William Zhao

Age: 9 years old
Age Category: 10 & under
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event	Time	Age	Date	Next Standard	Pacific Swimming	Palo Alto Stanford Aquatics
Free 25 Y	35.31	7	03/23/2024		1,000+	118

Free 50 Y	41.33	9	10/25/2025	B: 38.19 (+3.14s \| 7.6%)	569	37

Back 50 Y	1:03.87	8	10/05/2024	B: 48.29 (+15.58s \| 24.4%)	970	76

Back 100 Y	1:40.96	9	10/25/2025	B: 1:40.69 (+0.27s \| 0.3%)	221	23

Fly 25 Y	33.52	8	10/05/2024		570	52

Fly 50 Y	50.00	9	10/25/2025	B: 46.49 (+3.51s \| 7.0%)	360	26

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Swimming

Palo Alto Stanford Aquatics

Free 50 M

1:00.05

05/18/2024

B: 43.89 (+16.16s | 26.9%)

561

Free 100 M

2:00.08

05/17/2025

B: 1:40.99 (+19.09s | 15.9%)

430

50 Free

58.89

100 Free

1:01.19

2:00.08

100 Free

2:00.08

Back 50 M

59.76

05/17/2025

B: 55.39 (+4.37s | 7.3%)

381

Breast 50 M

1:17.71

05/18/2024

B: 1:00.89 (+16.82s | 21.6%)

497

Fly 50 M

58.66

05/17/2025

B: 52.29 (+6.37s | 10.9%)

220

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

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	41.33	30.99 (+10.34s \| 25.0%)	30.19 (+11.14s \| 27.0%)	26.89 (+14.44s \| 34.9%)	24.79 (+16.54s \| 40.0%)	23.29 (+18.04s \| 43.6%)	22.19 (+19.14s \| 46.3%)	21.29 (+20.04s \| 48.5%)	21.29 (+20.04s \| 48.5%)	20.59 (+20.74s \| 50.2%)	20.09 (+21.24s \| 51.4%)	20.39 (+20.94s \| 50.7%)	N/A	30.49 (+10.84s \| 26.2%)
Back 50 Y	1:03.87	36.99 (+26.88s \| 42.1%)	35.79 (+28.08s \| 44.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+27.58s \| 43.2%)
Back 100 Y	1:40.96	1:18.89 (+22.07s \| 21.9%)	1:17.09 (+23.87s \| 23.6%)	1:04.69 (+36.27s \| 35.9%)	59.79 (+41.17s \| 40.8%)	55.99 (+44.97s \| 44.5%)	53.89 (+47.07s \| 46.6%)	51.49 (+49.47s \| 49.0%)	51.49 (+49.47s \| 49.0%)	49.39 (+51.57s \| 51.1%)	47.59 (+53.37s \| 52.9%)	48.89 (+52.07s \| 51.6%)	N/A	1:16.59 (+24.37s \| 24.1%)
Fly 50 Y	50.00	35.39 (+14.61s \| 29.2%)	33.99 (+16.01s \| 32.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+15.31s \| 30.6%)

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	1:00.05	35.49 (+24.56s \| 40.9%)	34.39 (+25.66s \| 42.7%)	30.19 (+29.86s \| 49.7%)	27.89 (+32.16s \| 53.6%)	26.79 (+33.26s \| 55.4%)	25.89 (+34.16s \| 56.9%)	24.59 (+35.46s \| 59.1%)	24.59 (+35.46s \| 59.1%)	24.29 (+35.76s \| 59.6%)	23.39 (+36.66s \| 61.0%)	23.79 (+36.26s \| 60.4%)	N/A	22.79 (+37.26s \| 62.0%)	34.59 (+25.46s \| 42.4%)
Free 100 M	2:00.08	1:19.49 (+40.59s \| 33.8%)	1:17.09 (+42.99s \| 35.8%)	1:07.39 (+52.69s \| 43.9%)	1:02.19 (+57.89s \| 48.2%)	59.19 (+60.89s \| 50.7%)	56.09 (+63.99s \| 53.3%)	53.59 (+66.49s \| 55.4%)	53.59 (+66.49s \| 55.4%)	52.59 (+67.49s \| 56.2%)	50.99 (+69.09s \| 57.5%)	51.99 (+68.09s \| 56.7%)	N/A	49.99 (+70.09s \| 58.4%)	1:16.89 (+43.19s \| 36.0%)
Back 50 M	59.76	42.99 (+16.77s \| 28.1%)	40.79 (+18.97s \| 31.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+18.17s \| 30.4%)
Breast 50 M	1:17.71	46.99 (+30.72s \| 39.5%)	45.59 (+32.12s \| 41.3%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.29 (+31.42s \| 40.4%)
Fly 50 M	58.66	40.19 (+18.47s \| 31.5%)	38.49 (+20.17s \| 34.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	39.19 (+19.47s \| 33.2%)

Progression

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

50 Y Fly

50.00

B: 46.49 (+3.51s | 7.0%)

50 Y Free

41.33

B: 38.19 (+3.14s | 7.6%)

100 Y Back

1:40.96

B: 1:40.69 (+0.27s | 0.3%)

2025 LAMV SCM C B A+

05/17/2025

Mountain View

100 M Free

2:00.08

B: 1:40.99 (+19.09s | 15.9%)

50 Free

58.89

100 Free

1:01.19

2:00.08

100 Free

2:00.08

50 M Back

59.76

-7.14s (New PB)

B: 55.39 (+4.37s | 7.3%)

50 M Fly

58.66

B: 52.29 (+6.37s | 10.9%)

2024 DACA CBA SC Meet

10/05/2024

Cupertino

25 Y Fly

33.52

-0.62s (New PB)

50 Y Back

1:03.87

B: 48.29 (+15.58s | 24.4%)

PASA Mayhem LCM Meet

05/18/2024

San Jose

50 M Free

1:00.05

B: 43.89 (+16.16s | 26.9%)

50 M Back

1:06.90

B: 55.39 (+11.51s | 17.2%)

50 M Breast

1:17.71

B: 1:00.89 (+16.82s | 21.6%)

Los Altos Mountain View AC C B A+

03/23/2024

Mountain View

25 Y Fly

34.14

25 Y Free

35.31

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