Sophia Ko

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

Pacific Swimming

Palo Alto Stanford Aquatics

Free 25 Y

32.82

11/19/2022

1,000+

108

Free 50 Y

41.88

07/20/2025

B: 39.79 (+2.09s | 5.0%)

641

Free 100 Y

1:34.09

11/15/2025

B: 1:30.79 (+3.30s | 3.5%)

522

Back 25 Y

37.91

11/19/2022

1,000+

Back 50 Y

52.40

10/25/2025

B: 48.59 (+3.81s | 7.3%)

685

Breast 25 Y

29.44

10/26/2024

486

Breast 50 Y

1:01.86

12/21/2024

B: 54.59 (+7.27s | 11.8%)

849

Fly 50 Y

55.81

11/15/2025

B: 48.39 (+7.42s | 13.3%)

597

Fly 100 Y

2:08.76

10/25/2025

B: 1:56.69 (+12.07s | 9.4%)

203

IM 100 Y

1:48.12

07/20/2025

B: 1:44.29 (+3.83s | 3.5%)

539

50 IM

54.98

100 IM

53.14

1:48.12

100 IM

1:48.12

Long course distance

Event	Time	Age	Date	Next Standard	Pacific Swimming	Palo Alto Stanford Aquatics
Free 50 M	50.04	9	06/27/2025	B: 45.29 (+4.75s \| 9.5%)	362	33

Back 100 M	2:08.67	9	06/27/2025	B: 2:01.59 (+7.08s \| 5.5%)	255	29

Breast 50 M	1:05.20	9	06/27/2025	B: 1:02.19 (+3.01s \| 4.6%)	325	29

Above are the fastest times that Sophia Ko has achieved in her swimming career. For each event, you can find Sophia's best time, the corresponding time standard, as well as how much faster Sophia needs to be to reach the next level. The last columns provide Sophia rankings at the team and LSC levels. These rankings are based on the Sophia'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	41.88	31.39 (+10.49s \| 25.0%)	30.59 (+11.29s \| 27.0%)	29.99 (+11.89s \| 28.4%)	27.69 (+14.19s \| 33.9%)	26.09 (+15.79s \| 37.7%)	24.89 (+16.99s \| 40.6%)	23.89 (+17.99s \| 43.0%)	23.89 (+17.99s \| 43.0%)	23.29 (+18.59s \| 44.4%)	22.59 (+19.29s \| 46.1%)	22.79 (+19.09s \| 45.6%)	N/A	30.89 (+10.99s \| 26.2%)
Free 100 Y	1:34.09	1:10.49 (+23.60s \| 25.1%)	1:08.09 (+26.00s \| 27.6%)	1:04.99 (+29.10s \| 30.9%)	59.99 (+34.10s \| 36.2%)	56.59 (+37.50s \| 39.9%)	53.99 (+40.10s \| 42.6%)	51.89 (+42.20s \| 44.9%)	51.89 (+42.20s \| 44.9%)	50.39 (+43.70s \| 46.4%)	49.29 (+44.80s \| 47.6%)	49.69 (+44.40s \| 47.2%)	N/A	1:08.19 (+25.90s \| 27.5%)
Back 50 Y	52.40	36.69 (+15.71s \| 30.0%)	35.49 (+16.91s \| 32.3%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+15.91s \| 30.4%)
Breast 50 Y	1:01.86	41.69 (+20.17s \| 32.6%)	40.29 (+21.57s \| 34.9%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+21.47s \| 34.7%)
Fly 50 Y	55.81	36.19 (+19.62s \| 35.2%)	33.99 (+21.82s \| 39.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+20.72s \| 37.1%)
Fly 100 Y	2:08.76	1:24.09 (+44.67s \| 34.7%)	1:20.49 (+48.27s \| 37.5%)	1:10.69 (+58.07s \| 45.1%)	1:05.29 (+63.47s \| 49.3%)	1:01.39 (+67.37s \| 52.3%)	59.19 (+69.57s \| 54.0%)	56.59 (+72.17s \| 56.1%)	56.59 (+72.17s \| 56.1%)	54.69 (+74.07s \| 57.5%)	53.49 (+75.27s \| 58.5%)	53.99 (+74.77s \| 58.1%)	N/A	1:20.19 (+48.57s \| 37.7%)
IM 100 Y	1:48.12	1:20.09 (+28.03s \| 25.9%)	1:17.09 (+31.03s \| 28.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+30.43s \| 28.1%)

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	50.04	35.59 (+14.45s \| 28.9%)	34.79 (+15.25s \| 30.5%)	34.29 (+15.75s \| 31.5%)	31.69 (+18.35s \| 36.7%)	29.89 (+20.15s \| 40.3%)	28.69 (+21.35s \| 42.7%)	27.39 (+22.65s \| 45.3%)	27.39 (+22.65s \| 45.3%)	26.89 (+23.15s \| 46.3%)	26.29 (+23.75s \| 47.5%)	26.59 (+23.45s \| 46.9%)	N/A	25.69 (+24.35s \| 48.7%)	35.19 (+14.85s \| 29.7%)
Back 100 M	2:08.67	1:32.69 (+35.98s \| 28.0%)	1:26.79 (+41.88s \| 32.5%)	1:22.29 (+46.38s \| 36.0%)	1:15.99 (+52.68s \| 40.9%)	1:11.79 (+56.88s \| 44.2%)	1:09.49 (+59.18s \| 46.0%)	1:06.79 (+61.88s \| 48.1%)	1:06.79 (+61.88s \| 48.1%)	1:04.79 (+63.88s \| 49.6%)	1:03.69 (+64.98s \| 50.5%)	1:04.39 (+64.28s \| 50.0%)	N/A	1:01.89 (+66.78s \| 51.9%)	1:30.29 (+38.38s \| 29.8%)
Breast 50 M	1:05.20	47.49 (+17.71s \| 27.2%)	45.89 (+19.31s \| 29.6%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.19 (+19.01s \| 29.2%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

De Anza Cupertino Aquatics CBA+ Meet

11/15/2025

Satatoga

50 Y Fly

55.81

-5.46s (New PB)

B: 48.39 (+7.42s | 13.3%)

100 Y Free

1:34.09

-0.85s (New PB)

B: 1:30.79 (+3.30s | 3.5%)

50 Y Back

53.42

+1.02s

B: 48.59 (+4.83s | 9.0%)

TYR BAC SPOOKY FALL CLASSIC

10/25/2025

Burlingame

100 Y Fly

2:08.76

B: 1:56.69 (+12.07s | 9.4%)

50 Y Back

52.40

-7.31s (New PB)

B: 48.59 (+3.81s | 7.3%)

100 Y Free

1:34.94

-9.28s (New PB)

B: 1:30.79 (+4.15s | 4.4%)

2025 PASA Summer Palooza

07/20/2025

palo alto

50 Y Free

41.88

-3.76s (New PB)

B: 39.79 (+2.09s | 5.0%)

100 Y IM

1:48.12

-12.19s (New PB)

B: 1:44.29 (+3.83s | 3.5%)

50 IM

54.98

100 IM

53.14

1:48.12

100 IM

1:48.12

Silicon Valley LC CBA+ Meet

06/27/2025

Sunnyvale

100 M Back

2:08.67

B: 2:01.59 (+7.08s | 5.5%)

50 M Free

50.04

B: 45.29 (+4.75s | 9.5%)

50 M Breast

1:05.20

B: 1:02.19 (+3.01s | 4.6%)

2024 PASA Winter Frolic Meet @ PALY HS

12/21/2024

Palo Alto

50 Y Free

45.64

-0.14s (New PB)

B: 39.79 (+5.85s | 12.8%)

100 Y IM

2:00.31

B: 1:44.29 (+16.02s | 13.3%)

50 IM

57.43

100 IM

1:02.88

2:00.31

100 IM

2:00.31

50 Y Breast

1:01.86

-1.42s (New PB)

B: 54.59 (+7.27s | 11.8%)

TYR BAC Spooky Fall Classic C B A+ Meet

10/26/2024

Burlingame

25 Y Breast

29.44

50 Y Back

1:00.21

+0.50s

B: 48.59 (+11.62s | 19.3%)

50 Y Breast

1:03.28

-0.96s (New PB)

B: 54.59 (+8.69s | 13.7%)

100 Y Free

1:44.22

B: 1:30.79 (+13.43s | 12.9%)

50 Y Free

45.78

-3.67s (New PB)

B: 39.79 (+5.99s | 13.1%)

50 Y Fly

1:01.27

B: 48.39 (+12.88s | 21.0%)

2024 PASA Summer Palooza

07/21/2024

Atherton

50 Y Breast

1:04.24

B: 54.59 (+9.65s | 15.0%)

50 Y Back

59.71

B: 48.59 (+11.12s | 18.6%)

50 Y Free

49.45

B: 39.79 (+9.66s | 19.5%)

PASA 2022 Fall Candy Meet Champs

11/19/2022

Palo Alto

25 Y Free

32.82

25 Y Back

37.91

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.