Mason Nishimura

Age: 15 years old
Age Category: 15-16
Team: Kamehameha Swim Club | Hawaiian Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Kamehameha Swim Club

Hawaiian Swimming

Western Zone

USA

Free 50 Y

24.43

02/26/2026

A: 24.19 (+0.24s | 1.0%)

1,000+

Free 100 Y

54.18

Analysis

10/25/2025

A: 53.19 (+0.99s | 1.8%)

1,000+

Free 200 Y

2:01.52

Analysis

10/25/2025

A: 1:56.59 (+4.93s | 4.1%)

1,000+

Back 100 Y

1:05.29

Analysis

02/15/2026

BB: 1:02.69 (+2.60s | 4.0%)

1,000+

50 Back

31.55

100 Back

33.74

1:05.29

100 Back

1:05.29

Back 200 Y

2:26.06

Analysis

12/06/2025

BB: 2:17.09 (+8.97s | 6.1%)

1,000+

Breast 100 Y

1:15.61

Analysis

10/25/2025

BB: 1:11.39 (+4.22s | 5.6%)

1,000+

Breast 200 Y

2:44.65

Analysis

10/25/2025

BB: 2:35.19 (+9.46s | 5.7%)

1,000+

Fly 50 Y

27.48

02/26/2026

814

1,000+

Fly 100 Y

59.76

Analysis

10/25/2025

A: 57.59 (+2.17s | 3.6%)

1,000+

Fly 200 Y

2:19.10

Analysis

10/25/2025

A: 2:08.79 (+10.31s | 7.4%)

689

1,000+

IM 200 Y

2:23.48

Analysis

10/25/2025

BB: 2:20.19 (+3.29s | 2.3%)

1,000+

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Kamehameha Swim Club

Hawaiian Swimming

Western Zone

USA

Free 50 M

27.38

04/25/2026

AA: 26.99 (+0.39s | 1.4%)

683

1,000+

Free 100 M

1:01.68

Analysis

04/25/2026

A: 1:01.49 (+0.19s | 0.3%)

985

1,000+

50 Free

28.88

100 Free

32.80

1:01.68

100 Free

1:01.68

Free 200 M

2:20.87

Analysis

05/16/2026

A: 2:14.29 (+6.58s | 4.7%)

1,000+

Free 400 M

5:09.73

Analysis

05/16/2026

A: 4:46.39 (+23.34s | 7.5%)

959

1,000+

Fly 50 M

30.75

04/25/2026

405

1,000+

Fly 100 M

1:08.46

Analysis

05/16/2026

A: 1:05.79 (+2.67s | 3.9%)

706

1,000+

IM 200 M

2:40.36

Analysis

04/25/2026

A: 2:30.99 (+9.37s | 5.8%)

972

1,000+

50 Fly

31.96

100 Back

41.69

1:13.65

100 IM

1:13.65

150 Breast

50.66

2:04.31

200 Free

36.05

2:40.36

100 IM

1:26.71

Above are the fastest times that Mason Nishimura 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
Free 50 Y	24.43	22.19 (+2.24s \| 9.2%)	21.29 (+3.14s \| 12.9%)	21.29 (+3.14s \| 12.9%)	20.59 (+3.84s \| 15.7%)	20.09 (+4.34s \| 17.8%)	20.39 (+4.04s \| 16.5%)
Free 100 Y	54.18	48.19 (+5.99s \| 11.1%)	46.39 (+7.79s \| 14.4%)	46.39 (+7.79s \| 14.4%)	45.09 (+9.09s \| 16.8%)	43.49 (+10.69s \| 19.7%)	44.39 (+9.79s \| 18.1%)
Free 200 Y	2:01.52	1:45.79 (+15.73s \| 12.9%)	1:41.59 (+19.93s \| 16.4%)	1:41.59 (+19.93s \| 16.4%)	1:38.79 (+22.73s \| 18.7%)	1:36.49 (+25.03s \| 20.6%)	1:38.09 (+23.43s \| 19.3%)
Back 100 Y	1:05.29	53.89 (+11.40s \| 17.5%)	51.49 (+13.80s \| 21.1%)	51.49 (+13.80s \| 21.1%)	49.39 (+15.90s \| 24.4%)	47.59 (+17.70s \| 27.1%)	48.89 (+16.40s \| 25.1%)
Back 200 Y	2:26.06	1:57.29 (+28.77s \| 19.7%)	1:52.79 (+33.27s \| 22.8%)	1:52.79 (+33.27s \| 22.8%)	1:48.29 (+37.77s \| 25.9%)	1:45.49 (+40.57s \| 27.8%)	1:47.09 (+38.97s \| 26.7%)
Breast 100 Y	1:15.61	1:00.89 (+14.72s \| 19.5%)	57.99 (+17.62s \| 23.3%)	57.99 (+17.62s \| 23.3%)	55.89 (+19.72s \| 26.1%)	54.19 (+21.42s \| 28.3%)	55.29 (+20.32s \| 26.9%)
Breast 200 Y	2:44.65	2:13.29 (+31.36s \| 19.0%)	2:07.99 (+36.66s \| 22.3%)	2:07.99 (+36.66s \| 22.3%)	2:02.29 (+42.36s \| 25.7%)	1:58.79 (+45.86s \| 27.9%)	2:00.99 (+43.66s \| 26.5%)
Fly 50 Y	27.48	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	59.76	52.89 (+6.87s \| 11.5%)	50.59 (+9.17s \| 15.3%)	50.59 (+9.17s \| 15.3%)	48.99 (+10.77s \| 18.0%)	47.79 (+11.97s \| 20.0%)	48.39 (+11.37s \| 19.0%)
Fly 200 Y	2:19.10	1:58.89 (+20.21s \| 14.5%)	1:53.69 (+25.41s \| 18.3%)	1:53.69 (+25.41s \| 18.3%)	1:49.59 (+29.51s \| 21.2%)	1:45.99 (+33.11s \| 23.8%)	1:47.89 (+31.21s \| 22.4%)
IM 200 Y	2:23.48	1:58.19 (+25.29s \| 17.6%)	1:53.89 (+29.59s \| 20.6%)	1:53.89 (+29.59s \| 20.6%)	1:50.09 (+33.39s \| 23.3%)	1:46.39 (+37.09s \| 25.9%)	1:48.89 (+34.59s \| 24.1%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	27.38	25.89 (+1.49s \| 5.4%)	24.59 (+2.79s \| 10.2%)	24.59 (+2.79s \| 10.2%)	24.29 (+3.09s \| 11.3%)	23.39 (+3.99s \| 14.6%)	23.79 (+3.59s \| 13.1%)
Free 100 M	1:01.68	56.09 (+5.59s \| 9.1%)	53.59 (+8.09s \| 13.1%)	53.59 (+8.09s \| 13.1%)	52.59 (+9.09s \| 14.7%)	50.99 (+10.69s \| 17.3%)	51.99 (+9.69s \| 15.7%)
Free 200 M	2:20.87	2:03.09 (+17.78s \| 12.6%)	1:57.79 (+23.08s \| 16.4%)	1:57.79 (+23.08s \| 16.4%)	1:55.49 (+25.38s \| 18.0%)	1:52.19 (+28.68s \| 20.4%)	1:54.09 (+26.78s \| 19.0%)
Free 400 M	5:09.73	4:21.09 (+48.64s \| 15.7%)	4:09.99 (+59.74s \| 19.3%)	4:09.99 (+59.74s \| 19.3%)	4:05.29 (+64.44s \| 20.8%)	3:59.29 (+70.44s \| 22.7%)	4:02.79 (+66.94s \| 21.6%)
Fly 50 M	30.75	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 M	1:08.46	1:00.89 (+7.57s \| 11.1%)	57.99 (+10.47s \| 15.3%)	57.99 (+10.47s \| 15.3%)	57.09 (+11.37s \| 16.6%)	55.09 (+13.37s \| 19.5%)	55.99 (+12.47s \| 18.2%)
IM 200 M	2:40.36	2:18.39 (+21.97s \| 13.7%)	2:12.79 (+27.57s \| 17.2%)	2:12.79 (+27.57s \| 17.2%)	2:09.59 (+30.77s \| 19.2%)	2:05.79 (+34.57s \| 21.6%)	2:08.19 (+32.17s \| 20.1%)

Progression

See how Mason Nishimura 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 Nishimura 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

Punahou Quad Meet

05/16/2026

Honolulu

200 M Free

2:20.87

-1.42s (New PB)

A: 2:14.29 (+6.58s | 4.7%)

400 M Free

5:09.73

A: 4:46.39 (+23.34s | 7.5%)

100 M Fly

1:08.46

-0.17s (New PB)

A: 1:05.79 (+2.67s | 3.9%)

University Of Hawaii Spring Fling

04/25/2026

Honolulu

50 M Free

27.38

AA: 26.99 (+0.39s | 1.4%)

200 M IM

2:40.36

A: 2:30.99 (+9.37s | 5.8%)

50 Fly

31.96

100 Back

41.69

1:13.65

100 IM

1:13.65

150 Breast

50.66

2:04.31

200 Free

36.05

2:40.36

100 IM

1:26.71

200 M Free

2:22.29

A: 2:14.29 (+8.00s | 5.6%)

50 M Fly

30.75

100 M Free

1:01.68

A: 1:01.49 (+0.19s | 0.3%)

50 Free

28.88

100 Free

32.80

1:01.68

100 Free

1:01.68

100 M Fly

1:08.63

A: 1:05.79 (+2.84s | 4.1%)

2026 HI Hawaiian Swimming SCY AGChamps

02/26/2026

Waipahu

200 Y Fly

2:22.33

+3.23s

A: 2:14.39 (+7.94s | 5.6%)

50 Fly

30.25

100 Fly

35.34

1:05.59

100 Fly

1:05.59

150 Fly

37.26

1:42.85

200 Fly

39.48

2:22.33

100 Fly

1:16.74

50 Y Fly

27.48

-1.80s (New PB)

100 Y Back

1:07.07

+1.78s

BB: 1:06.19 (+0.88s | 1.3%)

50 Back

32.67

100 Back

34.40

1:07.07

100 Back

1:07.07

50 Y Free

24.43

-0.60s (New PB)

AAA: 23.49 (+0.94s | 3.8%)

OSL Senior B SCY Meet

02/15/2026

Honolulu

100 Y Back

1:05.29

-4.23s (New PB)

A: 1:01.09 (+4.20s | 6.4%)

50 Back

31.55

100 Back

33.74

1:05.29

100 Back

1:05.29

50 Y Free

25.31

+0.28s

AA: 24.59 (+0.72s | 2.8%)

100 Y Free

54.49

+0.31s

AA: 53.39 (+1.10s | 2.0%)

50 Free

25.91

100 Free

28.58

54.49

100 Free

54.49

45th Annual Ken Suenaga Invitational (SCY)

12/06/2025

Waipahu

200 Y Free

2:02.67

+1.15s

A: 2:02.19 (+0.48s | 0.4%)

200 Y Back

2:26.06

-0.85s (New PB)

BB: 2:23.69 (+2.37s | 1.6%)

100 Y Fly

1:00.91

+1.15s

A: 1:00.39 (+0.52s | 0.9%)

100 Y Free

54.55

+0.37s

AA: 53.39 (+1.16s | 2.1%)

2025 HI 25th Annual Bill Smith Invitational

10/25/2025

Waipahu

100 Y Back

1:09.52

BB: 1:06.19 (+3.33s | 4.8%)

100 Y Fly

59.76

-9.64s (New PB)

AA: 57.89 (+1.87s | 3.1%)

100 Y Breast

1:15.61

BB: 1:14.79 (+0.82s | 1.1%)

50 Y Free

25.03

-1.40s (New PB)

AA: 24.59 (+0.44s | 1.8%)

200 Y IM

2:23.48

A: 2:15.39 (+8.09s | 5.6%)

200 Y Fly

2:19.10

A: 2:14.39 (+4.71s | 3.4%)

200 Y Breast

2:44.65

BB: 2:42.39 (+2.26s | 1.4%)

200 Y Back

2:26.91

BB: 2:23.69 (+3.22s | 2.2%)

200 Y Free

2:01.52

AA: 1:57.09 (+4.43s | 3.6%)

100 Y Free

54.18

-4.49s (New PB)

AA: 53.39 (+0.79s | 1.5%)

Southwest Age Group Regional

03/22/2024

Fresno

50 Y Free

26.43

AAA: 25.79 (+0.64s | 2.4%)

100 Y Fly

1:09.40

A: 1:09.29 (+0.11s | 0.2%)

50 Fly

32.02

100 Fly

37.38

1:09.40

100 Fly

1:09.40

50 Y Fly

29.28

AAA: 28.19 (+1.09s | 3.7%)

100 Y Free

58.67

AAA: 56.19 (+2.48s | 4.2%)

50 Free

28.16

100 Free

30.51

58.67

100 Free

58.67

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
Free 50 Y	24.43	22.19 (+2.24s \| 9.2%)	21.29 (+3.14s \| 12.9%)	21.29 (+3.14s \| 12.9%)	20.59 (+3.84s \| 15.7%)	20.09 (+4.34s \| 17.8%)	20.39 (+4.04s \| 16.5%)
Free 100 Y	54.18	48.19 (+5.99s \| 11.1%)	46.39 (+7.79s \| 14.4%)	46.39 (+7.79s \| 14.4%)	45.09 (+9.09s \| 16.8%)	43.49 (+10.69s \| 19.7%)	44.39 (+9.79s \| 18.1%)
Free 200 Y	2:01.52	1:45.79 (+15.73s \| 12.9%)	1:41.59 (+19.93s \| 16.4%)	1:41.59 (+19.93s \| 16.4%)	1:38.79 (+22.73s \| 18.7%)	1:36.49 (+25.03s \| 20.6%)	1:38.09 (+23.43s \| 19.3%)
Back 100 Y	1:05.29	53.89 (+11.40s \| 17.5%)	51.49 (+13.80s \| 21.1%)	51.49 (+13.80s \| 21.1%)	49.39 (+15.90s \| 24.4%)	47.59 (+17.70s \| 27.1%)	48.89 (+16.40s \| 25.1%)
Back 200 Y	2:26.06	1:57.29 (+28.77s \| 19.7%)	1:52.79 (+33.27s \| 22.8%)	1:52.79 (+33.27s \| 22.8%)	1:48.29 (+37.77s \| 25.9%)	1:45.49 (+40.57s \| 27.8%)	1:47.09 (+38.97s \| 26.7%)
Breast 100 Y	1:15.61	1:00.89 (+14.72s \| 19.5%)	57.99 (+17.62s \| 23.3%)	57.99 (+17.62s \| 23.3%)	55.89 (+19.72s \| 26.1%)	54.19 (+21.42s \| 28.3%)	55.29 (+20.32s \| 26.9%)
Breast 200 Y	2:44.65	2:13.29 (+31.36s \| 19.0%)	2:07.99 (+36.66s \| 22.3%)	2:07.99 (+36.66s \| 22.3%)	2:02.29 (+42.36s \| 25.7%)	1:58.79 (+45.86s \| 27.9%)	2:00.99 (+43.66s \| 26.5%)
Fly 50 Y	27.48	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	59.76	52.89 (+6.87s \| 11.5%)	50.59 (+9.17s \| 15.3%)	50.59 (+9.17s \| 15.3%)	48.99 (+10.77s \| 18.0%)	47.79 (+11.97s \| 20.0%)	48.39 (+11.37s \| 19.0%)
Fly 200 Y	2:19.10	1:58.89 (+20.21s \| 14.5%)	1:53.69 (+25.41s \| 18.3%)	1:53.69 (+25.41s \| 18.3%)	1:49.59 (+29.51s \| 21.2%)	1:45.99 (+33.11s \| 23.8%)	1:47.89 (+31.21s \| 22.4%)
IM 200 Y	2:23.48	1:58.19 (+25.29s \| 17.6%)	1:53.89 (+29.59s \| 20.6%)	1:53.89 (+29.59s \| 20.6%)	1:50.09 (+33.39s \| 23.3%)	1:46.39 (+37.09s \| 25.9%)	1:48.89 (+34.59s \| 24.1%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	27.38	25.89 (+1.49s \| 5.4%)	24.59 (+2.79s \| 10.2%)	24.59 (+2.79s \| 10.2%)	24.29 (+3.09s \| 11.3%)	23.39 (+3.99s \| 14.6%)	23.79 (+3.59s \| 13.1%)
Free 100 M	1:01.68	56.09 (+5.59s \| 9.1%)	53.59 (+8.09s \| 13.1%)	53.59 (+8.09s \| 13.1%)	52.59 (+9.09s \| 14.7%)	50.99 (+10.69s \| 17.3%)	51.99 (+9.69s \| 15.7%)
Free 200 M	2:20.87	2:03.09 (+17.78s \| 12.6%)	1:57.79 (+23.08s \| 16.4%)	1:57.79 (+23.08s \| 16.4%)	1:55.49 (+25.38s \| 18.0%)	1:52.19 (+28.68s \| 20.4%)	1:54.09 (+26.78s \| 19.0%)
Free 400 M	5:09.73	4:21.09 (+48.64s \| 15.7%)	4:09.99 (+59.74s \| 19.3%)	4:09.99 (+59.74s \| 19.3%)	4:05.29 (+64.44s \| 20.8%)	3:59.29 (+70.44s \| 22.7%)	4:02.79 (+66.94s \| 21.6%)
Fly 50 M	30.75	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 M	1:08.46	1:00.89 (+7.57s \| 11.1%)	57.99 (+10.47s \| 15.3%)	57.99 (+10.47s \| 15.3%)	57.09 (+11.37s \| 16.6%)	55.09 (+13.37s \| 19.5%)	55.99 (+12.47s \| 18.2%)
IM 200 M	2:40.36	2:18.39 (+21.97s \| 13.7%)	2:12.79 (+27.57s \| 17.2%)	2:12.79 (+27.57s \| 17.2%)	2:09.59 (+30.77s \| 19.2%)	2:05.79 (+34.57s \| 21.6%)	2:08.19 (+32.17s \| 20.1%)