Mason Umemoto

Age: 11 years old
Age Category: 11-12
Team: Hilo Aquatic Club | Hawaiian Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Hilo Aquatic Club

Hawaiian Swimming

Western Zone

USA

Free 50 Y

29.21

02/26/2026

A: 28.09 (+1.12s | 3.8%)

853

1,000+

Free 100 Y

1:03.24

Analysis

02/26/2026

A: 1:01.29 (+1.95s | 3.1%)

654

1,000+

50 Free

30.43

100 Free

32.81

1:03.24

100 Free

1:03.24

Back 100 Y

1:33.83

Analysis

10/18/2025

B: 1:22.19 (+11.64s | 12.4%)

1,000+

50 Back

45.36

100 Back

48.47

1:33.83

100 Back

1:33.83

Breast 50 Y

40.68

02/07/2026

BB: 40.09 (+0.59s | 1.5%)

882

1,000+

Breast 100 Y

1:29.99

Analysis

03/07/2026

BB: 1:25.49 (+4.50s | 5.0%)

952

1,000+

50 Breast

42.27

100 Breast

47.72

1:29.99

100 Breast

1:29.99

Fly 50 Y

34.20

02/26/2026

BB: 34.19 (+0.01s | 0.0%)

785

1,000+

Fly 100 Y

1:17.45

Analysis

03/07/2026

BB: 1:16.09 (+1.36s | 1.8%)

662

1,000+

50 Fly

36.75

100 Fly

40.70

1:17.45

100 Fly

1:17.45

IM 100 Y

1:16.52

Analysis

03/07/2026

BB: 1:15.89 (+0.63s | 0.8%)

792

1,000+

50 IM

37.22

100 IM

39.30

1:16.52

100 IM

1:16.52

IM 200 Y

2:46.15

Analysis

02/26/2026

BB: 2:45.79 (+0.36s | 0.2%)

752

1,000+

50 Fly

37.76

100 Back

45.12

1:22.88

100 IM

1:22.88

150 Breast

49.31

2:12.19

200 Free

33.96

2:46.15

100 IM

1:23.27

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Hilo Aquatic Club	Hawaiian Swimming	Western Zone	USA

Above are the fastest times that Mason Umemoto has achieved in his swimming career. For each event, you can find Mason's best time, the corresponding time standard, as well as how much faster Mason needs to be to reach the next level. The last columns provide Mason rankings at the team and LSC levels. These rankings are based on the Mason'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	29.21	22.19 (+7.02s \| 24.0%)	21.29 (+7.92s \| 27.1%)	21.29 (+7.92s \| 27.1%)	20.59 (+8.62s \| 29.5%)	20.09 (+9.12s \| 31.2%)	20.39 (+8.82s \| 30.2%)	29.59 27.49 (+1.72s \| 5.9%)
Free 100 Y	1:03.24	48.19 (+15.05s \| 23.8%)	46.39 (+16.85s \| 26.6%)	46.39 (+16.85s \| 26.6%)	45.09 (+18.15s \| 28.7%)	43.49 (+19.75s \| 31.2%)	44.39 (+18.85s \| 29.8%)	1:03.09 (+0.15s \| 0.2%)
Back 100 Y	1:33.83	53.89 (+39.94s \| 42.6%)	51.49 (+42.34s \| 45.1%)	51.49 (+42.34s \| 45.1%)	49.39 (+44.44s \| 47.4%)	47.59 (+46.24s \| 49.3%)	48.89 (+44.94s \| 47.9%)	1:12.29 (+21.54s \| 23.0%)
Breast 50 Y	40.68	N/A	N/A	N/A	N/A	N/A	N/A	37.99 (+2.69s \| 6.6%)
Breast 100 Y	1:29.99	1:00.89 (+29.10s \| 32.3%)	57.99 (+32.00s \| 35.6%)	57.99 (+32.00s \| 35.6%)	55.89 (+34.10s \| 37.9%)	54.19 (+35.80s \| 39.8%)	55.29 (+34.70s \| 38.6%)	1:21.69 (+8.30s \| 9.2%)
Fly 50 Y	34.20	N/A	N/A	N/A	N/A	N/A	N/A	32.69 (+1.51s \| 4.4%)
Fly 100 Y	1:17.45	52.89 (+24.56s \| 31.7%)	50.59 (+26.86s \| 34.7%)	50.59 (+26.86s \| 34.7%)	48.99 (+28.46s \| 36.7%)	47.79 (+29.66s \| 38.3%)	48.39 (+29.06s \| 37.5%)	1:11.99 (+5.46s \| 7.0%)
IM 100 Y	1:16.52	N/A	N/A	N/A	N/A	N/A	N/A	1:12.79 (+3.73s \| 4.9%)
IM 200 Y	2:46.15	1:58.19 (+47.96s \| 28.9%)	1:53.89 (+52.26s \| 31.5%)	1:53.89 (+52.26s \| 31.5%)	1:50.09 (+56.06s \| 33.7%)	1:46.39 (+59.76s \| 36.0%)	1:48.89 (+57.26s \| 34.5%)	2:37.09 (+9.06s \| 5.5%)

Long Course Distance

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

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 HI Junior Age Group SCY Championship

03/07/2026

Kailua

100 Y IM

1:16.52

-2.22s (New PB)

BB: 1:15.89 (+0.63s | 0.8%)

50 IM

37.22

100 IM

39.30

1:16.52

100 IM

1:16.52

50 Y Breast

41.47

+0.79s

BB: 40.09 (+1.38s | 3.3%)

100 Y Fly

1:17.45

-3.04s (New PB)

BB: 1:16.09 (+1.36s | 1.8%)

50 Fly

36.75

100 Fly

40.70

1:17.45

100 Fly

1:17.45

100 Y Breast

1:29.99

-2.66s (New PB)

BB: 1:25.49 (+4.50s | 5.0%)

50 Breast

42.27

100 Breast

47.72

1:29.99

100 Breast

1:29.99

50 Y Free

29.98

+0.77s

A: 28.09 (+1.89s | 6.3%)

50 Y Fly

34.79

+0.59s

BB: 34.19 (+0.60s | 1.7%)

2026 HI Hawaiian Swimming SCY AGChamps

02/26/2026

Waipahu

100 Y Fly

1:20.49

BB: 1:16.09 (+4.40s | 5.5%)

50 Fly

37.74

100 Fly

42.75

1:20.49

100 Fly

1:20.49

200 Y IM

2:46.15

BB: 2:45.79 (+0.36s | 0.2%)

50 Fly

37.76

100 Back

45.12

1:22.88

100 IM

1:22.88

150 Breast

49.31

2:12.19

200 Free

33.96

2:46.15

100 IM

1:23.27

100 Y Free

1:03.24

-8.49s (New PB)

A: 1:01.29 (+1.95s | 3.1%)

50 Free

30.43

100 Free

32.81

1:03.24

100 Free

1:03.24

50 Y Free

29.21

-1.67s (New PB)

A: 28.09 (+1.12s | 3.8%)

50 Y Fly

34.20

-2.33s (New PB)

BB: 34.19 (+0.01s | 0.0%)

50 Y Breast

42.32

+1.64s

BB: 40.09 (+2.23s | 5.3%)

100 Y Breast

1:32.65

-4.27s (New PB)

B: 1:32.59 (+0.06s | 0.1%)

50 Breast

44.43

100 Breast

48.22

1:32.65

100 Breast

1:32.65

100 Y IM

1:18.74

-2.44s (New PB)

BB: 1:15.89 (+2.85s | 3.6%)

50 IM

38.61

100 IM

40.13

1:18.74

100 IM

1:18.74

BIG ISLAND SWIMMING @ KCAC

02/07/2026

Kailua-Kona

50 Y Fly

36.53

-3.93s (New PB)

BB: 34.19 (+2.34s | 6.4%)

50 Y Free

30.88

-0.33s (New PB)

BB: 30.49 (+0.39s | 1.3%)

50 Y Breast

40.68

-2.10s (New PB)

BB: 40.09 (+0.59s | 1.5%)

BIG ISLAND SWIMMING @ KCAC

11/08/2025

Kailua-Kona

50 Y Breast

42.78

BB: 40.09 (+2.69s | 6.3%)

100 Y IM

1:21.18

-5.49s (New PB)

BB: 1:15.89 (+5.29s | 6.5%)

50 IM

40.68

100 IM

40.50

1:21.18

100 IM

1:21.18

50 Y Fly

40.46

B: 37.09 (+3.37s | 8.3%)

100 Y Breast

1:36.92

-4.09s (New PB)

B: 1:32.59 (+4.33s | 4.5%)

50 Breast

46.96

100 Breast

49.96

1:36.92

100 Breast

1:36.92

50 Y Free

31.21

BB: 30.49 (+0.72s | 2.3%)

BIG ISLAND SWIMMING @ HPA

10/18/2025

Kamuela

100 Y Back

1:33.83

B: 1:22.19 (+11.64s | 12.4%)

50 Back

45.36

100 Back

48.47

1:33.83

100 Back

1:33.83

100 Y Free

1:11.73

B: 1:11.49 (+0.24s | 0.3%)

50 Free

33.99

100 Free

37.74

1:11.73

100 Free

1:11.73

100 Y IM

1:26.67

B: 1:21.89 (+4.78s | 5.5%)

50 IM

42.43

100 IM

44.24

1:26.67

100 IM

1:26.67

100 Y Breast

1:41.01

B: 1:32.59 (+8.42s | 8.3%)

50 Breast

47.74

100 Breast

53.27

1:41.01

100 Breast

1:41.01

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.