Serena Zhao

Age: 15 years old
Age Category: 15-16
Team: Houston Bridge Bats | Gulf Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Gulf Swimming

Houston Bridge Bats

Free 50 Y

26.47

12/06/2024

AA: 26.09 (+0.38s | 1.4%)

105

Free 100 Y

57.08

12/06/2024

AA: 56.49 (+0.59s | 1.0%)

103

50 Free

27.38

100 Free

29.70

57.08

100 Free

57.08

Free 200 Y

2:08.73

11/09/2024

A: 2:07.69 (+1.04s | 0.8%)

146

50 Free

28.87

100 Free

31.73

1:00.60

100 Free

1:00.60

150 Free

33.86

1:34.46

200 Free

34.27

2:08.73

100 Free

1:08.13

Free 500 Y

5:51.16

10/18/2024

A: 5:43.69 (+7.47s | 2.1%)

151

50 Free

29.54

100 Free

32.64

1:02.18

100 Free

1:02.18

150 Free

34.54

1:36.72

200 Free

35.48

2:12.20

100 Free

1:10.02

250 Free

35.97

2:48.17

300 Free

36.69

3:24.86

100 Free

1:12.66

350 Free

36.99

4:01.85

400 Free

36.65

4:38.50

100 Free

1:13.64

450 Free

36.64

5:15.14

500 Free

36.02

5:51.16

100 Free

1:12.66

Back 100 Y

1:03.78

12/06/2024

AA: 1:01.39 (+2.39s | 3.7%)

50 Back

31.04

100 Back

32.74

1:03.78

100 Back

1:03.78

Back 200 Y

2:17.47

02/28/2025

AA: 2:13.29 (+4.18s | 3.0%)

50 Back

32.29

100 Back

34.61

1:06.91

100 Back

1:06.91

150 Back

35.54

1:42.45

200 Back

35.02

2:17.47

100 Back

1:10.56

Breast 100 Y

1:15.63

02/28/2025

A: 1:13.69 (+1.94s | 2.6%)

50 Breast

36.44

100 Breast

39.19

1:15.63

100 Breast

1:15.63

Breast 200 Y

2:43.05

09/28/2024

A: 2:39.39 (+3.66s | 2.2%)

50 Breast

37.02

100 Breast

41.48

1:18.50

100 Breast

1:18.50

150 Breast

42.49

2:00.99

200 Breast

42.06

2:43.05

100 Breast

1:24.55

Fly 100 Y

1:04.80

12/06/2024

A: 1:03.79 (+1.01s | 1.6%)

105

50 Fly

30.17

100 Fly

34.63

1:04.80

100 Fly

1:04.80

Fly 200 Y

2:28.41

09/28/2024

A: 2:22.09 (+6.32s | 4.3%)

50 Fly

32.50

100 Fly

36.87

1:09.38

100 Fly

1:09.38

150 Fly

39.99

1:49.37

200 Fly

39.04

2:28.41

100 Fly

1:19.03

IM 200 Y

2:20.69

12/06/2024

AA: 2:16.49 (+4.20s | 3.0%)

50 Fly

30.78

100 Back

35.97

1:06.75

100 IM

1:06.75

150 Breast

41.05

1:47.80

200 Free

32.89

2:20.69

100 IM

1:13.94

IM 400 Y

4:59.30

12/06/2024

AA: 4:51.59 (+7.71s | 2.6%)

50 Fly

30.83

100 Fly

35.86

1:06.69

100 Fly

1:06.69

150 Back

37.74

1:44.43

200 Back

37.76

2:22.19

100 Back

1:15.50

250 Breast

43.37

3:05.56

300 Breast

44.26

3:49.82

100 Breast

1:27.63

350 Free

35.86

4:25.68

400 Free

33.62

4:59.30

100 Free

1:09.48

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Gulf Swimming	Houston Bridge Bats

Above are the fastest times that Serena Zhao has achieved in her swimming career. For each event, you can find Serena's best time, the corresponding time standard, as well as how much faster Serena needs to be to reach the next level. The last columns provide Serena rankings at the team and LSC levels. These rankings are based on the Serena'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	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	26.47	24.89 (+1.58s \| 6.0%)	23.89 (+2.58s \| 9.7%)	23.89 (+2.58s \| 9.7%)	23.29 (+3.18s \| 12.0%)	22.59 (+3.88s \| 14.7%)	22.79 (+3.68s \| 13.9%)
Free 100 Y	57.08	53.99 (+3.09s \| 5.4%)	51.89 (+5.19s \| 9.1%)	51.89 (+5.19s \| 9.1%)	50.39 (+6.69s \| 11.7%)	49.29 (+7.79s \| 13.6%)	49.69 (+7.39s \| 12.9%)
Free 200 Y	2:08.73	1:56.29 (+12.44s \| 9.7%)	1:52.89 (+15.84s \| 12.3%)	1:52.29 (+16.44s \| 12.8%)	1:49.09 (+19.64s \| 15.3%)	1:46.69 (+22.04s \| 17.1%)	1:47.39 (+21.34s \| 16.6%)
Free 500 Y	5:51.16	5:10.69 (+40.47s \| 11.5%)	5:02.59 (+48.57s \| 13.8%)	5:02.59 (+48.57s \| 13.8%)	4:53.09 (+58.07s \| 16.5%)	4:45.99 (+65.17s \| 18.6%)	4:48.09 (+63.07s \| 18.0%)
Back 100 Y	1:03.78	59.49 (+4.29s \| 6.7%)	57.09 (+6.69s \| 10.5%)	57.09 (+6.69s \| 10.5%)	55.09 (+8.69s \| 13.6%)	53.89 (+9.89s \| 15.5%)	54.49 (+9.29s \| 14.6%)
Back 200 Y	2:17.47	2:08.59 (+8.88s \| 6.5%)	2:04.19 (+13.28s \| 9.7%)	2:04.19 (+13.28s \| 9.7%)	1:59.39 (+18.08s \| 13.2%)	1:56.59 (+20.88s \| 15.2%)	1:57.69 (+19.78s \| 14.4%)
Breast 100 Y	1:15.63	1:07.59 (+8.04s \| 10.6%)	1:05.49 (+10.14s \| 13.4%)	1:05.49 (+10.14s \| 13.4%)	1:03.09 (+12.54s \| 16.6%)	1:01.79 (+13.84s \| 18.3%)	1:02.79 (+12.84s \| 17.0%)
Breast 200 Y	2:43.05	2:28.19 (+14.86s \| 9.1%)	2:22.69 (+20.36s \| 12.5%)	2:22.69 (+20.36s \| 12.5%)	2:17.19 (+25.86s \| 15.9%)	2:13.59 (+29.46s \| 18.1%)	2:15.49 (+27.56s \| 16.9%)
Fly 100 Y	1:04.80	59.19 (+5.61s \| 8.7%)	56.59 (+8.21s \| 12.7%)	56.59 (+8.21s \| 12.7%)	54.69 (+10.11s \| 15.6%)	53.49 (+11.31s \| 17.5%)	53.99 (+10.81s \| 16.7%)
Fly 200 Y	2:28.41	2:10.09 (+18.32s \| 12.3%)	2:05.39 (+23.02s \| 15.5%)	2:05.39 (+23.02s \| 15.5%)	2:01.69 (+26.72s \| 18.0%)	1:58.59 (+29.82s \| 20.1%)	1:59.39 (+29.02s \| 19.6%)
IM 200 Y	2:20.69	2:10.49 (+10.20s \| 7.2%)	2:06.39 (+14.30s \| 10.2%)	2:06.39 (+14.30s \| 10.2%)	2:02.19 (+18.50s \| 13.1%)	1:59.49 (+21.20s \| 15.1%)	2:00.59 (+20.10s \| 14.3%)
IM 400 Y	4:59.30	4:39.09 (+20.21s \| 6.8%)	4:30.69 (+28.61s \| 9.6%)	4:30.69 (+28.61s \| 9.6%)	4:21.69 (+37.61s \| 12.6%)	4:13.69 (+45.61s \| 15.2%)	4:15.19 (+44.11s \| 14.7%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ

Progression

See how Serena Zhao is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Serena's time to another swimmer's and even view their profile for more information about them.

Select the distance and stroke

Compare with another swimmer

View this profile

Meets

See all the meets Serena Zhao has participated in and her achievement. The last event displayed is the most recent. For each event, you can find the Serena's time, the progress against Serena's best time, the corresponding time standard, as well as how much faster Serena needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 Gulf 13 Over Champs (TEST)

02/28/2025

Houston

100 Y Breast

1:15.63

-0.34s (New PB)

A: 1:13.69 (+1.94s | 2.6%)

50 Breast

36.44

100 Breast

39.19

1:15.63

100 Breast

1:15.63

200 Y Back

2:17.47

-1.63s (New PB)

AA: 2:13.29 (+4.18s | 3.0%)

50 Back

32.29

100 Back

34.61

1:06.91

100 Back

1:06.91

150 Back

35.54

1:42.45

200 Back

35.02

2:17.47

100 Back

1:10.56

50 Y Free

26.79

+0.32s

AA: 26.09 (+0.70s | 2.6%)

100 Y Fly

1:05.08

+0.28s

A: 1:03.79 (+1.29s | 2.0%)

50 Fly

30.76

100 Fly

34.32

1:05.08

100 Fly

1:05.08

200 Y Breast

2:45.88

+2.83s

A: 2:39.39 (+6.49s | 3.9%)

50 Breast

37.73

100 Breast

42.04

1:19.77

100 Breast

1:19.77

150 Breast

43.63

2:03.40

200 Breast

42.48

2:45.88

100 Breast

1:26.11

400 Y IM

5:05.59

+6.29s

A: 5:04.29 (+1.30s | 0.4%)

50 Fly

5:17.37

150 Back

-51.-12

2:26.25

250 Breast

43.51

3:09.76

300 Breast

45.46

3:55.22

100 Breast

1:28.97

350 Free

35.11

4:30.33

400 Free

35.26

5:05.59

100 Free

1:10.37

MAC 2025 Neon New Year Meet

01/10/2025

Magnolia

100 Y Back

1:07.39

+3.61s

A: 1:05.89 (+1.50s | 2.2%)

50 Back

32.83

100 Back

34.56

1:07.39

100 Back

1:07.39

50 Y Free

27.24

+0.77s

AA: 26.69 (+0.55s | 2.0%)

100 Y Breast

1:17.77

+1.80s

A: 1:15.99 (+1.78s | 2.3%)

50 Breast

36.81

100 Breast

40.96

1:17.77

100 Breast

1:17.77

2024 Gulf Age Group Championships

12/06/2024

College Station

100 Y Back

1:03.78

-0.80s (New PB)

AA: 1:03.19 (+0.59s | 0.9%)

50 Back

31.04

100 Back

32.74

1:03.78

100 Back

1:03.78

100 Y Fly

1:04.80

-0.50s (New PB)

AA: 1:03.09 (+1.71s | 2.6%)

50 Fly

30.17

100 Fly

34.63

1:04.80

100 Fly

1:04.80

100 Y Free

57.08

-0.68s (New PB)

AAA: 55.79 (+1.29s | 2.3%)

50 Free

27.38

100 Free

29.70

57.08

100 Free

57.08

200 Y IM

2:20.69

-1.22s (New PB)

AAA: 2:14.99 (+5.70s | 4.1%)

50 Fly

30.78

100 Back

35.97

1:06.75

100 IM

1:06.75

150 Breast

41.05

1:47.80

200 Free

32.89

2:20.69

100 IM

1:13.94

400 Y IM

4:59.30

AAA: 4:47.39 (+11.91s | 4.0%)

50 Fly

30.83

100 Fly

35.86

1:06.69

100 Fly

1:06.69

150 Back

37.74

1:44.43

200 Back

37.76

2:22.19

100 Back

1:15.50

250 Breast

43.37

3:05.56

300 Breast

44.26

3:49.82

100 Breast

1:27.63

350 Free

35.86

4:25.68

400 Free

33.62

4:59.30

100 Free

1:09.48

50 Y Free

26.47

-0.16s (New PB)

AAA: 25.59 (+0.88s | 3.3%)

200 Y Back

2:19.10

-0.05s (New PB)

AA: 2:16.69 (+2.41s | 1.7%)

50 Back

32.72

100 Back

34.63

1:07.35

100 Back

1:07.35

150 Back

35.52

1:42.87

200 Back

36.23

2:19.10

100 Back

1:11.75

2024 BATS November Meet

11/23/2024

Sugar Land

50 Y Free

26.64

+0.01s

AAA: 25.59 (+1.05s | 3.9%)

100 Y Free

58.17

+0.41s

AAA: 55.79 (+2.38s | 4.1%)

50 Free

28.20

100 Free

29.97

58.17

100 Free

58.17

100 Y Fly

1:05.30

-0.57s (New PB)

AA: 1:03.09 (+2.21s | 3.4%)

50 Fly

30.52

100 Fly

34.78

1:05.30

100 Fly

1:05.30

2024 LSST November Open Meet

11/09/2024

Houston

100 Y Back

1:05.47

+0.89s

AA: 1:03.19 (+2.28s | 3.5%)

50 Back

31.94

100 Back

33.53

1:05.47

100 Back

1:05.47

200 Y IM

2:21.91

-0.39s (New PB)

AA: 2:21.09 (+0.82s | 0.6%)

50 Fly

30.89

100 Back

36.83

1:07.72

100 IM

1:07.72

150 Breast

41.22

1:48.94

200 Free

32.97

2:21.91

100 IM

1:14.19

200 Y Free

2:08.73

-1.28s (New PB)

AA: 2:06.19 (+2.54s | 2.0%)

50 Free

28.87

100 Free

31.73

1:00.60

100 Free

1:00.60

150 Free

33.86

1:34.46

200 Free

34.27

2:08.73

100 Free

1:08.13

200 Y Back

2:19.80

+0.65s

AA: 2:16.69 (+3.11s | 2.2%)

50 Back

33.57

100 Back

35.11

1:08.68

100 Back

1:08.68

150 Back

35.33

1:44.01

200 Back

35.79

2:19.80

100 Back

1:11.12

BATS 2024 October Invite

10/18/2024

Houston

50 Y Free

26.63

-0.03s (New PB)

AAA: 25.59 (+1.04s | 3.9%)

500 Y Free

5:51.16

AA: 5:38.59 (+12.57s | 3.6%)

50 Free

29.54

100 Free

32.64

1:02.18

100 Free

1:02.18

150 Free

34.54

1:36.72

200 Free

35.48

2:12.20

100 Free

1:10.02

250 Free

35.97

2:48.17

300 Free

36.69

3:24.86

100 Free

1:12.66

350 Free

36.99

4:01.85

400 Free

36.65

4:38.50

100 Free

1:13.64

450 Free

36.64

5:15.14

500 Free

36.02

5:51.16

100 Free

1:12.66

100 Y Free

57.90

+0.14s

AAA: 55.79 (+2.11s | 3.6%)

50 Free

27.94

100 Free

29.96

57.90

100 Free

57.90

200 Y Back

2:20.68

+1.53s

AA: 2:16.69 (+3.99s | 2.8%)

50 Back

32.85

100 Back

35.39

1:08.24

100 Back

1:08.24

150 Back

36.12

1:44.36

200 Back

36.32

2:20.68

100 Back

1:12.44

100 Y Fly

1:05.87

-1.28s (New PB)

AA: 1:03.09 (+2.78s | 4.2%)

50 Fly

31.06

100 Fly

34.81

1:05.87

100 Fly

1:05.87

100 Y Back

1:05.02

+0.44s

AA: 1:03.19 (+1.83s | 2.8%)

50 Back

31.82

100 Back

33.20

1:05.02

100 Back

1:05.02

100 Y Breast

1:15.97

-0.89s (New PB)

AA: 1:12.89 (+3.08s | 4.1%)

50 Breast

36.80

100 Breast

39.17

1:15.97

100 Breast

1:15.97

50 Y Breast

35.29

Texas Elite IMX Invite 2024

09/28/2024

Houston

200 Y Fly

2:28.41

A: 2:26.69 (+1.72s | 1.2%)

50 Fly

32.50

100 Fly

36.87

1:09.38

100 Fly

1:09.38

150 Fly

39.99

1:49.37

200 Fly

39.04

2:28.41

100 Fly

1:19.03

200 Y IM

2:22.30

AA: 2:21.09 (+1.21s | 0.9%)

50 Fly

31.21

100 Back

35.75

1:06.96

100 IM

1:06.96

150 Breast

42.05

1:49.01

200 Free

33.29

2:22.30

100 IM

1:15.34

50 Y Free

26.66

AAA: 25.59 (+1.07s | 4.0%)

200 Y Back

2:19.15

AA: 2:16.69 (+2.46s | 1.8%)

50 Back

32.57

100 Back

34.67

1:07.24

100 Back

1:07.24

150 Back

35.73

1:42.97

200 Back

36.18

2:19.15

100 Back

1:11.91

200 Y Breast

2:43.05

AA: 2:36.89 (+6.16s | 3.8%)

50 Breast

37.02

100 Breast

41.48

1:18.50

100 Breast

1:18.50

150 Breast

42.49

2:00.99

200 Breast

42.06

2:43.05

100 Breast

1:24.55

100 Y Free

57.76

AAA: 55.79 (+1.97s | 3.4%)

50 Free

27.99

100 Free

29.77

57.76

100 Free

57.76

2024 BTA IMX IMR

09/20/2024

Kingwood

100 Y Back

1:04.58

AA: 1:03.19 (+1.39s | 2.2%)

50 Back

31.80

100 Back

32.78

1:04.58

100 Back

1:04.58

100 Y Breast

1:16.86

A: 1:15.99 (+0.87s | 1.1%)

50 Breast

36.56

100 Breast

40.30

1:16.86

100 Breast

1:16.86

100 Y Fly

1:07.15

A: 1:05.89 (+1.26s | 1.9%)

50 Fly

31.65

100 Fly

35.50

1:07.15

100 Fly

1:07.15

200 Y Free

2:10.01

AA: 2:06.19 (+3.82s | 2.9%)

50 Free

29.63

100 Free

32.20

1:01.83

100 Free

1:01.83

150 Free

33.97

1:35.80

200 Free

34.21

2:10.01

100 Free

1:08.18

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	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	26.47	24.89 (+1.58s \| 6.0%)	23.89 (+2.58s \| 9.7%)	23.89 (+2.58s \| 9.7%)	23.29 (+3.18s \| 12.0%)	22.59 (+3.88s \| 14.7%)	22.79 (+3.68s \| 13.9%)
Free 100 Y	57.08	53.99 (+3.09s \| 5.4%)	51.89 (+5.19s \| 9.1%)	51.89 (+5.19s \| 9.1%)	50.39 (+6.69s \| 11.7%)	49.29 (+7.79s \| 13.6%)	49.69 (+7.39s \| 12.9%)
Free 200 Y	2:08.73	1:56.29 (+12.44s \| 9.7%)	1:52.89 (+15.84s \| 12.3%)	1:52.29 (+16.44s \| 12.8%)	1:49.09 (+19.64s \| 15.3%)	1:46.69 (+22.04s \| 17.1%)	1:47.39 (+21.34s \| 16.6%)
Free 500 Y	5:51.16	5:10.69 (+40.47s \| 11.5%)	5:02.59 (+48.57s \| 13.8%)	5:02.59 (+48.57s \| 13.8%)	4:53.09 (+58.07s \| 16.5%)	4:45.99 (+65.17s \| 18.6%)	4:48.09 (+63.07s \| 18.0%)
Back 100 Y	1:03.78	59.49 (+4.29s \| 6.7%)	57.09 (+6.69s \| 10.5%)	57.09 (+6.69s \| 10.5%)	55.09 (+8.69s \| 13.6%)	53.89 (+9.89s \| 15.5%)	54.49 (+9.29s \| 14.6%)
Back 200 Y	2:17.47	2:08.59 (+8.88s \| 6.5%)	2:04.19 (+13.28s \| 9.7%)	2:04.19 (+13.28s \| 9.7%)	1:59.39 (+18.08s \| 13.2%)	1:56.59 (+20.88s \| 15.2%)	1:57.69 (+19.78s \| 14.4%)
Breast 100 Y	1:15.63	1:07.59 (+8.04s \| 10.6%)	1:05.49 (+10.14s \| 13.4%)	1:05.49 (+10.14s \| 13.4%)	1:03.09 (+12.54s \| 16.6%)	1:01.79 (+13.84s \| 18.3%)	1:02.79 (+12.84s \| 17.0%)
Breast 200 Y	2:43.05	2:28.19 (+14.86s \| 9.1%)	2:22.69 (+20.36s \| 12.5%)	2:22.69 (+20.36s \| 12.5%)	2:17.19 (+25.86s \| 15.9%)	2:13.59 (+29.46s \| 18.1%)	2:15.49 (+27.56s \| 16.9%)
Fly 100 Y	1:04.80	59.19 (+5.61s \| 8.7%)	56.59 (+8.21s \| 12.7%)	56.59 (+8.21s \| 12.7%)	54.69 (+10.11s \| 15.6%)	53.49 (+11.31s \| 17.5%)	53.99 (+10.81s \| 16.7%)
Fly 200 Y	2:28.41	2:10.09 (+18.32s \| 12.3%)	2:05.39 (+23.02s \| 15.5%)	2:05.39 (+23.02s \| 15.5%)	2:01.69 (+26.72s \| 18.0%)	1:58.59 (+29.82s \| 20.1%)	1:59.39 (+29.02s \| 19.6%)
IM 200 Y	2:20.69	2:10.49 (+10.20s \| 7.2%)	2:06.39 (+14.30s \| 10.2%)	2:06.39 (+14.30s \| 10.2%)	2:02.19 (+18.50s \| 13.1%)	1:59.49 (+21.20s \| 15.1%)	2:00.59 (+20.10s \| 14.3%)
IM 400 Y	4:59.30	4:39.09 (+20.21s \| 6.8%)	4:30.69 (+28.61s \| 9.6%)	4:30.69 (+28.61s \| 9.6%)	4:21.69 (+37.61s \| 12.6%)	4:13.69 (+45.61s \| 15.2%)	4:15.19 (+44.11s \| 14.7%)