Sein Moon

Age: 9 years old
Age Category: 10 & under
Team: Pleasanton Seahawks | Pacific Swimming

Personal Best

Short course distance

Event	Time		Age	Date	Standard	Next Standard	Pleasanton Seahawks	Pacific Swimming	Western Zone	USA
Free 25 Y	17.89		9	03/28/2026			3	135	373	1,000+

Free 50 Y	42.77		9	01/10/2026		B: 39.79 (+2.98s \| 7.0%)	11	572	1,000+	1,000+

Free 100 Y	1:35.31	Analysis	9	01/31/2026		B: 1:30.79 (+4.52s \| 4.7%)	11	445	1,000+	1,000+

Back 25 Y	21.56		9	02/20/2026			4	119	362	1,000+

Back 50 Y	48.53		9	02/20/2026	B	BB: 43.29 (+5.24s \| 10.8%)	10	391	1,000+	1,000+

Breast 25 Y	22.17		9	01/31/2026			2	35	85	279

Breast 50 Y	48.53		9	02/20/2026	BB	A: 42.79 (+5.74s \| 11.8%)	7	182	699	1,000+

Fly 25 Y	20.72		9	10/18/2025			3	122	308	1,000+

Fly 50 Y	54.61		9	02/20/2026		B: 48.39 (+6.22s \| 11.4%)	9	461	1,000+	1,000+

IM 100 Y	1:42.73	Analysis	9	03/28/2026	B	BB: 1:33.19 (+9.54s \| 9.3%)	9	340	1,000+	1,000+

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Pleasanton Seahawks	Pacific Swimming	Western Zone	USA
Free 50 M	43.32		9	06/13/2026	B	BB: 40.89 (+2.43s \| 5.6%)	12	223	1,000+	1,000+

Free 100 M	1:37.84	Analysis	9	06/13/2026	B	BB: 1:32.99 (+4.85s \| 5.0%)	8	217	888	1,000+

Back 50 M	51.33		9	06/20/2026	B	BB: 49.69 (+1.64s \| 3.2%)	10	202	982	1,000+

Back 100 M	1:55.64	Analysis	9	06/13/2026	B	BB: 1:48.09 (+7.55s \| 6.5%)	7	208	957	1,000+

Breast 50 M	52.95		9	06/20/2026	BB	A: 48.79 (+4.16s \| 7.9%)	6	102	466	1,000+

Breast 100 M	1:55.56	Analysis	9	06/20/2026	BB	A: 1:48.39 (+7.17s \| 6.2%)	5	97	446	1,000+

Fly 50 M	52.82		9	05/23/2026	B	BB: 48.09 (+4.73s \| 9.0%)	8	208	838	1,000+

Above are the fastest times that Sein Moon has achieved in her swimming career. For each event, you can find Sein's best time, the corresponding time standard, as well as how much faster Sein needs to be to reach the next level. The last columns provide Sein rankings at the team and LSC levels. These rankings are based on the Sein'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	42.77	31.39 (+11.38s \| 26.6%)	30.59 (+12.18s \| 28.5%)	29.99 (+12.78s \| 29.9%)	27.69 (+15.08s \| 35.3%)	26.09 (+16.68s \| 39.0%)	24.89 (+17.88s \| 41.8%)	23.89 (+18.88s \| 44.1%)	23.89 (+18.88s \| 44.1%)	23.29 (+19.48s \| 45.5%)	22.59 (+20.18s \| 47.2%)	22.79 (+19.98s \| 46.7%)	N/A	30.89 (+11.88s \| 27.8%)
Free 100 Y	1:35.31	1:10.49 (+24.82s \| 26.0%)	1:08.09 (+27.22s \| 28.6%)	1:04.99 (+30.32s \| 31.8%)	59.99 (+35.32s \| 37.1%)	56.59 (+38.72s \| 40.6%)	53.99 (+41.32s \| 43.4%)	51.89 (+43.42s \| 45.6%)	51.89 (+43.42s \| 45.6%)	50.39 (+44.92s \| 47.1%)	49.29 (+46.02s \| 48.3%)	49.69 (+45.62s \| 47.9%)	N/A	1:08.19 (+27.12s \| 28.5%)
Back 50 Y	48.53	36.69 (+11.84s \| 24.4%)	35.49 (+13.04s \| 26.9%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+12.04s \| 24.8%)
Breast 50 Y	48.53	41.69 (+6.84s \| 14.1%)	40.29 (+8.24s \| 17.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+8.14s \| 16.8%)
Fly 50 Y	54.61	36.19 (+18.42s \| 33.7%)	33.99 (+20.62s \| 37.8%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+19.52s \| 35.7%)
IM 100 Y	1:42.73	1:20.09 (+22.64s \| 22.0%)	1:17.09 (+25.64s \| 25.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+25.04s \| 24.4%)

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	43.32	35.59 (+7.73s \| 17.8%)	34.79 (+8.53s \| 19.7%)	34.29 (+9.03s \| 20.8%)	31.69 (+11.63s \| 26.8%)	29.89 (+13.43s \| 31.0%)	28.69 (+14.63s \| 33.8%)	27.39 (+15.93s \| 36.8%)	27.39 (+15.93s \| 36.8%)	26.89 (+16.43s \| 37.9%)	26.29 (+17.03s \| 39.3%)	26.59 (+16.73s \| 38.6%)	N/A	25.69 (+17.63s \| 40.7%)	35.19 (+8.13s \| 18.8%)
Free 100 M	1:37.84	1:20.19 (+17.65s \| 18.0%)	1:17.59 (+20.25s \| 20.7%)	1:14.09 (+23.75s \| 24.3%)	1:08.39 (+29.45s \| 30.1%)	1:04.99 (+32.85s \| 33.6%)	1:01.89 (+35.95s \| 36.7%)	59.29 (+38.55s \| 39.4%)	59.29 (+38.55s \| 39.4%)	58.19 (+39.65s \| 40.5%)	56.99 (+40.85s \| 41.8%)	57.59 (+40.25s \| 41.1%)	N/A	55.79 (+42.05s \| 43.0%)	1:17.49 (+20.35s \| 20.8%)
Back 50 M	51.33	42.89 (+8.44s \| 16.4%)	40.49 (+10.84s \| 21.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	41.79 (+9.54s \| 18.6%)
Back 100 M	1:55.64	1:32.69 (+22.95s \| 19.8%)	1:26.79 (+28.85s \| 24.9%)	1:22.29 (+33.35s \| 28.8%)	1:15.99 (+39.65s \| 34.3%)	1:11.79 (+43.85s \| 37.9%)	1:09.49 (+46.15s \| 39.9%)	1:06.79 (+48.85s \| 42.2%)	1:06.79 (+48.85s \| 42.2%)	1:04.79 (+50.85s \| 44.0%)	1:03.69 (+51.95s \| 44.9%)	1:04.39 (+51.25s \| 44.3%)	N/A	1:01.89 (+53.75s \| 46.5%)	1:30.29 (+25.35s \| 21.9%)
Breast 50 M	52.95	47.49 (+5.46s \| 10.3%)	45.89 (+7.06s \| 13.3%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.19 (+6.76s \| 12.8%)
Breast 100 M	1:55.56	1:44.89 (+10.67s \| 9.2%)	1:41.19 (+14.37s \| 12.4%)	1:33.89 (+21.67s \| 18.8%)	1:26.69 (+28.87s \| 25.0%)	1:21.69 (+33.87s \| 29.3%)	1:18.79 (+36.77s \| 31.8%)	1:15.99 (+39.57s \| 34.2%)	1:15.99 (+39.57s \| 34.2%)	1:13.79 (+41.77s \| 36.1%)	1:12.19 (+43.37s \| 37.5%)	1:13.29 (+42.27s \| 36.6%)	N/A	1:10.29 (+45.27s \| 39.2%)	1:41.49 (+14.07s \| 12.2%)
Fly 50 M	52.82	40.79 (+12.03s \| 22.8%)	38.49 (+14.33s \| 27.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	39.69 (+13.13s \| 24.9%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

Alto Summer Swelter

06/20/2026

Freemont

100 M Breast

1:55.56

-4.06s (New PB)

A: 1:48.39 (+7.17s | 6.2%)

50 M Breast

52.95

-2.71s (New PB)

A: 48.79 (+4.16s | 7.9%)

50 M Back

51.33

-5.96s (New PB)

BB: 49.69 (+1.64s | 3.2%)

50 M Free

44.62

+1.30s

BB: 40.89 (+3.73s | 8.4%)

100 M Free

1:41.58

+3.74s

BB: 1:32.99 (+8.59s | 8.5%)

50 M Fly

56.39

+3.57s

B: 54.49 (+1.90s | 3.4%)

PC CDST LC C B BB+ 26 074

06/13/2026

Fremont

50 M Breast

55.66

-1.55s (New PB)

BB: 55.49 (+0.17s | 0.3%)

100 M Free

1:37.84

-5.04s (New PB)

BB: 1:32.99 (+4.85s | 5.0%)

50 M Fly

55.40

+2.58s

B: 54.49 (+0.91s | 1.6%)

100 M Breast

1:59.62

A: 1:48.39 (+11.23s | 9.4%)

50 M Free

43.32

-4.55s (New PB)

BB: 40.89 (+2.43s | 5.6%)

100 M Back

1:55.64

BB: 1:48.09 (+7.55s | 6.5%)

2026 Tiger Aquatics C B BB+ Memorial Day Meet

05/23/2026

Stockton

50 M Fly

52.82

BB: 48.09 (+4.73s | 9.0%)

100 M Free

1:42.88

-3.02s (New PB)

BB: 1:32.99 (+9.89s | 9.6%)

50 M Breast

57.21

-2.91s (New PB)

BB: 55.49 (+1.72s | 3.0%)

Brentwood Seawolves Long Course C B BB+

04/25/2026

Brentwood

50 M Free

47.87

-2.40s (New PB)

B: 45.29 (+2.58s | 5.4%)

100 M Free

1:45.90

B: 1:44.09 (+1.81s | 1.7%)

PC CDST SC C B BB+ Meet

03/28/2026

Fremont

25 Y Breast

22.81

+0.64s

100 Y Free

1:36.67

+1.36s

B: 1:30.79 (+5.88s | 6.1%)

100 Y IM

1:42.73

-1.13s (New PB)

BB: 1:33.19 (+9.54s | 9.3%)

25 Y Free

17.89

-0.08s (New PB)

SRVA Last Chance Meet B BB+

03/07/2026

San Ramon

50 Y Back

49.00

+0.47s

B: 48.59 (+0.41s | 0.8%)

100 Y IM

1:44.94

+1.08s

B: 1:44.29 (+0.65s | 0.6%)

Pacific Swim SCY C B BB+ Meet Hosted By TERA

02/20/2026

Concord

50 Y Breast

48.53

-1.31s (New PB)

A: 42.79 (+5.74s | 11.8%)

50 Y Free

43.09

+0.32s

B: 39.79 (+3.30s | 7.7%)

50 Y Back

48.53

-0.23s (New PB)

BB: 43.29 (+5.24s | 10.8%)

25 Y Fly

21.04

+0.32s

100 Y IM

1:45.62

+1.76s

B: 1:44.29 (+1.33s | 1.3%)

25 Y Back

21.56

-1.73s (New PB)

25 Y Breast

23.98

+1.81s

50 Y Fly

54.61

B: 48.39 (+6.22s | 11.4%)

Zone 2 Winter Championship Meet

01/31/2026

Hayward

25 Y Back

23.29

-0.37s (New PB)

50 Y Free

42.85

+0.08s

B: 39.79 (+3.06s | 7.1%)

25 Y Fly

21.90

+1.18s

25 Y Free

17.97

-0.32s (New PB)

25 Y Breast

22.17

-0.18s (New PB)

100 Y IM

1:43.86

-1.22s (New PB)

BB: 1:33.19 (+10.67s | 10.3%)

100 Y Free

1:35.31

-4.62s (New PB)

B: 1:30.79 (+4.52s | 4.7%)

Pleasanton Seahawks SCY C B BB+ Meet

01/10/2026

Pleasanton

25 Y Free

18.50

+0.21s

100 Y IM

1:50.42

+5.34s

B: 1:44.29 (+6.13s | 5.6%)

25 Y Breast

22.35

-0.17s (New PB)

50 Y Free

42.77

-0.41s (New PB)

B: 39.79 (+2.98s | 7.0%)

25 Y Fly

22.00

+1.28s

50 Y Back

50.14

+1.38s

B: 48.59 (+1.55s | 3.1%)

Pacific Swim SC C B BB+ Hosted By TERA

12/05/2025

Concord

100 Y Free

1:42.59

+2.66s

B: 1:30.79 (+11.80s | 11.5%)

50 Y Free

43.87

+0.69s

B: 39.79 (+4.08s | 9.3%)

100 Y IM

1:45.08

-3.94s (New PB)

B: 1:44.29 (+0.79s | 0.8%)

25 Y Fly

23.74

+3.02s

25 Y Breast

24.61

+2.09s

50 Y Breast

50.07

+0.23s

BB: 48.69 (+1.38s | 2.8%)

Alto Nov 15 16 Fall Frolic

11/15/2025

Palo Alto

50 Y Breast

50.58

+0.74s

BB: 48.69 (+1.89s | 3.7%)

50 Y Free

44.74

+1.56s

B: 39.79 (+4.95s | 11.1%)

100 Y Free

1:39.93

-1.60s (New PB)

B: 1:30.79 (+9.14s | 9.1%)

50 Free

46.06

100 Free

53.87

1:39.93

100 Free

1:39.93

50 Y Back

48.76

-3.91s (New PB)

B: 48.59 (+0.17s | 0.3%)

PC SRVA SCY B BB+ Meet

10/18/2025

San Ramon

50 Y Back

52.67

-7.22s (New PB)

B: 48.59 (+4.08s | 7.7%)

100 Y Free

1:41.53

-5.62s (New PB)

B: 1:30.79 (+10.74s | 10.6%)

25 Y Fly

20.72

-2.19s (New PB)

25 Y Breast

22.52

-0.75s (New PB)

50 Y Free

43.18

-0.27s (New PB)

B: 39.79 (+3.39s | 7.9%)

25 Y Free

18.29

-0.55s (New PB)

Orinda Aquatics SC C B BB+ Meet

09/27/2025

Moraga

25 Y Free

18.84

-0.02s (New PB)

25 Y Breast

23.27

-0.35s (New PB)

100 Y IM

1:49.02

-19.34s (New PB)

B: 1:44.29 (+4.73s | 4.3%)

50 Y Free

45.04

+1.59s

B: 39.79 (+5.25s | 11.7%)

50 Y Breast

49.84

-5.66s (New PB)

BB: 48.69 (+1.15s | 2.3%)

25 Y Fly

24.28

+1.37s

Zone 2 Summer Championships

07/26/2025

Hayward

25 Y Free

18.86

-1.07s (New PB)

50 Y Free

43.45

-1.90s (New PB)

B: 39.79 (+3.66s | 8.4%)

25 Y Breast

23.62

-1.56s (New PB)

25 Y Fly

22.91

-0.74s (New PB)

25 Y Back

23.66

-0.61s (New PB)

Zone 2 Last Chance To AG Champs

06/20/2025

Concord

50 M Breast

1:00.13

+0.01s

BB: 55.49 (+4.64s | 7.7%)

2025 06 07 CDST LC C B BB+ Meet

06/07/2025

Fremont

50 M Back

57.29

-7.53s (New PB)

B: 55.79 (+1.50s | 2.6%)

50 M Free

50.27

B: 45.29 (+4.98s | 9.9%)

PacSwim LCM C B BB+ Hosted By TERA

04/26/2025

Concord

50 M Breast

1:00.12

BB: 55.49 (+4.63s | 7.7%)

50 M Back

1:04.82

B: 55.79 (+9.03s | 13.9%)

PC SRVA SCY B BB+ Last Chance Meet

03/01/2025

San Ramon

50 Y Breast

57.11

+1.61s

B: 54.59 (+2.52s | 4.4%)

Zone 2 Winter Championship Meet

02/01/2025

Hayward

25 Y Free

20.19

+0.26s

25 Y Breast

25.18

-0.34s (New PB)

50 Y Free

45.35

-0.83s (New PB)

B: 39.79 (+5.56s | 12.3%)

Crow Canyon Sharks Shortcourse C B BB+

01/11/2025

San Ramon

25 Y Back

24.43

+0.16s

50 Y Breast

56.71

+1.21s

B: 54.59 (+2.12s | 3.7%)

25 Y Fly

27.01

+3.36s

100 Y IM

2:08.36

-7.15s (New PB)

B: 1:44.29 (+24.07s | 18.8%)

25 Y Breast

26.96

+1.44s

25 Y Free

20.46

+0.53s

50 Y Free

48.38

+2.20s

B: 39.79 (+8.59s | 17.8%)

100 Y Free

1:47.15

B: 1:30.79 (+16.36s | 15.3%)

2024 12 14 CDST SC C B BB+ Meet

12/14/2024

Fremont

25 Y Fly

26.41

+2.76s

25 Y Free

19.93

-0.49s (New PB)

50 Y Breast

55.50

-6.72s (New PB)

B: 54.59 (+0.91s | 1.6%)

50 Y Free

47.09

+0.91s

B: 39.79 (+7.30s | 15.5%)

SRVA SCY CBBB+

11/02/2024

San Ramon

50 Y Free

46.18

-26.75s (New PB)

B: 39.79 (+6.39s | 13.8%)

25 Y Fly

23.65

-6.15s (New PB)

25 Y Breast

25.52

-3.29s (New PB)

25 Y Free

20.42

-4.44s (New PB)

25 Y Back

24.27

-4.75s (New PB)

Crow Fall Invitiational

11/11/2023

Walnut Creek

50 Y Free

1:12.93

B: 39.79 (+33.14s | 45.4%)

50 Y Breast

1:02.22

B: 54.59 (+7.63s | 12.3%)

50 Y Back

59.89

B: 48.59 (+11.30s | 18.9%)

100 Y IM

2:15.51

B: 1:44.29 (+31.22s | 23.0%)

Albany Armada Aquatics SC C B BB+

10/28/2023

Albany

25 Y Back

29.02

25 Y Free

24.86

25 Y Breast

28.81

-1.12s (New PB)

Orinda Aquatics SC C B BB+

09/30/2023

Moraga

25 Y Breast

29.93

25 Y Fly

29.80

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.