Marquis Zhao

Age: 12 years old
Age Category: 11-12
Team: San Dimas Aquatics | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

San Dimas Aquatics

Free 50 Y

26.86

12/13/2024

AAA: 25.79 (+1.07s | 4.0%)

Free 100 Y

59.14

12/13/2024

AA: 58.69 (+0.45s | 0.8%)

50 Free

27.95

100 Free

31.19

59.14

100 Free

59.14

Free 200 Y

2:18.98

12/08/2023

A: 2:13.69 (+5.29s | 3.8%)

50 Free

30.28

100 Free

34.23

1:04.51

100 Free

1:04.51

150 Free

36.64

1:41.15

200 Free

37.83

2:18.98

100 Free

1:14.47

Back 50 Y

31.47

12/13/2024

AA: 31.19 (+0.28s | 0.9%)

Back 100 Y

1:09.75

12/13/2024

A: 1:09.29 (+0.46s | 0.7%)

50 Back

33.71

100 Back

36.04

1:09.75

100 Back

1:09.75

Fly 50 Y

29.84

12/13/2024

AA: 29.69 (+0.15s | 0.5%)

IM 100 Y

1:09.77

12/13/2024

AA: 1:06.99 (+2.78s | 4.0%)

50 IM

30.46

100 IM

39.31

1:09.77

100 IM

1:09.77

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

San Dimas Aquatics

Free 50 M

30.25

07/25/2024

AAA: 29.39 (+0.86s | 2.8%)

Free 100 M

1:05.28

07/24/2025

AAA: 1:04.49 (+0.79s | 1.2%)

50 Free

30.00

100 Free

35.28

1:05.28

100 Free

1:05.28

Free 200 M

2:44.60

07/20/2023

A: 2:33.59 (+11.01s | 6.7%)

128

50 Free

37.68

100 Free

41.06

1:18.74

100 Free

1:18.74

150 Free

43.33

2:02.07

200 Free

42.53

2:44.60

100 Free

1:25.86

Back 50 M

36.26

07/24/2025

AA: 35.99 (+0.27s | 0.7%)

Back 100 M

1:21.37

07/24/2025

AA: 1:18.09 (+3.28s | 4.0%)

50 Back

37.61

100 Back

43.76

1:21.37

100 Back

1:21.37

Breast 100 M

1:51.96

07/20/2023

B: 1:47.79 (+4.17s | 3.7%)

184

50 Breast

54.06

100 Breast

57.90

1:51.96

100 Breast

1:51.96

Fly 50 M

32.68

07/25/2024

AAA: 31.99 (+0.69s | 2.1%)

Fly 100 M

1:31.04

07/24/2025

BB: 1:27.29 (+3.75s | 4.1%)

106

50 Fly

35.09

100 Fly

55.95

1:31.04

100 Fly

1:31.04

IM 200 M

3:01.75

06/13/2024

A: 2:53.69 (+8.06s | 4.4%)

117

50 Fly

37.30

100 Back

46.08

1:23.38

100 IM

1:23.38

150 Breast

57.06

2:20.44

200 Free

41.31

3:01.75

100 IM

1:38.37

Above are the fastest times that Marquis Zhao has achieved in his swimming career. For each event, you can find Marquis's best time, the corresponding time standard, as well as how much faster Marquis needs to be to reach the next level. The last columns provide Marquis rankings at the team and LSC levels. These rankings are based on the Marquis'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	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	26.86	22.19 (+4.67s \| 17.4%)	21.29 (+5.57s \| 20.7%)	21.29 (+5.57s \| 20.7%)	20.59 (+6.27s \| 23.3%)	20.09 (+6.77s \| 25.2%)	20.39 (+6.47s \| 24.1%)	27.49 26.29 (+0.57s \| 2.1%)
Free 100 Y	59.14	48.19 (+10.95s \| 18.5%)	46.39 (+12.75s \| 21.6%)	46.39 (+12.75s \| 21.6%)	45.09 (+14.05s \| 23.8%)	43.49 (+15.65s \| 26.5%)	44.39 (+14.75s \| 24.9%)	59.29 56.69 (+2.45s \| 4.1%)
Free 200 Y	2:18.98	1:45.79 (+33.19s \| 23.9%)	1:41.59 (+37.39s \| 26.9%)	1:41.59 (+37.39s \| 26.9%)	1:38.79 (+40.19s \| 28.9%)	1:36.49 (+42.49s \| 30.6%)	1:38.09 (+40.89s \| 29.4%)	2:09.19 (+9.79s \| 7.0%)
Back 50 Y	31.47	N/A	N/A	N/A	N/A	N/A	N/A	31.89 1:02.89
Back 100 Y	1:09.75	53.89 (+15.86s \| 22.7%)	51.49 (+18.26s \| 26.2%)	51.49 (+18.26s \| 26.2%)	49.39 (+20.36s \| 29.2%)	47.59 (+22.16s \| 31.8%)	48.89 (+20.86s \| 29.9%)	1:07.49 (+2.26s \| 3.2%)
Fly 50 Y	29.84	N/A	N/A	N/A	N/A	N/A	N/A	30.49
IM 100 Y	1:09.77	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09 (+1.68s \| 2.4%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	30.25	25.89 (+4.36s \| 14.4%)	24.59 (+5.66s \| 18.7%)	24.59 (+5.66s \| 18.7%)	24.29 (+5.96s \| 19.7%)	23.39 (+6.86s \| 22.7%)	23.79 (+6.46s \| 21.4%)	31.49 30.19 (+0.06s \| 0.2%)
Free 100 M	1:05.28	56.09 (+9.19s \| 14.1%)	53.59 (+11.69s \| 17.9%)	53.59 (+11.69s \| 17.9%)	52.59 (+12.69s \| 19.4%)	50.99 (+14.29s \| 21.9%)	51.99 (+13.29s \| 20.4%)	1:07.49 1:04.89 (+0.39s \| 0.6%)
Free 200 M	2:44.60	2:03.09 (+41.51s \| 25.2%)	1:57.79 (+46.81s \| 28.4%)	1:57.79 (+46.81s \| 28.4%)	1:55.49 (+49.11s \| 29.8%)	1:52.19 (+52.41s \| 31.8%)	1:54.09 (+50.51s \| 30.7%)	2:26.99 (+17.61s \| 10.7%)
Back 50 M	36.26	N/A	N/A	N/A	N/A	N/A	N/A	36.79
Back 100 M	1:21.37	1:03.29 (+18.08s \| 22.2%)	1:00.59 (+20.78s \| 25.5%)	1:00.59 (+20.78s \| 25.5%)	58.89 (+22.48s \| 27.6%)	57.29 (+24.08s \| 29.6%)	58.19 (+23.18s \| 28.5%)	1:18.49 (+2.88s \| 3.5%)
Breast 100 M	1:51.96	1:11.29 (+40.67s \| 36.3%)	1:08.19 (+43.77s \| 39.1%)	1:08.19 (+43.77s \| 39.1%)	1:06.59 (+45.37s \| 40.5%)	1:04.09 (+47.87s \| 42.8%)	1:05.29 (+46.67s \| 41.7%)	1:27.69 (+24.27s \| 21.7%)
Fly 50 M	32.68	N/A	N/A	N/A	N/A	N/A	N/A	34.39
Fly 100 M	1:31.04	1:00.89 (+30.15s \| 33.1%)	57.99 (+33.05s \| 36.3%)	57.99 (+33.05s \| 36.3%)	57.09 (+33.95s \| 37.3%)	55.09 (+35.95s \| 39.5%)	55.99 (+35.05s \| 38.5%)	1:16.39 (+14.65s \| 16.1%)
IM 200 M	3:01.75	2:18.39 (+43.36s \| 23.9%)	2:12.79 (+48.96s \| 26.9%)	2:12.79 (+48.96s \| 26.9%)	2:09.59 (+52.16s \| 28.7%)	2:05.79 (+55.96s \| 30.8%)	2:08.19 (+53.56s \| 29.5%)	2:48.19 (+13.56s \| 7.5%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 CA SCS RAA Summer A G Champs

07/24/2025

Riverside

50 M Fly

34.80

+2.12s

AA: 33.59 (+1.21s | 3.5%)

100 M Fly

1:31.04

BB: 1:27.29 (+3.75s | 4.1%)

50 Fly

35.09

100 Fly

55.95

1:31.04

100 Fly

1:31.04

100 M Free

1:05.28

-3.48s (New PB)

AAA: 1:04.49 (+0.79s | 1.2%)

50 Free

30.00

100 Free

35.28

1:05.28

100 Free

1:05.28

50 M Back

36.26

-0.53s (New PB)

AA: 35.99 (+0.27s | 0.7%)

100 M Back

1:21.37

-5.46s (New PB)

AA: 1:18.09 (+3.28s | 4.0%)

50 Back

37.61

100 Back

43.76

1:21.37

100 Back

1:21.37

2024 CA RAA SCS WAG

12/13/2024

Riverside

100 Y Back

1:09.75

-3.75s (New PB)

A: 1:09.29 (+0.46s | 0.7%)

50 Back

33.71

100 Back

36.04

1:09.75

100 Back

1:09.75

100 Y Free

59.14

-2.44s (New PB)

AA: 58.69 (+0.45s | 0.8%)

50 Free

27.95

100 Free

31.19

59.14

100 Free

59.14

50 Y Free

26.86

-1.67s (New PB)

AAA: 25.79 (+1.07s | 4.0%)

50 Y Fly

29.84

AA: 29.69 (+0.15s | 0.5%)

100 Y IM

1:09.77

-3.87s (New PB)

AA: 1:06.99 (+2.78s | 4.0%)

50 IM

30.46

100 IM

39.31

1:09.77

100 IM

1:09.77

50 Y Back

31.47

-2.42s (New PB)

AA: 31.19 (+0.28s | 0.9%)

2024 CA SCS RAA Summer A G Champs

07/25/2024

Riverside

100 M Back

1:26.83

-6.56s (New PB)

A: 1:21.89 (+4.94s | 5.7%)

50 M Free

30.25

-1.13s (New PB)

AAA: 29.39 (+0.86s | 2.8%)

50 M Fly

32.68

AAA: 31.99 (+0.69s | 2.1%)

50 M Back

36.79

-2.53s (New PB)

AA: 35.99 (+0.80s | 2.2%)

2024 CA SCS CANY June Age Group Invite

06/13/2024

Santa Clarita

50 M Free

31.38

-3.82s (New PB)

AA: 30.69 (+0.69s | 2.2%)

50 M Back

39.32

-3.46s (New PB)

A: 37.69 (+1.63s | 4.1%)

100 M Free

1:08.76

-6.04s (New PB)

AA: 1:07.49 (+1.27s | 1.8%)

50 Free

33.15

100 Free

35.61

1:08.76

100 Free

1:08.76

200 M IM

3:01.75

A: 2:53.69 (+8.06s | 4.4%)

50 Fly

37.30

100 Back

46.08

1:23.38

100 IM

1:23.38

150 Breast

57.06

2:20.44

200 Free

41.31

3:01.75

100 IM

1:38.37

2024 SCS Spring Age Group Champshipson

03/14/2024

Pasadena

100 Y Free

1:01.58

-1.11s (New PB)

A: 1:01.29 (+0.29s | 0.5%)

2024 SCS All Star Festival

01/20/2024

Las Vegas

100 Y Free

1:03.10

+0.41s

AAA

AAAA: 1:00.69 (+2.41s | 3.8%)

50 Free

30.45

100 Free

32.65

1:03.10

100 Free

1:03.10

100 Y IM

1:13.64

-1.99s (New PB)

AAA: 1:13.09 (+0.55s | 0.7%)

50 IM

34.19

100 IM

39.45

1:13.64

100 IM

1:13.64

100 Y Back

1:13.50

-0.73s (New PB)

AAA: 1:12.49 (+1.01s | 1.4%)

50 Back

35.64

100 Back

37.86

1:13.50

100 Back

1:13.50

50 Y Back

33.89

-0.92s (New PB)

AAA

AAAA: 32.19 (+1.70s | 5.0%)

200 Y Free

2:21.39

+2.41s

AAA: 2:18.99 (+2.40s | 1.7%)

50 Free

30.85

100 Free

35.24

1:06.09

100 Free

1:06.09

150 Free

37.53

1:43.62

200 Free

37.77

2:21.39

100 Free

1:15.30

50 Y Free

28.53

-0.54s (New PB)

AAA

AAAA: 27.49 (+1.04s | 3.6%)

2023 CA SCAT SCS WAG

12/08/2023

San Clemente

100 Y Free

1:02.69

AAA

AAAA: 1:00.69 (+2.00s | 3.2%)

50 Free

30.00

100 Free

32.69

1:02.69

100 Free

1:02.69

200 Y Free

2:18.98

AAA

AAAA: 2:12.69 (+6.29s | 4.5%)

50 Free

30.28

100 Free

34.23

1:04.51

100 Free

1:04.51

150 Free

36.64

1:41.15

200 Free

37.83

2:18.98

100 Free

1:14.47

50 Y Free

29.07

AAA: 28.69 (+0.38s | 1.3%)

50 Y Back

34.81

AAA: 33.99 (+0.82s | 2.4%)

100 Y IM

1:15.63

AAA: 1:13.09 (+2.54s | 3.4%)

50 IM

34.70

100 IM

40.93

1:15.63

100 IM

1:15.63

100 Y Back

1:14.23

AAA: 1:12.49 (+1.74s | 2.3%)

50 Back

35.50

100 Back

38.73

1:14.23

100 Back

1:14.23

2023 CA SCS RAA Summer A G Champs

07/20/2023

Riverside

100 M Free

1:14.80

-5.39s (New PB)

AAA: 1:13.19 (+1.61s | 2.2%)

50 Free

36.19

100 Free

38.61

1:14.80

100 Free

1:14.80

200 M Free

2:44.60

-16.85s (New PB)

AAA: 2:38.89 (+5.71s | 3.5%)

50 Free

37.68

100 Free

41.06

1:18.74

100 Free

1:18.74

150 Free

43.33

2:02.07

200 Free

42.53

2:44.60

100 Free

1:25.86

100 M Back

1:33.39

A: 1:32.29 (+1.10s | 1.2%)

50 Back

47.00

100 Back

46.39

1:33.39

100 Back

1:33.39

50 M Free

35.20

AA: 34.39 (+0.81s | 2.3%)

50 M Back

42.78

-0.89s (New PB)

AA: 41.09 (+1.69s | 4.0%)

100 M Breast

1:51.96

A: 1:45.49 (+6.47s | 5.8%)

50 Breast

54.06

100 Breast

57.90

1:51.96

100 Breast

1:51.96

2023 CA SCS NOVA June Age Group Invite

06/16/2023

Irvine

50 M Back

43.67

A: 43.09 (+0.58s | 1.3%)

200 M Free

3:01.45

A: 2:53.39 (+8.06s | 4.4%)

50 Free

40.17

100 Free

46.30

1:26.47

100 Free

1:26.47

150 Free

49.17

2:15.64

200 Free

45.81

3:01.45

100 Free

1:34.98

100 M Free

1:20.19

A: 1:20.19 (+0.00s | -0.0%)

50 Free

38.68

100 Free

41.51

1:20.19

100 Free

1:20.19

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	SouthWestern Age Group Regional
Free 50 M	30.25	25.89 (+4.36s \| 14.4%)	24.59 (+5.66s \| 18.7%)	24.59 (+5.66s \| 18.7%)	24.29 (+5.96s \| 19.7%)	23.39 (+6.86s \| 22.7%)	23.79 (+6.46s \| 21.4%)	31.49 30.19 (+0.06s \| 0.2%)
Free 100 M	1:05.28	56.09 (+9.19s \| 14.1%)	53.59 (+11.69s \| 17.9%)	53.59 (+11.69s \| 17.9%)	52.59 (+12.69s \| 19.4%)	50.99 (+14.29s \| 21.9%)	51.99 (+13.29s \| 20.4%)	1:07.49 1:04.89 (+0.39s \| 0.6%)
Free 200 M	2:44.60	2:03.09 (+41.51s \| 25.2%)	1:57.79 (+46.81s \| 28.4%)	1:57.79 (+46.81s \| 28.4%)	1:55.49 (+49.11s \| 29.8%)	1:52.19 (+52.41s \| 31.8%)	1:54.09 (+50.51s \| 30.7%)	2:26.99 (+17.61s \| 10.7%)
Back 50 M	36.26	N/A	N/A	N/A	N/A	N/A	N/A	36.79
Back 100 M	1:21.37	1:03.29 (+18.08s \| 22.2%)	1:00.59 (+20.78s \| 25.5%)	1:00.59 (+20.78s \| 25.5%)	58.89 (+22.48s \| 27.6%)	57.29 (+24.08s \| 29.6%)	58.19 (+23.18s \| 28.5%)	1:18.49 (+2.88s \| 3.5%)
Breast 100 M	1:51.96	1:11.29 (+40.67s \| 36.3%)	1:08.19 (+43.77s \| 39.1%)	1:08.19 (+43.77s \| 39.1%)	1:06.59 (+45.37s \| 40.5%)	1:04.09 (+47.87s \| 42.8%)	1:05.29 (+46.67s \| 41.7%)	1:27.69 (+24.27s \| 21.7%)
Fly 50 M	32.68	N/A	N/A	N/A	N/A	N/A	N/A	34.39
Fly 100 M	1:31.04	1:00.89 (+30.15s \| 33.1%)	57.99 (+33.05s \| 36.3%)	57.99 (+33.05s \| 36.3%)	57.09 (+33.95s \| 37.3%)	55.09 (+35.95s \| 39.5%)	55.99 (+35.05s \| 38.5%)	1:16.39 (+14.65s \| 16.1%)
IM 200 M	3:01.75	2:18.39 (+43.36s \| 23.9%)	2:12.79 (+48.96s \| 26.9%)	2:12.79 (+48.96s \| 26.9%)	2:09.59 (+52.16s \| 28.7%)	2:05.79 (+55.96s \| 30.8%)	2:08.19 (+53.56s \| 29.5%)	2:48.19 (+13.56s \| 7.5%)