Sophia Ko

Age: 10 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

Palo Alto Stanford Aquatics

Pacific Swimming

Western Zone

USA

Free 25 Y

32.82

11/19/2022

1,000+

Free 50 Y

39.18

02/13/2026

BB: 35.99 (+3.19s | 8.1%)

414

1,000+

Free 100 Y

1:28.87

Analysis

02/13/2026

BB: 1:21.09 (+7.78s | 8.8%)

363

1,000+

50 Free

41.74

100 Free

47.13

1:28.87

100 Free

1:28.87

Back 25 Y

37.91

11/19/2022

943

1,000+

Back 50 Y

34.77

02/13/2026

AAA: 34.39 (+0.38s | 1.1%)

107

359

Back 100 Y

1:44.93

Analysis

02/13/2026

BB: 1:33.99 (+10.94s | 10.4%)

292

1,000+

Breast 25 Y

29.44

10/26/2024

466

1,000+

Breast 50 Y

55.59

02/13/2026

B: 54.59 (+1.00s | 1.8%)

512

1,000+

Fly 50 Y

50.60

03/07/2026

B: 48.39 (+2.21s | 4.4%)

409

1,000+

Fly 100 Y

1:54.89

Analysis

02/13/2026

BB: 1:41.39 (+13.50s | 11.8%)

166

753

1,000+

50 Fly

52.71

100 Fly

1:02.18

1:54.89

100 Fly

1:54.89

IM 100 Y

1:47.39

Analysis

02/13/2026

B: 1:44.29 (+3.10s | 2.9%)

467

1,000+

50 IM

51.77

100 IM

55.62

1:47.39

100 IM

1:47.39

Long course distance

Event	Time		Age	Date	Next Standard	Palo Alto Stanford Aquatics	Pacific Swimming	Western Zone	USA
Free 50 M	50.04		10	06/27/2025	B: 45.29 (+4.75s \| 9.5%)	26	249	1,000+	1,000+

Back 100 M	2:08.67	Analysis	10	06/27/2025	B: 2:01.59 (+7.08s \| 5.5%)	24	178	756	1,000+

Breast 50 M	1:05.20		10	06/27/2025	B: 1:02.19 (+3.01s \| 4.6%)	23	223	846	1,000+

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	39.18	31.39 (+7.79s \| 19.9%)	30.59 (+8.59s \| 21.9%)	29.99 (+9.19s \| 23.5%)	27.69 (+11.49s \| 29.3%)	26.09 (+13.09s \| 33.4%)	24.89 (+14.29s \| 36.5%)	23.89 (+15.29s \| 39.0%)	23.89 (+15.29s \| 39.0%)	23.29 (+15.89s \| 40.6%)	22.59 (+16.59s \| 42.3%)	22.79 (+16.39s \| 41.8%)	N/A	30.89 (+8.29s \| 21.2%)
Free 100 Y	1:28.87	1:10.49 (+18.38s \| 20.7%)	1:08.09 (+20.78s \| 23.4%)	1:04.99 (+23.88s \| 26.9%)	59.99 (+28.88s \| 32.5%)	56.59 (+32.28s \| 36.3%)	53.99 (+34.88s \| 39.2%)	51.89 (+36.98s \| 41.6%)	51.89 (+36.98s \| 41.6%)	50.39 (+38.48s \| 43.3%)	49.29 (+39.58s \| 44.5%)	49.69 (+39.18s \| 44.1%)	N/A	1:08.19 (+20.68s \| 23.3%)
Back 50 Y	34.77	36.69 33.99 (+0.78s \| 2.2%)	35.49 31.09 (+3.68s \| 10.6%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.49 33.69 (+1.08s \| 3.1%)
Back 100 Y	1:44.93	1:19.29 (+25.64s \| 24.4%)	1:17.09 (+27.84s \| 26.5%)	1:10.79 (+34.14s \| 32.5%)	1:05.39 (+39.54s \| 37.7%)	1:01.39 (+43.54s \| 41.5%)	59.49 (+45.44s \| 43.3%)	57.09 (+47.84s \| 45.6%)	57.09 (+47.84s \| 45.6%)	55.09 (+49.84s \| 47.5%)	53.89 (+51.04s \| 48.6%)	54.49 (+50.44s \| 48.1%)	N/A	1:17.89 (+27.04s \| 25.8%)
Breast 50 Y	55.59	41.69 (+13.90s \| 25.0%)	40.29 (+15.30s \| 27.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+15.20s \| 27.3%)
Fly 50 Y	50.60	36.19 (+14.41s \| 28.5%)	33.99 (+16.61s \| 32.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+15.51s \| 30.7%)
Fly 100 Y	1:54.89	1:24.09 (+30.80s \| 26.8%)	1:20.49 (+34.40s \| 29.9%)	1:10.69 (+44.20s \| 38.5%)	1:05.29 (+49.60s \| 43.2%)	1:01.39 (+53.50s \| 46.6%)	59.19 (+55.70s \| 48.5%)	56.59 (+58.30s \| 50.7%)	56.59 (+58.30s \| 50.7%)	54.69 (+60.20s \| 52.4%)	53.49 (+61.40s \| 53.4%)	53.99 (+60.90s \| 53.0%)	N/A	1:20.19 (+34.70s \| 30.2%)
IM 100 Y	1:47.39	1:20.09 (+27.30s \| 25.4%)	1:17.09 (+30.30s \| 28.2%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+29.70s \| 27.7%)

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

2026 PASA Last Chance For JO S

03/07/2026

Palo Alto

50 Y Fly

50.60

-1.87s (New PB)

B: 48.39 (+2.21s | 4.4%)

100 Y Free

1:33.55

+4.68s

B: 1:30.79 (+2.76s | 3.0%)

34th Annual Lost Dutchman Invitational

02/13/2026

Mesa

100 Y Free

1:28.87

-4.89s (New PB)

BB: 1:21.09 (+7.78s | 8.8%)

50 Free

41.74

100 Free

47.13

1:28.87

100 Free

1:28.87

50 Y Free

39.18

-0.14s (New PB)

BB: 35.99 (+3.19s | 8.1%)

100 Y Fly

1:54.89

-13.87s (New PB)

BB: 1:41.39 (+13.50s | 11.8%)

50 Fly

52.71

100 Fly

1:02.18

1:54.89

100 Fly

1:54.89

50 Y Fly

52.47

-3.34s (New PB)

B: 48.39 (+4.08s | 7.8%)

100 Y Back

1:44.93

BB: 1:33.99 (+10.94s | 10.4%)

50 Y Back

34.77

-10.64s (New PB)

AAA: 34.39 (+0.38s | 1.1%)

100 Y IM

1:47.39

-0.73s (New PB)

B: 1:44.29 (+3.10s | 2.9%)

50 IM

51.77

100 IM

55.62

1:47.39

100 IM

1:47.39

50 Y Breast

55.59

-6.27s (New PB)

B: 54.59 (+1.00s | 1.8%)

2025 PASA Winter Frolic Meet @ PALY HS

12/20/2025

Palo Alto

50 Y Free

39.32

-2.56s (New PB)

BB: 35.99 (+3.33s | 8.5%)

50 Y Back

45.41

-6.99s (New PB)

BB: 43.29 (+2.12s | 4.7%)

100 Y Free

1:33.76

-0.33s (New PB)

B: 1:30.79 (+2.97s | 3.2%)

50 Free

44.38

100 Free

49.38

1:33.76

100 Free

1:33.76

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.