William Sun

Age: 9 years old
Age Category: 10 & under
Team: Coast Gaurd Blue Dolphins | Virginia Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Virginia Swimming

Coast Gaurd Blue Dolphins

Free 25 Y

24.84

01/06/2024

509

Free 50 Y

35.24

12/05/2025

BB: 34.59 (+0.65s | 1.8%)

158

Free 100 Y

1:16.83

11/07/2025

A: 1:09.79 (+7.04s | 9.2%)

50 Free

36.17

100 Free

40.66

1:16.83

100 Free

1:16.83

Free 200 Y

2:46.26

12/05/2025

A: 2:31.59 (+14.67s | 8.8%)

50 Free

36.91

100 Free

42.57

1:19.48

100 Free

1:19.48

150 Free

44.38

2:03.86

200 Free

42.40

2:46.26

100 Free

1:26.78

Back 25 Y

31.55

01/06/2024

576

Back 50 Y

39.07

12/05/2025

A: 37.59 (+1.48s | 3.8%)

Back 100 Y

1:24.65

11/07/2025

A: 1:19.59 (+5.06s | 6.0%)

Breast 50 Y

45.25

12/05/2025

A: 42.09 (+3.16s | 7.0%)

Breast 100 Y

1:41.38

11/07/2025

A: 1:30.59 (+10.79s | 10.6%)

50 Breast

48.69

100 Breast

52.69

1:41.38

100 Breast

1:41.38

Fly 50 Y

42.06

12/05/2025

BB: 41.29 (+0.77s | 1.8%)

121

IM 200 Y

3:13.45

11/07/2025

A: 2:53.49 (+19.96s | 10.3%)

50 Fly

46.32

100 Back

45.86

1:32.18

100 IM

1:32.18

150 Breast

57.52

2:29.70

200 Free

43.75

3:13.45

100 IM

1:41.27

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Virginia Swimming

Coast Gaurd Blue Dolphins

Free 25 M

21.57

04/20/2024

Free 50 M

50.36

06/13/2024

B: 43.89 (+6.47s | 12.8%)

120

Free 100 M

1:57.89

07/11/2024

B: 1:40.99 (+16.90s | 14.3%)

104

50 Free

53.65

100 Free

1:04.24

1:57.89

100 Free

1:57.89

Back 25 M

26.26

04/20/2024

Back 50 M

56.33

06/27/2024

B: 55.39 (+0.94s | 1.7%)

100

Breast 25 M

32.25

04/20/2024

Fly 25 M

30.88

04/20/2024

Fly 50 M

1:16.80

06/27/2024

B: 52.29 (+24.51s | 31.9%)

Above are the fastest times that William Sun 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	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	35.24	22.19 (+13.05s \| 37.0%)	21.29 (+13.95s \| 39.6%)	21.29 (+13.95s \| 39.6%)	20.59 (+14.65s \| 41.6%)	20.09 (+15.15s \| 43.0%)	20.39 (+14.85s \| 42.1%)	30.49 (+4.75s \| 13.5%)
Free 100 Y	1:16.83	48.19 (+28.64s \| 37.3%)	46.39 (+30.44s \| 39.6%)	46.39 (+30.44s \| 39.6%)	45.09 (+31.74s \| 41.3%)	43.49 (+33.34s \| 43.4%)	44.39 (+32.44s \| 42.2%)	1:07.19 (+9.64s \| 12.5%)
Free 200 Y	2:46.26	1:45.79 (+60.47s \| 36.4%)	1:41.59 (+64.67s \| 38.9%)	1:41.59 (+64.67s \| 38.9%)	1:38.79 (+67.47s \| 40.6%)	1:36.49 (+69.77s \| 42.0%)	1:38.09 (+68.17s \| 41.0%)	2:24.99 (+21.27s \| 12.8%)
Back 50 Y	39.07	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+2.78s \| 7.1%)
Back 100 Y	1:24.65	53.89 (+30.76s \| 36.3%)	51.49 (+33.16s \| 39.2%)	51.49 (+33.16s \| 39.2%)	49.39 (+35.26s \| 41.7%)	47.59 (+37.06s \| 43.8%)	48.89 (+35.76s \| 42.2%)	1:16.59 (+8.06s \| 9.5%)
Breast 50 Y	45.25	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+4.96s \| 11.0%)
Breast 100 Y	1:41.38	1:00.89 (+40.49s \| 39.9%)	57.99 (+43.39s \| 42.8%)	57.99 (+43.39s \| 42.8%)	55.89 (+45.49s \| 44.9%)	54.19 (+47.19s \| 46.5%)	55.29 (+46.09s \| 45.5%)	1:26.29 (+15.09s \| 14.9%)
Fly 50 Y	42.06	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+7.37s \| 17.5%)
IM 200 Y	3:13.45	1:58.19 (+75.26s \| 38.9%)	1:53.89 (+79.56s \| 41.1%)	1:53.89 (+79.56s \| 41.1%)	1:50.09 (+83.36s \| 43.1%)	1:46.39 (+87.06s \| 45.0%)	1:48.89 (+84.56s \| 43.7%)	2:46.19 (+27.26s \| 14.1%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 25 M	21.57	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Free 50 M	50.36	25.89 (+24.47s \| 48.6%)	24.59 (+25.77s \| 51.2%)	24.59 (+25.77s \| 51.2%)	24.29 (+26.07s \| 51.8%)	23.39 (+26.97s \| 53.6%)	23.79 (+26.57s \| 52.8%)	34.59 (+15.77s \| 31.3%)
Free 100 M	1:57.89	56.09 (+61.80s \| 52.4%)	53.59 (+64.30s \| 54.5%)	53.59 (+64.30s \| 54.5%)	52.59 (+65.30s \| 55.4%)	50.99 (+66.90s \| 56.7%)	51.99 (+65.90s \| 55.9%)	1:16.89 (+41.00s \| 34.8%)
Back 25 M	26.26	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Back 50 M	56.33	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+14.74s \| 26.2%)
Breast 25 M	32.25	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Fly 25 M	30.88	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Fly 50 M	1:16.80	N/A	N/A	N/A	N/A	N/A	N/A	39.19 (+37.61s \| 49.0%)

Progression

See how William Sun 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 Sun 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

2025 757swim Grand Illumination

12/05/2025

Williamsburg

200 Y Free

2:46.26

-4.10s (New PB)

A: 2:31.59 (+14.67s | 8.8%)

50 Free

36.91

100 Free

42.57

1:19.48

100 Free

1:19.48

150 Free

44.38

2:03.86

200 Free

42.40

2:46.26

100 Free

1:26.78

50 Y Free

35.24

-32.77s (New PB)

BB: 34.59 (+0.65s | 1.8%)

50 Y Fly

42.06

-1.77s (New PB)

BB: 41.29 (+0.77s | 1.8%)

50 Y Back

39.07

-0.26s (New PB)

A: 37.59 (+1.48s | 3.8%)

100 Y Back

1:25.02

+0.37s

A: 1:19.59 (+5.43s | 6.4%)

50 Back

40.65

100 Back

44.37

1:25.02

100 Back

1:25.02

50 Y Breast

45.25

-0.87s (New PB)

A: 42.09 (+3.16s | 7.0%)

2025 CGBD Carl Warner Classic

11/07/2025

Newport News

100 Y Free

1:16.83

A: 1:09.79 (+7.04s | 9.2%)

50 Free

36.17

100 Free

40.66

1:16.83

100 Free

1:16.83

100 Y Back

1:24.65

A: 1:19.59 (+5.06s | 6.0%)

100 Y Breast

1:41.38

A: 1:30.59 (+10.79s | 10.6%)

50 Breast

48.69

100 Breast

52.69

1:41.38

100 Breast

1:41.38

200 Y IM

3:13.45

A: 2:53.49 (+19.96s | 10.3%)

50 Fly

46.32

100 Back

45.86

1:32.18

100 IM

1:32.18

150 Breast

57.52

2:29.70

200 Free

43.75

3:13.45

100 IM

1:41.27

50 Y Fly

43.83

BB: 41.29 (+2.54s | 5.8%)

200 Y Free

2:50.36

A: 2:31.59 (+18.77s | 11.0%)

50 Free

37.84

100 Free

43.93

1:21.77

100 Free

1:21.77

150 Free

44.85

2:06.62

200 Free

43.74

2:50.36

100 Free

1:28.59

50 Y Breast

46.12

A: 42.09 (+4.03s | 8.7%)

50 Y Back

39.33

A: 37.59 (+1.74s | 4.4%)

2024 VSI Regional Summer Awards

07/11/2024

Richmond

50 M Free

51.91

+1.55s

B: 43.89 (+8.02s | 15.4%)

50 M Back

56.83

+0.50s

B: 55.39 (+1.44s | 2.5%)

100 M Free

1:57.89

B: 1:40.99 (+16.90s | 14.3%)

50 Free

53.65

100 Free

1:04.24

1:57.89

100 Free

1:57.89

NOVA Firecracker Classic

06/27/2024

Richmond

50 M Free

52.20

+1.84s

B: 43.89 (+8.31s | 15.9%)

50 M Back

56.33

B: 55.39 (+0.94s | 1.7%)

50 M Fly

1:16.80

B: 52.29 (+24.51s | 31.9%)

2024 CGBD Steve Hennessy Summer Madness

06/13/2024

Hampton

50 M Free

50.36

B: 43.89 (+6.47s | 12.8%)

757Swim Spring Challenge

04/20/2024

Williamsburg

25 M Fly

30.88

25 M Back

26.26

25 M Breast

32.25

25 M Free

21.57

ODAC January 2024 8 U 9 12 Rising Stars

01/06/2024

Newport News

25 Y Back

31.55

-9.67s (New PB)

25 Y Free

24.84

-1.81s (New PB)

2023 CGBD SE District BC Meet

10/14/2023

Newport News

25 Y Back

41.22

25 Y Free

26.65

50 Y Free

1:08.01

B: 38.19 (+29.82s | 43.8%)

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.