings

IM 100 Y

1:27.19

Analysis

12/14/2024

B: 1:25.19 (+2.00s | 2.3%)

Rankings

IM 200 Y

2:49.62

Analysis

10/18/2025

A: 2:37.59 (+12.03s | 7.1%)

Rankings

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Pleasanton Seahawks	Pacific Swimming	Western Zone	USA

Above are the fastest times that Roselyn Bao has achieved in her swimming career. For each event, you can find Roselyn's best time, the corresponding time standard, as well as how much faster Roselyn needs to be to reach the next level. The last columns provide Roselyn rankings at the team and LSC levels. These rankings are based on the Roselyn'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
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	33.04	27.89 (+5.15s \| 15.6%)	27.39 (+5.65s \| 17.1%) 27.89 (+5.15s \| 15.6%)	29.49 (+3.55s \| 10.7%)	27.29 (+5.75s \| 17.4%)	26.09 (+6.95s \| 21.0%)	24.89 (+8.15s \| 24.7%) 25.69 (+7.35s \| 22.2%)	23.89 (+9.15s \| 27.7%)	23.89 (+9.15s \| 27.7%)	23.29 (+9.75s \| 29.5%)	22.49 (+10.55s \| 31.9%)	22.79 (+10.25s \| 31.0%)
Free 100 Y	1:09.25	1:00.49 (+8.76s \| 12.6%)	59.59 (+9.66s \| 13.9%) 1:00.49 (+8.76s \| 12.6%)	1:03.79 (+5.46s \| 7.9%)	58.89 (+10.36s \| 15.0%)	56.49 (+12.76s \| 18.4%)	53.99 (+15.26s \| 22.0%) 55.49 (+13.76s \| 19.9%)	51.89 (+17.36s \| 25.1%)	51.89 (+17.36s \| 25.1%)	50.39 (+18.86s \| 27.2%)	48.99 (+20.26s \| 29.3%)	49.69 (+19.56s \| 28.2%)
Back 50 Y	37.02	31.99 (+5.03s \| 13.6%)	31.59 (+5.43s \| 14.7%) 31.99 (+5.03s \| 13.6%)	N/A	N/A	N/A	27.59 (+9.43s \| 25.5%) 28.29 (+8.73s \| 23.6%)	N/A	N/A	N/A	24.39 (+12.63s \| 34.1%)	N/A
Breast 50 Y	42.96	36.09 (+6.87s \| 16.0%)	35.59 (+7.37s \| 17.2%) 36.09 (+6.87s \| 16.0%)	N/A	N/A	N/A	30.99 (+11.97s \| 27.9%) 31.89 (+11.07s \| 25.8%)	N/A	N/A	N/A	27.99 (+14.97s \| 34.8%)	N/A
Breast 100 Y	1:29.77	1:18.19 (+11.58s \| 12.9%)	1:17.09 (+12.68s \| 14.1%) 1:18.19 (+11.58s \| 12.9%)	1:19.79 (+9.98s \| 11.1%)	1:13.69 (+16.08s \| 17.9%)	1:10.59 (+19.18s \| 21.4%)	1:07.59 (+22.18s \| 24.7%) 1:09.49 (+20.28s \| 22.6%)	1:05.49 (+24.28s \| 27.0%)	1:05.49 (+24.28s \| 27.0%)	1:03.09 (+26.68s \| 29.7%)	1:00.79 (+28.98s \| 32.3%)	1:02.79 (+26.98s \| 30.1%)
Fly 50 Y	35.04	30.59 (+4.45s \| 12.7%)	29.79 (+5.25s \| 15.0%) 30.59 (+4.45s \| 12.7%)	N/A	N/A	N/A	27.09 (+7.95s \| 22.7%) 27.69 (+7.35s \| 21.0%)	N/A	N/A	N/A	24.09 (+10.95s \| 31.2%)	N/A
Fly 100 Y	1:32.11	1:08.09 (+24.02s \| 26.1%)	1:06.79 (+25.32s \| 27.5%) 1:08.09 (+24.02s \| 26.1%)	1:09.09 (+23.02s \| 25.0%)	1:03.79 (+28.32s \| 30.7%)	1:01.09 (+31.02s \| 33.7%)	59.19 (+32.92s \| 35.7%) 1:00.89 (+31.22s \| 33.9%)	56.59 (+35.52s \| 38.6%)	56.59 (+35.52s \| 38.6%)	54.69 (+37.42s \| 40.6%)	52.79 (+39.32s \| 42.7%)	53.99 (+38.12s \| 41.4%)
IM 100 Y	1:27.19	1:09.99 (+17.20s \| 19.7%)	1:08.49 (+18.70s \| 21.4%) 1:09.99 (+17.20s \| 19.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
IM 200 Y	2:49.62	2:28.39 (+21.23s \| 12.5%)	2:26.79 (+22.83s \| 13.5%) 2:28.39 (+21.23s \| 12.5%)	2:34.29 (+15.33s \| 9.0%)	2:22.39 (+27.23s \| 16.1%)	2:16.49 (+33.13s \| 19.5%)	2:10.49 (+39.13s \| 23.1%) 2:14.19 (+35.43s \| 20.9%)	2:06.39 (+43.23s \| 25.5%)	2:06.39 (+43.23s \| 25.5%)	2:02.19 (+47.43s \| 28.0%)	1:58.39 (+51.23s \| 30.2%)	2:00.59 (+49.03s \| 28.9%)

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

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

Zone 2 Summer Championships

07/25/2026

Hayward

50 Y Back

37.02

-2.39s (New PB)

BB: 35.99 (+1.03s | 2.8%)

100 Y Free

1:09.25

-2.29s (New PB)

A: 1:03.99 (+5.26s | 7.6%)

50 Y Fly

35.04

-1.18s (New PB)

BB: 34.29 (+0.75s | 2.1%)

Alto Nov 15 16 Fall Frolic

11/15/2025

Palo Alto

50 Y Fly

36.22

-4.72s (New PB)

BB: 34.29 (+1.93s | 5.3%)

50 Y Breast

42.96

-2.86s (New PB)

BB: 40.89 (+2.07s | 4.8%)

100 Y Breast

1:29.77

-0.49s (New PB)

BB: 1:29.29 (+0.48s | 0.5%)

50 Breast

43.82

100 Breast

45.95

1:29.77

100 Breast

1:29.77

PC SRVA SCY B BB+ Meet

10/18/2025

San Ramon

100 Y Breast

1:30.26

BB: 1:29.29 (+0.97s | 1.1%)

50 Y Free

33.04

-3.31s (New PB)

BB: 31.69 (+1.35s | 4.1%)

50 Y Back

39.41

-0.80s (New PB)

B: 38.79 (+0.62s | 1.6%)

200 Y IM

2:49.62

-17.52s (New PB)

A: 2:37.59 (+12.03s | 7.1%)

100 Y Free

1:11.54

-6.76s (New PB)

BB: 1:09.39 (+2.15s | 3.0%)

PC SRVA SCY B BB+ Last Chance Meet

03/01/2025

San Ramon

50 Y Fly

40.94

-0.78s (New PB)

A: 36.99 (+3.95s | 9.6%)

100 Y Fly

1:32.11

A: 1:26.09 (+6.02s | 6.5%)

100 Y Free

1:18.30

-1.59s (New PB)

A: 1:11.49 (+6.81s | 8.7%)

50 Y Back

40.41

+0.20s

A: 37.99 (+2.42s | 6.0%)

50 Y Free

37.28

+0.93s

BB: 35.99 (+1.29s | 3.5%)

50 Y Breast

45.90

+0.08s

A: 42.79 (+3.11s | 6.8%)

100 Y IM

1:27.49

+0.30s

A: 1:22.09 (+5.40s | 6.2%)

200 Y IM

3:07.14

A: 2:55.49 (+11.65s | 6.2%)

Zone 2 Winter Championship Meet

02/01/2025

Hayward

50 Y Back

41.42

+1.21s

A: 37.99 (+3.43s | 8.3%)

100 Y IM

1:29.93

+2.74s

A: 1:22.09 (+7.84s | 8.7%)

50 Y Free

37.06

+0.71s

BB: 35.99 (+1.07s | 2.9%)

50 Y Breast

45.82

-0.19s (New PB)

A: 42.79 (+3.03s | 6.6%)

100 Y Free

1:22.11

+2.22s

BB: 1:21.09 (+1.02s | 1.2%)

50 Y Fly

43.33

+1.61s

BB: 42.69 (+0.64s | 1.5%)

2024 12 14 CDST SC C B BB+ Meet

12/14/2024

Fremont

100 Y Free

1:19.89

-8.41s (New PB)

A: 1:11.49 (+8.40s | 10.5%)

100 Y IM

1:27.19

-10.90s (New PB)

A: 1:22.09 (+5.10s | 5.8%)

50 Y Fly

41.72

A: 36.99 (+4.73s | 11.3%)

50 Y Breast

46.01

-5.11s (New PB)

A: 42.79 (+3.22s | 7.0%)

50 Y Back

40.21

-5.16s (New PB)

A: 37.99 (+2.22s | 5.5%)

50 Y Free

36.35

-5.36s (New PB)

BB: 35.99 (+0.36s | 1.0%)

Zone 2 Summer Championships

07/20/2024

hayward

50 Y Back

45.37

BB: 43.29 (+2.08s | 4.6%)

100 Y IM

1:38.09

BB: 1:33.19 (+4.90s | 5.0%)

50 IM

44.60

100 IM

53.49

1:38.09

100 IM

1:38.09

50 Y Breast

51.12

BB: 48.69 (+2.43s | 4.8%)

50 Y Free

41.71

B: 39.79 (+1.92s | 4.6%)

100 Y Free

1:28.30

BB: 1:21.09 (+7.21s | 8.2%)

50 Free

40.91

100 Free

47.39

1:28.30

100 Free

1:28.30

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
Free 50 Y	33.04	27.89 (+5.15s \| 15.6%)	27.39 (+5.65s \| 17.1%) 27.89 (+5.15s \| 15.6%)	29.49 (+3.55s \| 10.7%)	27.29 (+5.75s \| 17.4%)	26.09 (+6.95s \| 21.0%)	24.89 (+8.15s \| 24.7%) 25.69 (+7.35s \| 22.2%)	23.89 (+9.15s \| 27.7%)	23.89 (+9.15s \| 27.7%)	23.29 (+9.75s \| 29.5%)	22.49 (+10.55s \| 31.9%)	22.79 (+10.25s \| 31.0%)
Free 100 Y	1:09.25	1:00.49 (+8.76s \| 12.6%)	59.59 (+9.66s \| 13.9%) 1:00.49 (+8.76s \| 12.6%)	1:03.79 (+5.46s \| 7.9%)	58.89 (+10.36s \| 15.0%)	56.49 (+12.76s \| 18.4%)	53.99 (+15.26s \| 22.0%) 55.49 (+13.76s \| 19.9%)	51.89 (+17.36s \| 25.1%)	51.89 (+17.36s \| 25.1%)	50.39 (+18.86s \| 27.2%)	48.99 (+20.26s \| 29.3%)	49.69 (+19.56s \| 28.2%)
Back 50 Y	37.02	31.99 (+5.03s \| 13.6%)	31.59 (+5.43s \| 14.7%) 31.99 (+5.03s \| 13.6%)	N/A	N/A	N/A	27.59 (+9.43s \| 25.5%) 28.29 (+8.73s \| 23.6%)	N/A	N/A	N/A	24.39 (+12.63s \| 34.1%)	N/A
Breast 50 Y	42.96	36.09 (+6.87s \| 16.0%)	35.59 (+7.37s \| 17.2%) 36.09 (+6.87s \| 16.0%)	N/A	N/A	N/A	30.99 (+11.97s \| 27.9%) 31.89 (+11.07s \| 25.8%)	N/A	N/A	N/A	27.99 (+14.97s \| 34.8%)	N/A
Breast 100 Y	1:29.77	1:18.19 (+11.58s \| 12.9%)	1:17.09 (+12.68s \| 14.1%) 1:18.19 (+11.58s \| 12.9%)	1:19.79 (+9.98s \| 11.1%)	1:13.69 (+16.08s \| 17.9%)	1:10.59 (+19.18s \| 21.4%)	1:07.59 (+22.18s \| 24.7%) 1:09.49 (+20.28s \| 22.6%)	1:05.49 (+24.28s \| 27.0%)	1:05.49 (+24.28s \| 27.0%)	1:03.09 (+26.68s \| 29.7%)	1:00.79 (+28.98s \| 32.3%)	1:02.79 (+26.98s \| 30.1%)
Fly 50 Y	35.04	30.59 (+4.45s \| 12.7%)	29.79 (+5.25s \| 15.0%) 30.59 (+4.45s \| 12.7%)	N/A	N/A	N/A	27.09 (+7.95s \| 22.7%) 27.69 (+7.35s \| 21.0%)	N/A	N/A	N/A	24.09 (+10.95s \| 31.2%)	N/A
Fly 100 Y	1:32.11	1:08.09 (+24.02s \| 26.1%)	1:06.79 (+25.32s \| 27.5%) 1:08.09 (+24.02s \| 26.1%)	1:09.09 (+23.02s \| 25.0%)	1:03.79 (+28.32s \| 30.7%)	1:01.09 (+31.02s \| 33.7%)	59.19 (+32.92s \| 35.7%) 1:00.89 (+31.22s \| 33.9%)	56.59 (+35.52s \| 38.6%)	56.59 (+35.52s \| 38.6%)	54.69 (+37.42s \| 40.6%)	52.79 (+39.32s \| 42.7%)	53.99 (+38.12s \| 41.4%)
IM 100 Y	1:27.19	1:09.99 (+17.20s \| 19.7%)	1:08.49 (+18.70s \| 21.4%) 1:09.99 (+17.20s \| 19.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
IM 200 Y	2:49.62	2:28.39 (+21.23s \| 12.5%)	2:26.79 (+22.83s \| 13.5%) 2:28.39 (+21.23s \| 12.5%)	2:34.29 (+15.33s \| 9.0%)	2:22.39 (+27.23s \| 16.1%)	2:16.49 (+33.13s \| 19.5%)	2:10.49 (+39.13s \| 23.1%) 2:14.19 (+35.43s \| 20.9%)	2:06.39 (+43.23s \| 25.5%)	2:06.39 (+43.23s \| 25.5%)	2:02.19 (+47.43s \| 28.0%)	1:58.39 (+51.23s \| 30.2%)	2:00.59 (+49.03s \| 28.9%)