Stella Zhao

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 50 Y

34.45

12/20/2025

A: 32.09 (+2.36s | 6.9%)

169

701

1,000+

Free 100 Y

1:17.12

01/24/2026

A: 1:11.49 (+5.63s | 7.3%)

152

654

1,000+

50 Free

36.38

100 Free

40.74

1:17.12

100 Free

1:17.12

Free 200 Y

2:59.58

10/25/2025

A: 2:38.39 (+21.19s | 11.8%)

148

682

1,000+

50 Free

39.86

100 Free

46.41

1:26.27

100 Free

1:26.27

150 Free

48.45

2:14.72

200 Free

44.86

2:59.58

100 Free

1:33.31

Back 25 Y

22.12

10/26/2024

171

495

1,000+

Back 50 Y

39.82

02/07/2026

A: 37.99 (+1.83s | 4.6%)

127

514

1,000+

Back 100 Y

1:28.95

03/22/2025

A: 1:22.29 (+6.66s | 7.5%)

117

584

1,000+

50 Back

44.04

100 Back

44.91

1:28.95

100 Back

1:28.95

Breast 25 Y

26.66

10/26/2024

297

712

1,000+

Breast 50 Y

50.42

01/10/2026

BB: 48.69 (+1.73s | 3.4%)

363

1,000+

Breast 100 Y

1:43.45

10/25/2025

A: 1:33.59 (+9.86s | 9.5%)

198

749

1,000+

Fly 25 Y

23.92

10/26/2024

299

752

1,000+

Fly 50 Y

41.72

10/25/2025

A: 36.99 (+4.73s | 11.3%)

217

742

1,000+

IM 100 Y

1:26.06

12/20/2025

A: 1:22.09 (+3.97s | 4.6%)

135

463

1,000+

50 IM

40.43

100 IM

45.63

1:26.06

100 IM

1:26.06

Long course distance

Event	Time	Age	Date	Standard	Next Standard	Palo Alto Stanford Aquatics	Pacific Swimming	Western Zone	USA
Free 50 M	42.12	9	06/06/2025	B	BB: 40.89 (+1.23s \| 2.9%)	14	140	477	898

Free 100 M	1:33.63	9	06/27/2025	B	BB: 1:32.99 (+0.64s \| 0.7%)	11	115	378	686

Back 50 M	48.03	9	06/06/2025	BB	A: 43.59 (+4.44s \| 9.2%)	8	90	327	607

Back 100 M	1:39.07	9	06/06/2025	BB	A: 1:34.59 (+4.48s \| 4.5%)	5	50	184	316

Breast 50 M	53.65	9	05/17/2025	BB	A: 48.79 (+4.86s \| 9.1%)	8	82	273	447

Fly 50 M	48.30	9	05/17/2025	B	BB: 48.09 (+0.21s \| 0.4%)	11	98	326	542

Above are the fastest times that Stella Zhao has achieved in her swimming career. For each event, you can find Stella's best time, the corresponding time standard, as well as how much faster Stella needs to be to reach the next level. The last columns provide Stella rankings at the team and LSC levels. These rankings are based on the Stella'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	34.45	31.39 (+3.06s \| 8.9%)	30.59 (+3.86s \| 11.2%)	29.99 (+4.46s \| 12.9%)	27.69 (+6.76s \| 19.6%)	26.09 (+8.36s \| 24.3%)	24.89 (+9.56s \| 27.8%)	23.89 (+10.56s \| 30.7%)	23.89 (+10.56s \| 30.7%)	23.29 (+11.16s \| 32.4%)	22.59 (+11.86s \| 34.4%)	22.79 (+11.66s \| 33.8%)	N/A	30.89 (+3.56s \| 10.3%)
Free 100 Y	1:17.12	1:10.49 (+6.63s \| 8.6%)	1:08.09 (+9.03s \| 11.7%)	1:04.99 (+12.13s \| 15.7%)	59.99 (+17.13s \| 22.2%)	56.59 (+20.53s \| 26.6%)	53.99 (+23.13s \| 30.0%)	51.89 (+25.23s \| 32.7%)	51.89 (+25.23s \| 32.7%)	50.39 (+26.73s \| 34.7%)	49.29 (+27.83s \| 36.1%)	49.69 (+27.43s \| 35.6%)	N/A	1:08.19 (+8.93s \| 11.6%)
Free 200 Y	2:59.58	2:35.59 (+23.99s \| 13.4%)	2:29.49 (+30.09s \| 16.8%)	2:19.99 (+39.59s \| 22.0%)	2:09.29 (+50.29s \| 28.0%)	2:02.69 (+56.89s \| 31.7%)	1:56.29 (+63.29s \| 35.2%)	1:52.89 (+66.69s \| 37.1%)	1:52.29 (+67.29s \| 37.5%)	1:49.09 (+70.49s \| 39.3%)	1:46.69 (+72.89s \| 40.6%)	1:47.39 (+72.19s \| 40.2%)	N/A	2:29.09 (+30.49s \| 17.0%)
Back 50 Y	39.82	36.69 (+3.13s \| 7.9%)	35.49 (+4.33s \| 10.9%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+3.33s \| 8.4%)
Back 100 Y	1:28.95	1:19.29 (+9.66s \| 10.9%)	1:17.09 (+11.86s \| 13.3%)	1:10.79 (+18.16s \| 20.4%)	1:05.39 (+23.56s \| 26.5%)	1:01.39 (+27.56s \| 31.0%)	59.49 (+29.46s \| 33.1%)	57.09 (+31.86s \| 35.8%)	57.09 (+31.86s \| 35.8%)	55.09 (+33.86s \| 38.1%)	53.89 (+35.06s \| 39.4%)	54.49 (+34.46s \| 38.7%)	N/A	1:17.89 (+11.06s \| 12.4%)
Breast 50 Y	50.42	41.69 (+8.73s \| 17.3%)	40.29 (+10.13s \| 20.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+10.03s \| 19.9%)
Breast 100 Y	1:43.45	1:31.89 (+11.56s \| 11.2%)	1:28.99 (+14.46s \| 14.0%)	1:21.99 (+21.46s \| 20.7%)	1:15.69 (+27.76s \| 26.8%)	1:10.49 (+32.96s \| 31.9%)	1:07.59 (+35.86s \| 34.7%)	1:05.49 (+37.96s \| 36.7%)	1:05.49 (+37.96s \| 36.7%)	1:03.09 (+40.36s \| 39.0%)	1:01.79 (+41.66s \| 40.3%)	1:02.79 (+40.66s \| 39.3%)	N/A	1:27.99 (+15.46s \| 14.9%)
Fly 50 Y	41.72	36.19 (+5.53s \| 13.3%)	33.99 (+7.73s \| 18.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+6.63s \| 15.9%)
IM 100 Y	1:26.06	1:20.09 (+5.97s \| 6.9%)	1:17.09 (+8.97s \| 10.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+8.37s \| 9.7%)

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	42.12	35.59 (+6.53s \| 15.5%)	34.79 (+7.33s \| 17.4%)	34.29 (+7.83s \| 18.6%)	31.69 (+10.43s \| 24.8%)	29.89 (+12.23s \| 29.0%)	28.69 (+13.43s \| 31.9%)	27.39 (+14.73s \| 35.0%)	27.39 (+14.73s \| 35.0%)	26.89 (+15.23s \| 36.2%)	26.29 (+15.83s \| 37.6%)	26.59 (+15.53s \| 36.9%)	N/A	25.69 (+16.43s \| 39.0%)	35.19 (+6.93s \| 16.5%)
Free 100 M	1:33.63	1:20.19 (+13.44s \| 14.4%)	1:17.59 (+16.04s \| 17.1%)	1:14.09 (+19.54s \| 20.9%)	1:08.39 (+25.24s \| 27.0%)	1:04.99 (+28.64s \| 30.6%)	1:01.89 (+31.74s \| 33.9%)	59.29 (+34.34s \| 36.7%)	59.29 (+34.34s \| 36.7%)	58.19 (+35.44s \| 37.9%)	56.99 (+36.64s \| 39.1%)	57.59 (+36.04s \| 38.5%)	N/A	55.79 (+37.84s \| 40.4%)	1:17.49 (+16.14s \| 17.2%)
Back 50 M	48.03	42.89 (+5.14s \| 10.7%)	40.49 (+7.54s \| 15.7%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	41.79 (+6.24s \| 13.0%)
Back 100 M	1:39.07	1:32.69 (+6.38s \| 6.4%)	1:26.79 (+12.28s \| 12.4%)	1:22.29 (+16.78s \| 16.9%)	1:15.99 (+23.08s \| 23.3%)	1:11.79 (+27.28s \| 27.5%)	1:09.49 (+29.58s \| 29.9%)	1:06.79 (+32.28s \| 32.6%)	1:06.79 (+32.28s \| 32.6%)	1:04.79 (+34.28s \| 34.6%)	1:03.69 (+35.38s \| 35.7%)	1:04.39 (+34.68s \| 35.0%)	N/A	1:01.89 (+37.18s \| 37.5%)	1:30.29 (+8.78s \| 8.9%)
Breast 50 M	53.65	47.49 (+6.16s \| 11.5%)	45.89 (+7.76s \| 14.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.19 (+7.46s \| 13.9%)
Fly 50 M	48.30	40.79 (+7.51s \| 15.5%)	38.49 (+9.81s \| 20.3%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	39.69 (+8.61s \| 17.8%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

PASA CBA+ SCY Meet Feb 2026

02/07/2026

Palo Alto

50 Y Back

39.82

-0.64s (New PB)

A: 37.99 (+1.83s | 4.6%)

100 Y Free

1:18.10

+0.98s

A: 1:11.49 (+6.61s | 8.5%)

50 Y Fly

43.17

+1.45s

BB: 42.69 (+0.48s | 1.1%)

2026 Zone 1 North Championships

01/24/2026

Morgan Hill

50 Y Fly

41.77

+0.05s

A: 36.99 (+4.78s | 11.4%)

50 Y Back

40.46

-0.10s (New PB)

A: 37.99 (+2.47s | 6.1%)

100 Y Free

1:17.12

-3.01s (New PB)

A: 1:11.49 (+5.63s | 7.3%)

50 Free

36.38

100 Free

40.74

1:17.12

100 Free

1:17.12

SSF NEW YEAR SPLASH C B A+

01/10/2026

Pacifica

100 Y IM

1:29.62

+3.56s

A: 1:22.09 (+7.53s | 8.4%)

50 Y Fly

41.91

+0.19s

A: 36.99 (+4.92s | 11.7%)

50 Y Breast

50.42

-2.28s (New PB)

BB: 48.69 (+1.73s | 3.4%)

50 Y Back

40.56

-1.28s (New PB)

A: 37.99 (+2.57s | 6.3%)

100 Y Breast

1:47.69

+4.24s

BB: 1:46.89 (+0.80s | 0.7%)

50 Y Free

34.64

+0.19s

A: 32.09 (+2.55s | 7.4%)

2025 PASA Winter Frolic Meet @ PALY HS

12/20/2025

Palo Alto

50 Y Free

34.45

-3.12s (New PB)

A: 32.09 (+2.36s | 6.9%)

100 Y IM

1:26.06

-7.09s (New PB)

A: 1:22.09 (+3.97s | 4.6%)

50 IM

40.43

100 IM

45.63

1:26.06

100 IM

1:26.06

TYR BAC SPOOKY FALL CLASSIC

10/25/2025

Burlingame

50 Y Fly

41.72

-2.22s (New PB)

A: 36.99 (+4.73s | 11.3%)

100 Y Free

1:20.13

A: 1:11.49 (+8.64s | 10.8%)

100 Y Breast

1:43.45

A: 1:33.59 (+9.86s | 9.5%)

50 Y Back

42.18

+0.34s

A: 37.99 (+4.19s | 9.9%)

100 Y IM

1:33.15

-2.37s (New PB)

A: 1:22.09 (+11.06s | 11.9%)

200 Y Free

2:59.58

A: 2:38.39 (+21.19s | 11.8%)

50 Free

39.86

100 Free

46.41

1:26.27

100 Free

1:26.27

150 Free

48.45

2:14.72

200 Free

44.86

2:59.58

100 Free

1:33.31

2025 PASA Summer Palooza

07/20/2025

palo alto

50 Y Back

41.90

+0.06s

A: 37.99 (+3.91s | 9.3%)

50 Y Free

38.08

+0.51s

BB: 35.99 (+2.09s | 5.5%)

50 Y Fly

43.94

-0.88s (New PB)

BB: 42.69 (+1.25s | 2.8%)

Silicon Valley LC CBA+ Meet

06/27/2025

Sunnyvale

100 M Free

1:33.63

-1.95s (New PB)

BB: 1:32.99 (+0.64s | 0.7%)

100 M Back

1:41.51

+2.44s

A: 1:34.59 (+6.92s | 6.8%)

50 M Free

42.40

+0.28s

BB: 40.89 (+1.51s | 3.6%)

50 M Back

49.37

+1.34s

A: 43.59 (+5.78s | 11.7%)

50 M Fly

51.96

+3.66s

BB: 48.09 (+3.87s | 7.4%)

50 M Breast

58.56

+4.91s

BB: 55.49 (+3.07s | 5.2%)

BAC C B A Meet

06/06/2025

Burlingame

100 M Back

1:39.07

-4.05s (New PB)

A: 1:34.59 (+4.48s | 4.5%)

50 M Free

42.12

+0.00s

BB: 40.89 (+1.23s | 2.9%)

50 M Fly

51.38

+3.08s

BB: 48.09 (+3.29s | 6.4%)

100 M Free

1:35.58

BB: 1:32.99 (+2.59s | 2.7%)

50 M Breast

55.24

+1.59s

A: 48.79 (+6.45s | 11.7%)

50 M Back

48.03

-0.11s (New PB)

A: 43.59 (+4.44s | 9.2%)

2025 LAMV SCM C B A+

05/17/2025

Mountain View

50 M Free

42.12

BB: 40.89 (+1.23s | 2.9%)

50 M Fly

48.30

BB: 48.09 (+0.21s | 0.4%)

50 M Breast

53.65

A: 48.79 (+4.86s | 9.1%)

100 M Back

1:43.12

A: 1:34.59 (+8.53s | 8.3%)

50 Back

51.33

100 Back

51.79

1:43.12

100 Back

1:43.12

50 M Back

48.14

A: 43.59 (+4.55s | 9.5%)

Pacific Swimming 10 Under SC Championships

04/26/2025

Palo Alto

100 Y Back

1:37.82

+8.87s

BB: 1:33.99 (+3.83s | 3.9%)

50 Y Back

44.39

+2.55s

BB: 43.29 (+1.10s | 2.5%)

50 Y Fly

47.52

+2.70s

BB: 42.69 (+4.83s | 10.2%)

50 Y Free

39.87

+2.30s

B: 39.79 (+0.08s | 0.2%)

2025 Los Altos Mountain View SC CBA Meet

03/22/2025

Mountain View

50 Y Breast

52.70

-1.75s (New PB)

BB: 48.69 (+4.01s | 7.6%)

50 Y Back

43.21

+1.37s

A: 37.99 (+5.22s | 12.1%)

100 Y Back

1:28.95

A: 1:22.29 (+6.66s | 7.5%)

50 Back

44.04

100 Back

44.91

1:28.95

100 Back

1:28.95

100 Y IM

1:35.52

BB: 1:33.19 (+2.33s | 2.4%)

50 IM

45.03

100 IM

50.49

1:35.52

100 IM

1:35.52

50 Y Free

38.71

+1.14s

BB: 35.99 (+2.72s | 7.0%)

50 Y Fly

44.82

-2.42s (New PB)

BB: 42.69 (+2.13s | 4.8%)

2025 Tri Venue Last Chance Meet PASA

02/22/2025

Palo Alto

50 Y Fly

47.24

-1.37s (New PB)

BB: 42.69 (+4.55s | 9.6%)

50 Y Back

41.97

+0.13s

A: 37.99 (+3.98s | 9.5%)

50 Y Free

37.57

-1.39s (New PB)

BB: 35.99 (+1.58s | 4.2%)

Z1N SC Championship

01/25/2025

Sunnyvale

50 Y Breast

54.45

-1.32s (New PB)

BB: 48.69 (+5.76s | 10.6%)

50 Y Back

43.19

+1.35s

A: 37.99 (+5.20s | 12.0%)

50 Y Free

38.96

-2.04s (New PB)

BB: 35.99 (+2.97s | 7.6%)

50 Y Fly

48.61

-2.48s (New PB)

B: 48.39 (+0.22s | 0.5%)

South San Francisco New Year Splash C B A+

01/11/2025

Pacifica

50 Y Breast

55.77

-0.52s (New PB)

B: 54.59 (+1.18s | 2.1%)

50 Y Fly

51.09

-3.95s (New PB)

B: 48.39 (+2.70s | 5.3%)

50 Y Free

41.00

-1.44s (New PB)

B: 39.79 (+1.21s | 3.0%)

50 Y Back

41.84

-6.14s (New PB)

A: 37.99 (+3.85s | 9.2%)

2024 PASA Winter Frolic Meet @ PALY HS

12/21/2024

Palo Alto

50 Y Back

49.38

+1.40s

B: 48.59 (+0.79s | 1.6%)

50 Y Free

44.62

+2.18s

B: 39.79 (+4.83s | 10.8%)

50 Y Fly

55.04

B: 48.39 (+6.65s | 12.1%)

2024 PASA Candy Meet Champs

11/23/2024

Palo Alto

50 Y Back

47.98

BB: 43.29 (+4.69s | 9.8%)

50 Y Breast

56.29

B: 54.59 (+1.70s | 3.0%)

50 Y Free

46.52

+4.08s

B: 39.79 (+6.73s | 14.5%)

TYR BAC Spooky Fall Classic C B A+ Meet

10/26/2024

Burlingame

25 Y Fly

23.92

50 Y Free

42.44

B: 39.79 (+2.65s | 6.2%)

25 Y Breast

26.66

25 Y Back

22.12

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.