Koki Tsujiuchi

Age: 10 years old
Age Category: 10 & under
Team: Huntsville Swim Association | Southeastern Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Huntsville Swim Association

Southeastern Swimming

Southern Zone

USA

Free 50 Y

29.81

01/16/2026

AAA: 28.69 (+1.12s | 3.8%)

115

510

Free 100 Y

1:07.86

01/16/2026

AA: 1:06.79 (+1.07s | 1.6%)

144

599

50 Free

31.65

100 Free

36.21

1:07.86

100 Free

1:07.86

Free 200 Y

2:31.80

01/16/2026

A: 2:31.59 (+0.21s | 0.1%)

158

655

50 Free

33.35

100 Free

39.87

1:13.22

100 Free

1:13.22

150 Free

40.30

1:53.52

200 Free

38.28

2:31.80

100 Free

1:18.58

Free 500 Y

6:57.13

01/16/2026

A: 6:43.39 (+13.74s | 3.3%)

158

606

50 Free

35.77

100 Free

41.14

1:16.91

100 Free

1:16.91

150 Free

42.62

1:59.53

200 Free

42.62

2:42.15

100 Free

1:25.24

250 Free

42.86

3:25.01

300 Free

43.24

4:08.25

100 Free

1:26.10

350 Free

43.68

4:51.93

400 Free

43.42

5:35.35

100 Free

1:27.10

450 Free

44.06

6:19.41

500 Free

37.72

6:57.13

100 Free

1:21.78

Back 50 Y

36.55

01/16/2026

AA: 35.79 (+0.76s | 2.1%)

165

662

Back 100 Y

1:18.45

01/16/2026

AA: 1:16.09 (+2.36s | 3.0%)

135

584

50 Back

37.44

100 Back

41.01

1:18.45

100 Back

1:18.45

Breast 50 Y

44.10

01/16/2026

A: 42.09 (+2.01s | 4.6%)

272

1,000+

Breast 100 Y

1:40.89

12/05/2025

A: 1:30.59 (+10.30s | 10.2%)

407

1,000+

50 Breast

17.24

100 Breast

1:23.65

1:40.89

100 Breast

1:40.89

Fly 50 Y

34.76

10/17/2025

AA: 34.29 (+0.47s | 1.4%)

130

525

Fly 100 Y

1:20.53

12/05/2025

AA: 1:19.49 (+1.04s | 1.3%)

120

530

IM 100 Y

1:21.21

12/05/2025

A: 1:19.69 (+1.52s | 1.9%)

199

772

IM 200 Y

2:53.96

10/17/2025

A: 2:53.49 (+0.47s | 0.3%)

191

737

50 Fly

36.99

100 Back

45.13

1:22.12

100 IM

1:22.12

150 Breast

53.60

2:15.72

200 Free

38.24

2:53.96

100 IM

1:31.84

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Huntsville Swim Association	Southeastern Swimming	Southern Zone	USA

Above are the fastest times that Koki Tsujiuchi has achieved in his swimming career. For each event, you can find Koki's best time, the corresponding time standard, as well as how much faster Koki needs to be to reach the next level. The last columns provide Koki rankings at the team and LSC levels. These rankings are based on the Koki'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	29.81	22.19 (+7.62s \| 25.6%)	21.29 (+8.52s \| 28.6%)	21.29 (+8.52s \| 28.6%)	20.59 (+9.22s \| 30.9%)	20.09 (+9.72s \| 32.6%)	20.39 (+9.42s \| 31.6%)	30.49 29.59 (+0.22s \| 0.7%)
Free 100 Y	1:07.86	48.19 (+19.67s \| 29.0%)	46.39 (+21.47s \| 31.6%)	46.39 (+21.47s \| 31.6%)	45.09 (+22.77s \| 33.6%)	43.49 (+24.37s \| 35.9%)	44.39 (+23.47s \| 34.6%)	1:07.19 (+0.67s \| 1.0%)
Free 200 Y	2:31.80	1:45.79 (+46.01s \| 30.3%)	1:41.59 (+50.21s \| 33.1%)	1:41.59 (+50.21s \| 33.1%)	1:38.79 (+53.01s \| 34.9%)	1:36.49 (+55.31s \| 36.4%)	1:38.09 (+53.71s \| 35.4%)	2:24.99 (+6.81s \| 4.5%)
Free 500 Y	6:57.13	4:47.79 (+129.34s \| 31.0%)	4:37.09 (+140.04s \| 33.6%)	4:37.09 (+140.04s \| 33.6%)	4:29.49 (+147.64s \| 35.4%)	4:22.09 (+155.04s \| 37.2%)	4:27.69 (+149.44s \| 35.8%)	6:25.49 (+31.64s \| 7.6%)
Back 50 Y	36.55	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+0.26s \| 0.7%)
Back 100 Y	1:18.45	53.89 (+24.56s \| 31.3%)	51.49 (+26.96s \| 34.4%)	51.49 (+26.96s \| 34.4%)	49.39 (+29.06s \| 37.0%)	47.59 (+30.86s \| 39.3%)	48.89 (+29.56s \| 37.7%)	1:16.59 (+1.86s \| 2.4%)
Breast 50 Y	44.10	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+3.81s \| 8.6%)
Breast 100 Y	1:40.89	1:00.89 (+40.00s \| 39.6%)	57.99 (+42.90s \| 42.5%)	57.99 (+42.90s \| 42.5%)	55.89 (+45.00s \| 44.6%)	54.19 (+46.70s \| 46.3%)	55.29 (+45.60s \| 45.2%)	1:26.29 (+14.60s \| 14.5%)
Fly 50 Y	34.76	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+0.07s \| 0.2%)
Fly 100 Y	1:20.53	52.89 (+27.64s \| 34.3%)	50.59 (+29.94s \| 37.2%)	50.59 (+29.94s \| 37.2%)	48.99 (+31.54s \| 39.2%)	47.79 (+32.74s \| 40.7%)	48.39 (+32.14s \| 39.9%)	1:19.89 (+0.64s \| 0.8%)
IM 100 Y	1:21.21	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+4.22s \| 5.2%)
IM 200 Y	2:53.96	1:58.19 (+55.77s \| 32.1%)	1:53.89 (+60.07s \| 34.5%)	1:53.89 (+60.07s \| 34.5%)	1:50.09 (+63.87s \| 36.7%)	1:46.39 (+67.57s \| 38.8%)	1:48.89 (+65.07s \| 37.4%)	2:46.19 (+7.77s \| 4.5%)

Long Course Distance

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

Progression

See how Koki Tsujiuchi is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Koki's time to another swimmer's and even view their profile for more information about them.

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View this profile

Meets

See all the meets Koki Tsujiuchi has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Koki's time, the progress against Koki's best time, the corresponding time standard, as well as how much faster Koki needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 HSA TYR Invitational

01/16/2026

Huntsville

200 Y Free

2:31.80

A: 2:31.59 (+0.21s | 0.1%)

50 Free

33.35

100 Free

39.87

1:13.22

100 Free

1:13.22

150 Free

40.30

1:53.52

200 Free

38.28

2:31.80

100 Free

1:18.58

50 Y Free

29.81

-0.38s (New PB)

AAA: 28.69 (+1.12s | 3.8%)

100 Y Back

1:18.45

-3.05s (New PB)

AA: 1:16.09 (+2.36s | 3.0%)

50 Back

37.44

100 Back

41.01

1:18.45

100 Back

1:18.45

100 Y Free

1:07.86

-5.13s (New PB)

AA: 1:06.79 (+1.07s | 1.6%)

50 Free

31.65

100 Free

36.21

1:07.86

100 Free

1:07.86

50 Y Breast

44.10

-2.90s (New PB)

A: 42.09 (+2.01s | 4.6%)

50 Y Back

36.55

-0.50s (New PB)

AA: 35.79 (+0.76s | 2.1%)

500 Y Free

6:57.13

A: 6:43.39 (+13.74s | 3.3%)

50 Free

35.77

100 Free

41.14

1:16.91

100 Free

1:16.91

150 Free

42.62

1:59.53

200 Free

42.62

2:42.15

100 Free

1:25.24

250 Free

42.86

3:25.01

300 Free

43.24

4:08.25

100 Free

1:26.10

350 Free

43.68

4:51.93

400 Free

43.42

5:35.35

100 Free

1:27.10

450 Free

44.06

6:19.41

500 Free

37.72

6:57.13

100 Free

1:21.78

2025 Holiday Classic

12/05/2025

Nashville

100 Y Breast

1:40.89

-1.37s (New PB)

A: 1:30.59 (+10.30s | 10.2%)

50 Breast

17.24

100 Breast

1:23.65

1:40.89

100 Breast

1:40.89

50 Y Free

30.19

-0.35s (New PB)

AA: 29.89 (+0.30s | 1.0%)

100 Y Back

1:22.05

+0.55s

A: 1:19.59 (+2.46s | 3.0%)

50 Back

40.01

100 Back

42.04

1:22.05

100 Back

1:22.05

50 Y Back

37.05

-1.23s (New PB)

AA: 35.79 (+1.26s | 3.4%)

100 Y IM

1:21.21

-1.59s (New PB)

A: 1:19.69 (+1.52s | 1.9%)

100 Y Fly

1:20.53

AA: 1:19.49 (+1.04s | 1.3%)

2025 HSA Fran Norris Meet

10/17/2025

Huntsville

100 Y Free

1:12.99

A: 1:09.79 (+3.20s | 4.4%)

50 Free

33.71

100 Free

39.28

1:12.99

100 Free

1:12.99

50 Y Back

38.38

+0.10s

A: 37.59 (+0.79s | 2.1%)

50 Y Fly

34.76

AA: 34.29 (+0.47s | 1.4%)

50 Y Breast

47.06

+0.06s

A: 42.09 (+4.97s | 10.6%)

200 Y IM

2:53.96

A: 2:53.49 (+0.47s | 0.3%)

50 Fly

36.99

100 Back

45.13

1:22.12

100 IM

1:22.12

150 Breast

53.60

2:15.72

200 Free

38.24

2:53.96

100 IM

1:31.84

100 Y Back

1:21.50

A: 1:19.59 (+1.91s | 2.3%)

50 Back

39.72

100 Back

41.78

1:21.50

100 Back

1:21.50

100 Y Breast

1:42.26

A: 1:30.59 (+11.67s | 11.4%)

50 Breast

47.79

100 Breast

54.47

1:42.26

100 Breast

1:42.26

2025 Ricky Hui Intrasquad Meet

09/20/2025

Huntsville

50 Y Free

30.54

AA: 29.89 (+0.65s | 2.1%)

50 Y Back

38.28

A: 37.59 (+0.69s | 1.8%)

50 Y Breast

47.00

A: 42.09 (+4.91s | 10.4%)

100 Y IM

1:22.80

A: 1:19.69 (+3.11s | 3.8%)

50 IM

38.40

100 IM

44.40

1:22.80

100 IM

1:22.80

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	29.81	22.19 (+7.62s \| 25.6%)	21.29 (+8.52s \| 28.6%)	21.29 (+8.52s \| 28.6%)	20.59 (+9.22s \| 30.9%)	20.09 (+9.72s \| 32.6%)	20.39 (+9.42s \| 31.6%)	30.49 29.59 (+0.22s \| 0.7%)
Free 100 Y	1:07.86	48.19 (+19.67s \| 29.0%)	46.39 (+21.47s \| 31.6%)	46.39 (+21.47s \| 31.6%)	45.09 (+22.77s \| 33.6%)	43.49 (+24.37s \| 35.9%)	44.39 (+23.47s \| 34.6%)	1:07.19 (+0.67s \| 1.0%)
Free 200 Y	2:31.80	1:45.79 (+46.01s \| 30.3%)	1:41.59 (+50.21s \| 33.1%)	1:41.59 (+50.21s \| 33.1%)	1:38.79 (+53.01s \| 34.9%)	1:36.49 (+55.31s \| 36.4%)	1:38.09 (+53.71s \| 35.4%)	2:24.99 (+6.81s \| 4.5%)
Free 500 Y	6:57.13	4:47.79 (+129.34s \| 31.0%)	4:37.09 (+140.04s \| 33.6%)	4:37.09 (+140.04s \| 33.6%)	4:29.49 (+147.64s \| 35.4%)	4:22.09 (+155.04s \| 37.2%)	4:27.69 (+149.44s \| 35.8%)	6:25.49 (+31.64s \| 7.6%)
Back 50 Y	36.55	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+0.26s \| 0.7%)
Back 100 Y	1:18.45	53.89 (+24.56s \| 31.3%)	51.49 (+26.96s \| 34.4%)	51.49 (+26.96s \| 34.4%)	49.39 (+29.06s \| 37.0%)	47.59 (+30.86s \| 39.3%)	48.89 (+29.56s \| 37.7%)	1:16.59 (+1.86s \| 2.4%)
Breast 50 Y	44.10	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+3.81s \| 8.6%)
Breast 100 Y	1:40.89	1:00.89 (+40.00s \| 39.6%)	57.99 (+42.90s \| 42.5%)	57.99 (+42.90s \| 42.5%)	55.89 (+45.00s \| 44.6%)	54.19 (+46.70s \| 46.3%)	55.29 (+45.60s \| 45.2%)	1:26.29 (+14.60s \| 14.5%)
Fly 50 Y	34.76	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+0.07s \| 0.2%)
Fly 100 Y	1:20.53	52.89 (+27.64s \| 34.3%)	50.59 (+29.94s \| 37.2%)	50.59 (+29.94s \| 37.2%)	48.99 (+31.54s \| 39.2%)	47.79 (+32.74s \| 40.7%)	48.39 (+32.14s \| 39.9%)	1:19.89 (+0.64s \| 0.8%)
IM 100 Y	1:21.21	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+4.22s \| 5.2%)
IM 200 Y	2:53.96	1:58.19 (+55.77s \| 32.1%)	1:53.89 (+60.07s \| 34.5%)	1:53.89 (+60.07s \| 34.5%)	1:50.09 (+63.87s \| 36.7%)	1:46.39 (+67.57s \| 38.8%)	1:48.89 (+65.07s \| 37.4%)	2:46.19 (+7.77s \| 4.5%)