Marco Cao

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

Pacific Swimming

Palo Alto Stanford Aquatics

Free 50 Y

34.33

10/25/2025

A: 31.09 (+3.24s | 9.4%)

168

Free 100 Y

1:14.47

11/01/2025

A: 1:09.79 (+4.68s | 6.3%)

107

Free 200 Y

2:42.61

11/01/2025

A: 2:31.59 (+11.02s | 6.8%)

Free 500 Y

7:41.47

03/22/2025

BB: 7:33.79 (+7.68s | 1.7%)

50 Free

38.10

100 Free

44.45

1:22.55

100 Free

1:22.55

150 Free

46.31

2:08.86

200 Free

47.62

2:56.48

100 Free

1:33.93

250 Free

1:34.76

4:31.24

300 Free

48.13

5:19.37

100 Free

2:22.89

350 Free

47.42

6:06.79

400 Free

48.20

6:54.99

100 Free

1:35.62

450 Free

46.69

7:41.68

500 Free

0.-21

7:41.47

100 Free

46.48

Back 50 Y

42.71

10/25/2025

A: 37.59 (+5.12s | 12.0%)

190

Back 100 Y

1:29.81

11/01/2025

A: 1:19.59 (+10.22s | 11.4%)

116

Breast 50 Y

48.06

10/25/2025

BB: 47.69 (+0.37s | 0.8%)

193

Breast 100 Y

1:41.44

11/01/2025

A: 1:30.59 (+10.85s | 10.7%)

126

Fly 50 Y

49.88

02/22/2025

B: 46.49 (+3.39s | 6.8%)

378

Fly 100 Y

1:42.03

10/25/2025

BB: 1:38.99 (+3.04s | 3.0%)

115

IM 100 Y

1:35.02

12/21/2024

BB: 1:29.69 (+5.33s | 5.6%)

260

50 IM

46.59

100 IM

48.43

1:35.02

100 IM

1:35.02

IM 200 Y

3:06.88

10/25/2025

A: 2:53.49 (+13.39s | 7.2%)

Long course distance

Event	Time	Age	Date	Next Standard	Pacific Swimming	Palo Alto Stanford Aquatics
Free 50 M	46.04	9	05/18/2024	B: 43.89 (+2.15s \| 4.7%)	251	20

Breast 50 M	1:05.72	9	06/07/2024	B: 1:00.89 (+4.83s \| 7.3%)	319	29

Above are the fastest times that Marco Cao has achieved in his swimming career. For each event, you can find Marco's best time, the corresponding time standard, as well as how much faster Marco needs to be to reach the next level. The last columns provide Marco rankings at the team and LSC levels. These rankings are based on the Marco'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	34.33	30.99 (+3.34s \| 9.7%)	30.19 (+4.14s \| 12.1%)	26.89 (+7.44s \| 21.7%)	24.79 (+9.54s \| 27.8%)	23.29 (+11.04s \| 32.2%)	22.19 (+12.14s \| 35.4%)	21.29 (+13.04s \| 38.0%)	21.29 (+13.04s \| 38.0%)	20.59 (+13.74s \| 40.0%)	20.09 (+14.24s \| 41.5%)	20.39 (+13.94s \| 40.6%)	N/A	30.49 (+3.84s \| 11.2%)
Free 100 Y	1:14.47	1:09.69 (+4.78s \| 6.4%)	1:07.59 (+6.88s \| 9.2%)	58.69 (+15.78s \| 21.2%)	54.19 (+20.28s \| 27.2%)	51.19 (+23.28s \| 31.3%)	48.19 (+26.28s \| 35.3%)	46.39 (+28.08s \| 37.7%)	46.39 (+28.08s \| 37.7%)	45.09 (+29.38s \| 39.5%)	43.49 (+30.98s \| 41.6%)	44.39 (+30.08s \| 40.4%)	N/A	1:07.19 (+7.28s \| 9.8%)
Free 200 Y	2:42.61	2:29.39 (+13.22s \| 8.1%)	2:26.99 (+15.62s \| 9.6%)	2:08.39 (+34.22s \| 21.0%)	1:58.59 (+44.02s \| 27.1%)	1:52.09 (+50.52s \| 31.1%)	1:45.79 (+56.82s \| 34.9%)	1:41.59 (+61.02s \| 37.5%)	1:41.59 (+61.02s \| 37.5%)	1:38.79 (+63.82s \| 39.2%)	1:36.49 (+66.12s \| 40.7%)	1:38.09 (+64.52s \| 39.7%)	N/A	2:24.99 (+17.62s \| 10.8%)
Free 500 Y	7:41.47	6:37.09 (+64.38s \| 14.0%)	6:26.79 (+74.68s \| 16.2%)	5:47.89 (+113.58s \| 24.6%)	5:21.19 (+140.28s \| 30.4%)	5:04.39 (+157.08s \| 34.0%)	4:47.79 (+173.68s \| 37.6%)	4:37.09 (+184.38s \| 40.0%)	4:37.09 (+184.38s \| 40.0%)	4:29.49 (+191.98s \| 41.6%)	4:22.09 (+199.38s \| 43.2%)	4:27.69 (+193.78s \| 42.0%)	N/A	6:25.49 (+75.98s \| 16.5%)
Back 50 Y	42.71	36.99 (+5.72s \| 13.4%)	35.79 (+6.92s \| 16.2%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+6.42s \| 15.0%)
Back 100 Y	1:29.81	1:18.89 (+10.92s \| 12.2%)	1:17.09 (+12.72s \| 14.2%)	1:04.69 (+25.12s \| 28.0%)	59.79 (+30.02s \| 33.4%)	55.99 (+33.82s \| 37.7%)	53.89 (+35.92s \| 40.0%)	51.49 (+38.32s \| 42.7%)	51.49 (+38.32s \| 42.7%)	49.39 (+40.42s \| 45.0%)	47.59 (+42.22s \| 47.0%)	48.89 (+40.92s \| 45.6%)	N/A	1:16.59 (+13.22s \| 14.7%)
Breast 50 Y	48.06	40.99 (+7.07s \| 14.7%)	39.99 (+8.07s \| 16.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+7.77s \| 16.2%)
Breast 100 Y	1:41.44	1:28.99 (+12.45s \| 12.3%)	1:26.99 (+14.45s \| 14.2%)	1:13.59 (+27.85s \| 27.5%)	1:07.89 (+33.55s \| 33.1%)	1:02.89 (+38.55s \| 38.0%)	1:00.89 (+40.55s \| 40.0%)	57.99 (+43.45s \| 42.8%)	57.99 (+43.45s \| 42.8%)	55.89 (+45.55s \| 44.9%)	54.19 (+47.25s \| 46.6%)	55.29 (+46.15s \| 45.5%)	N/A	1:26.29 (+15.15s \| 14.9%)
Fly 50 Y	49.88	35.39 (+14.49s \| 29.0%)	33.99 (+15.89s \| 31.9%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+15.19s \| 30.5%)
Fly 100 Y	1:42.03	1:22.69 (+19.34s \| 19.0%)	1:20.49 (+21.54s \| 21.1%)	1:03.89 (+38.14s \| 37.4%)	58.99 (+43.04s \| 42.2%)	55.49 (+46.54s \| 45.6%)	52.89 (+49.14s \| 48.2%)	50.59 (+51.44s \| 50.4%)	50.59 (+51.44s \| 50.4%)	48.99 (+53.04s \| 52.0%)	47.79 (+54.24s \| 53.2%)	48.39 (+53.64s \| 52.6%)	N/A	1:19.89 (+22.14s \| 21.7%)
IM 100 Y	1:35.02	1:18.89 (+16.13s \| 17.0%)	1:16.89 (+18.13s \| 19.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+18.03s \| 19.0%)
IM 200 Y	3:06.88	2:50.99 (+15.89s \| 8.5%)	2:47.99 (+18.89s \| 10.1%)	2:23.29 (+43.59s \| 23.3%)	2:12.29 (+54.59s \| 29.2%)	2:04.69 (+62.19s \| 33.3%)	1:58.19 (+68.69s \| 36.8%)	1:53.89 (+72.99s \| 39.1%)	1:53.89 (+72.99s \| 39.1%)	1:50.09 (+76.79s \| 41.1%)	1:46.39 (+80.49s \| 43.1%)	1:48.89 (+77.99s \| 41.7%)	N/A	2:46.19 (+20.69s \| 11.1%)

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	46.04	35.49 (+10.55s \| 22.9%)	34.39 (+11.65s \| 25.3%)	30.19 (+15.85s \| 34.4%)	27.89 (+18.15s \| 39.4%)	26.79 (+19.25s \| 41.8%)	25.89 (+20.15s \| 43.8%)	24.59 (+21.45s \| 46.6%)	24.59 (+21.45s \| 46.6%)	24.29 (+21.75s \| 47.2%)	23.39 (+22.65s \| 49.2%)	23.79 (+22.25s \| 48.3%)	N/A	22.79 (+23.25s \| 50.5%)	34.59 (+11.45s \| 24.9%)
Breast 50 M	1:05.72	46.99 (+18.73s \| 28.5%)	45.59 (+20.13s \| 30.6%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.29 (+19.43s \| 29.6%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 Joyce Lanphere Invitational

11/01/2025

Palo Alto

200 Y Free

2:42.61

-14.09s (New PB)

A: 2:31.59 (+11.02s | 6.8%)

100 Y Breast

1:41.44

-4.41s (New PB)

A: 1:30.59 (+10.85s | 10.7%)

100 Y Free

1:14.47

-5.08s (New PB)

A: 1:09.79 (+4.68s | 6.3%)

100 Y Back

1:29.81

-5.93s (New PB)

A: 1:19.59 (+10.22s | 11.4%)

TYR BAC SPOOKY FALL CLASSIC

10/25/2025

Burlingame

50 Y Free

34.33

-1.84s (New PB)

A: 31.09 (+3.24s | 9.4%)

200 Y IM

3:06.88

A: 2:53.49 (+13.39s | 7.2%)

50 Y Breast

48.06

-2.08s (New PB)

BB: 47.69 (+0.37s | 0.8%)

100 Y Fly

1:42.03

BB: 1:38.99 (+3.04s | 3.0%)

50 Y Back

42.71

-3.38s (New PB)

A: 37.59 (+5.12s | 12.0%)

2025 Los Altos Mountain View SC CBA Meet

03/22/2025

Mountain View

50 Y Free

36.61

+0.44s

BB: 34.59 (+2.02s | 5.5%)

100 Y IM

1:37.60

+2.58s

BB: 1:29.69 (+7.91s | 8.1%)

50 IM

46.04

100 IM

51.56

1:37.60

100 IM

1:37.60

200 Y Free

2:56.70

-0.62s (New PB)

BB: 2:50.59 (+6.11s | 3.5%)

50 Free

39.37

100 Free

45.93

1:25.30

100 Free

1:25.30

150 Free

47.76

2:13.06

200 Free

43.64

2:56.70

100 Free

1:31.40

500 Y Free

7:41.47

BB: 7:33.79 (+7.68s | 1.7%)

50 Free

38.10

100 Free

44.45

1:22.55

100 Free

1:22.55

150 Free

46.31

2:08.86

200 Free

47.62

2:56.48

100 Free

1:33.93

250 Free

1:34.76

4:31.24

300 Free

48.13

5:19.37

100 Free

2:22.89

350 Free

47.42

6:06.79

400 Free

48.20

6:54.99

100 Free

1:35.62

450 Free

46.69

7:41.68

500 Free

0.-21

7:41.47

100 Free

46.48

2025 Tri Venue Last Chance Meet PASA

02/22/2025

Palo Alto

100 Y Free

1:20.40

+0.85s

BB: 1:18.89 (+1.51s | 1.9%)

50 Y Fly

49.88

B: 46.49 (+3.39s | 6.8%)

100 Y Back

1:38.33

+2.59s

BB: 1:30.09 (+8.24s | 8.4%)

100 Y Breast

1:52.46

+6.61s

BB: 1:42.29 (+10.17s | 9.0%)

50 Y Free

36.17

-0.11s (New PB)

BB: 34.59 (+1.58s | 4.4%)

100 Y IM

1:36.81

+1.79s

BB: 1:29.69 (+7.12s | 7.4%)

50 Y Breast

51.78

+1.64s

BB: 47.69 (+4.09s | 7.9%)

50 Y Back

47.29

+1.20s

BB: 42.89 (+4.40s | 9.3%)

2025 Neptune Swimming Invitational

02/14/2025

Santa Rosa

100 Y Free

1:19.55

-1.25s (New PB)

BB: 1:18.89 (+0.66s | 0.8%)

50 Free

38.04

100 Free

41.51

1:19.55

100 Free

1:19.55

50 Y Free

36.63

+0.35s

BB: 34.59 (+2.04s | 5.6%)

100 Y Breast

1:51.02

+5.17s

BB: 1:42.29 (+8.73s | 7.9%)

50 Breast

52.54

100 Breast

58.48

1:51.02

100 Breast

1:51.02

Z1N SC Championship

01/25/2025

Sunnyvale

50 Y Free

37.13

+0.85s

BB: 34.59 (+2.54s | 6.8%)

100 Y Free

1:20.80

-0.08s (New PB)

BB: 1:18.89 (+1.91s | 2.4%)

50 Free

38.31

100 Free

42.49

1:20.80

100 Free

1:20.80

South San Francisco New Year Splash C B A+

01/11/2025

Pacifica

100 Y Free

1:20.88

-0.75s (New PB)

BB: 1:18.89 (+1.99s | 2.5%)

50 Y Back

46.09

-2.63s (New PB)

BB: 42.89 (+3.20s | 6.9%)

100 Y Breast

1:52.36

+6.51s

BB: 1:42.29 (+10.07s | 9.0%)

2024 PASA Winter Frolic Meet @ PALY HS

12/21/2024

Palo Alto

100 Y Back

1:35.74

BB: 1:30.09 (+5.65s | 5.9%)

50 Back

45.80

100 Back

49.94

1:35.74

100 Back

1:35.74

100 Y IM

1:35.02

BB: 1:29.69 (+5.33s | 5.6%)

50 IM

46.59

100 IM

48.43

1:35.02

100 IM

1:35.02

100 Y Breast

1:45.85

-3.28s (New PB)

BB: 1:42.29 (+3.56s | 3.4%)

50 Breast

50.87

100 Breast

54.98

1:45.85

100 Breast

1:45.85

2024 PASA Grand Tour Meet

11/23/2024

Palo Alto

200 Y Free

2:57.32

BB: 2:50.59 (+6.73s | 3.8%)

50 Free

39.18

100 Free

46.13

1:25.31

100 Free

1:25.31

150 Free

47.76

2:13.07

200 Free

44.25

2:57.32

100 Free

1:32.01

50 Y Free

36.28

-0.30s (New PB)

BB: 34.59 (+1.69s | 4.7%)

50 Y Back

49.82

+1.10s

B: 48.29 (+1.53s | 3.1%)

50 Y Breast

51.50

+1.36s

BB: 47.69 (+3.81s | 7.4%)

2024 Joyce Lanphere Invitational

11/02/2024

Palo Alto

100 Y Free

1:21.63

-1.49s (New PB)

BB: 1:18.89 (+2.74s | 3.4%)

TYR BAC Spooky Fall Classic C B A+ Meet

10/26/2024

Burlingame

100 Y Free

1:23.12

BB: 1:18.89 (+4.23s | 5.1%)

100 Y Breast

1:49.13

BB: 1:42.29 (+6.84s | 6.3%)

50 Y Free

36.58

BB: 34.59 (+1.99s | 5.4%)

50 Y Breast

50.14

BB: 47.69 (+2.45s | 4.9%)

50 Y Back

48.72

B: 48.29 (+0.43s | 0.9%)

Burlingame Aquatic Club Long Course CBA+

06/07/2024

Burlingame

50 M Free

48.55

+2.51s

B: 43.89 (+4.66s | 9.6%)

50 M Breast

1:05.72

B: 1:00.89 (+4.83s | 7.3%)

PASA Mayhem LCM Meet

05/18/2024

San Jose

50 M Free

46.04

B: 43.89 (+2.15s | 4.7%)

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	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	34.33	30.99 (+3.34s \| 9.7%)	30.19 (+4.14s \| 12.1%)	26.89 (+7.44s \| 21.7%)	24.79 (+9.54s \| 27.8%)	23.29 (+11.04s \| 32.2%)	22.19 (+12.14s \| 35.4%)	21.29 (+13.04s \| 38.0%)	21.29 (+13.04s \| 38.0%)	20.59 (+13.74s \| 40.0%)	20.09 (+14.24s \| 41.5%)	20.39 (+13.94s \| 40.6%)	N/A	30.49 (+3.84s \| 11.2%)
Free 100 Y	1:14.47	1:09.69 (+4.78s \| 6.4%)	1:07.59 (+6.88s \| 9.2%)	58.69 (+15.78s \| 21.2%)	54.19 (+20.28s \| 27.2%)	51.19 (+23.28s \| 31.3%)	48.19 (+26.28s \| 35.3%)	46.39 (+28.08s \| 37.7%)	46.39 (+28.08s \| 37.7%)	45.09 (+29.38s \| 39.5%)	43.49 (+30.98s \| 41.6%)	44.39 (+30.08s \| 40.4%)	N/A	1:07.19 (+7.28s \| 9.8%)
Free 200 Y	2:42.61	2:29.39 (+13.22s \| 8.1%)	2:26.99 (+15.62s \| 9.6%)	2:08.39 (+34.22s \| 21.0%)	1:58.59 (+44.02s \| 27.1%)	1:52.09 (+50.52s \| 31.1%)	1:45.79 (+56.82s \| 34.9%)	1:41.59 (+61.02s \| 37.5%)	1:41.59 (+61.02s \| 37.5%)	1:38.79 (+63.82s \| 39.2%)	1:36.49 (+66.12s \| 40.7%)	1:38.09 (+64.52s \| 39.7%)	N/A	2:24.99 (+17.62s \| 10.8%)
Free 500 Y	7:41.47	6:37.09 (+64.38s \| 14.0%)	6:26.79 (+74.68s \| 16.2%)	5:47.89 (+113.58s \| 24.6%)	5:21.19 (+140.28s \| 30.4%)	5:04.39 (+157.08s \| 34.0%)	4:47.79 (+173.68s \| 37.6%)	4:37.09 (+184.38s \| 40.0%)	4:37.09 (+184.38s \| 40.0%)	4:29.49 (+191.98s \| 41.6%)	4:22.09 (+199.38s \| 43.2%)	4:27.69 (+193.78s \| 42.0%)	N/A	6:25.49 (+75.98s \| 16.5%)
Back 50 Y	42.71	36.99 (+5.72s \| 13.4%)	35.79 (+6.92s \| 16.2%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+6.42s \| 15.0%)
Back 100 Y	1:29.81	1:18.89 (+10.92s \| 12.2%)	1:17.09 (+12.72s \| 14.2%)	1:04.69 (+25.12s \| 28.0%)	59.79 (+30.02s \| 33.4%)	55.99 (+33.82s \| 37.7%)	53.89 (+35.92s \| 40.0%)	51.49 (+38.32s \| 42.7%)	51.49 (+38.32s \| 42.7%)	49.39 (+40.42s \| 45.0%)	47.59 (+42.22s \| 47.0%)	48.89 (+40.92s \| 45.6%)	N/A	1:16.59 (+13.22s \| 14.7%)
Breast 50 Y	48.06	40.99 (+7.07s \| 14.7%)	39.99 (+8.07s \| 16.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+7.77s \| 16.2%)
Breast 100 Y	1:41.44	1:28.99 (+12.45s \| 12.3%)	1:26.99 (+14.45s \| 14.2%)	1:13.59 (+27.85s \| 27.5%)	1:07.89 (+33.55s \| 33.1%)	1:02.89 (+38.55s \| 38.0%)	1:00.89 (+40.55s \| 40.0%)	57.99 (+43.45s \| 42.8%)	57.99 (+43.45s \| 42.8%)	55.89 (+45.55s \| 44.9%)	54.19 (+47.25s \| 46.6%)	55.29 (+46.15s \| 45.5%)	N/A	1:26.29 (+15.15s \| 14.9%)
Fly 50 Y	49.88	35.39 (+14.49s \| 29.0%)	33.99 (+15.89s \| 31.9%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+15.19s \| 30.5%)
Fly 100 Y	1:42.03	1:22.69 (+19.34s \| 19.0%)	1:20.49 (+21.54s \| 21.1%)	1:03.89 (+38.14s \| 37.4%)	58.99 (+43.04s \| 42.2%)	55.49 (+46.54s \| 45.6%)	52.89 (+49.14s \| 48.2%)	50.59 (+51.44s \| 50.4%)	50.59 (+51.44s \| 50.4%)	48.99 (+53.04s \| 52.0%)	47.79 (+54.24s \| 53.2%)	48.39 (+53.64s \| 52.6%)	N/A	1:19.89 (+22.14s \| 21.7%)
IM 100 Y	1:35.02	1:18.89 (+16.13s \| 17.0%)	1:16.89 (+18.13s \| 19.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+18.03s \| 19.0%)
IM 200 Y	3:06.88	2:50.99 (+15.89s \| 8.5%)	2:47.99 (+18.89s \| 10.1%)	2:23.29 (+43.59s \| 23.3%)	2:12.29 (+54.59s \| 29.2%)	2:04.69 (+62.19s \| 33.3%)	1:58.19 (+68.69s \| 36.8%)	1:53.89 (+72.99s \| 39.1%)	1:53.89 (+72.99s \| 39.1%)	1:50.09 (+76.79s \| 41.1%)	1:46.39 (+80.49s \| 43.1%)	1:48.89 (+77.99s \| 41.7%)	N/A	2:46.19 (+20.69s \| 11.1%)