Duncan Chou

Age: 16 years old
Age Category: 15-16
Team: Tualatin Hills Swim Club | Oregon Swimming
Participation: 8 meets 33 events

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Oregon Swimming

Tualatin Hills Swim Club

Free 50 Y

28.49

12/20/2024

B: 28.29 (+0.20s | 0.7%)

194

Free 100 Y

1:01.07

03/08/2025

BB: 57.59 (+3.48s | 5.7%)

174

50 Free

29.31

100 Free

31.76

1:01.07

100 Free

1:01.07

Free 200 Y

2:20.69

03/08/2025

B: 2:15.99 (+4.70s | 3.3%)

156

50 Free

31.04

100 Free

34.92

1:05.96

100 Free

1:05.96

150 Free

37.70

1:43.66

200 Free

37.03

2:20.69

100 Free

1:14.73

Free 500 Y

6:30.36

12/20/2024

B: 6:08.39 (+21.97s | 5.6%)

125

50 Free

32.35

100 Free

35.50

1:07.85

100 Free

1:07.85

150 Free

38.06

1:45.91

200 Free

39.20

2:25.11

100 Free

1:17.26

250 Free

39.73

3:04.84

300 Free

40.44

3:45.28

100 Free

1:20.17

350 Free

40.84

4:26.12

400 Free

41.80

5:07.92

100 Free

1:22.64

450 Free

41.98

5:49.90

500 Free

40.46

6:30.36

100 Free

1:22.44

Back 100 Y

1:11.24

12/20/2024

B: 1:07.49 (+3.75s | 5.3%)

131

50 Back

35.02

100 Back

36.22

1:11.24

100 Back

1:11.24

Back 200 Y

2:33.07

12/20/2024

B: 2:27.59 (+5.48s | 3.6%)

50 Back

36.59

100 Back

38.54

1:15.13

100 Back

1:15.13

150 Back

39.85

1:54.98

200 Back

38.09

2:33.07

100 Back

1:17.94

Breast 100 Y

1:06.52

02/14/2025

A: 1:05.89 (+0.63s | 0.9%)

50 Breast

31.83

100 Breast

34.69

1:06.52

100 Breast

1:06.52

Breast 200 Y

2:29.74

12/20/2024

A: 2:23.19 (+6.55s | 4.4%)

50 Breast

33.02

100 Breast

37.23

1:10.25

100 Breast

1:10.25

150 Breast

39.69

1:49.94

200 Breast

39.80

2:29.74

100 Breast

1:19.49

Fly 100 Y

1:16.10

03/08/2025

B: 1:07.19 (+8.91s | 11.7%)

153

50 Fly

34.52

100 Fly

41.58

1:16.10

100 Fly

1:16.10

IM 200 Y

2:27.38

11/08/2024

BB: 2:20.19 (+7.19s | 4.9%)

123

50 Fly

32.92

100 Back

38.91

1:11.83

100 IM

1:11.83

150 Breast

38.57

1:50.40

200 Free

36.98

2:27.38

100 IM

1:15.55

Long course distance

Event	Time	Age	Date	Next Standard	Oregon Swimming	Tualatin Hills Swim Club
Free 50 M	38.06	14	06/03/2022	B: 32.89 (+5.17s \| 13.6%)	52	5

Free 200 M	3:18.00	14	06/03/2022	B: 2:36.59 (+41.41s \| 20.9%)	56	7

Back 100 M	1:41.42	14	06/03/2022	B: 1:19.39 (+22.03s \| 21.7%)	51	7

Breast 100 M	1:34.00	14	06/03/2022	B: 1:29.49 (+4.51s \| 4.8%)	25	3

Breast 200 M	3:28.34	14	06/03/2022	B: 3:14.49 (+13.85s \| 6.6%)	25	4

Above are the fastest times that Duncan Chou has achieved in his swimming career. For each event, you can find Duncan's best time, the corresponding time standard, as well as how much faster Duncan needs to be to reach the next level. The last columns provide Duncan rankings at the team and LSC levels. These rankings are based on the Duncan'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	28.49	22.19 (+6.30s \| 22.1%)	21.29 (+7.20s \| 25.3%)	21.29 (+7.20s \| 25.3%)	20.59 (+7.90s \| 27.7%)	20.09 (+8.40s \| 29.5%)	20.39 (+8.10s \| 28.4%)
Free 100 Y	1:01.07	48.19 (+12.88s \| 21.1%)	46.39 (+14.68s \| 24.0%)	46.39 (+14.68s \| 24.0%)	45.09 (+15.98s \| 26.2%)	43.49 (+17.58s \| 28.8%)	44.39 (+16.68s \| 27.3%)
Free 200 Y	2:20.69	1:45.79 (+34.90s \| 24.8%)	1:41.59 (+39.10s \| 27.8%)	1:41.59 (+39.10s \| 27.8%)	1:38.79 (+41.90s \| 29.8%)	1:36.49 (+44.20s \| 31.4%)	1:38.09 (+42.60s \| 30.3%)
Free 500 Y	6:30.36	4:47.79 (+102.57s \| 26.3%)	4:37.09 (+113.27s \| 29.0%)	4:37.09 (+113.27s \| 29.0%)	4:29.49 (+120.87s \| 31.0%)	4:22.09 (+128.27s \| 32.9%)	4:27.69 (+122.67s \| 31.4%)
Back 100 Y	1:11.24	53.89 (+17.35s \| 24.4%)	51.49 (+19.75s \| 27.7%)	51.49 (+19.75s \| 27.7%)	49.39 (+21.85s \| 30.7%)	47.59 (+23.65s \| 33.2%)	48.89 (+22.35s \| 31.4%)
Back 200 Y	2:33.07	1:57.29 (+35.78s \| 23.4%)	1:52.79 (+40.28s \| 26.3%)	1:52.79 (+40.28s \| 26.3%)	1:48.29 (+44.78s \| 29.3%)	1:45.49 (+47.58s \| 31.1%)	1:47.09 (+45.98s \| 30.0%)
Breast 100 Y	1:06.52	1:00.89 (+5.63s \| 8.5%)	57.99 (+8.53s \| 12.8%)	57.99 (+8.53s \| 12.8%)	55.89 (+10.63s \| 16.0%)	54.19 (+12.33s \| 18.5%)	55.29 (+11.23s \| 16.9%)
Breast 200 Y	2:29.74	2:13.29 (+16.45s \| 11.0%)	2:07.99 (+21.75s \| 14.5%)	2:07.99 (+21.75s \| 14.5%)	2:02.29 (+27.45s \| 18.3%)	1:58.79 (+30.95s \| 20.7%)	2:00.99 (+28.75s \| 19.2%)
Fly 100 Y	1:16.10	52.89 (+23.21s \| 30.5%)	50.59 (+25.51s \| 33.5%)	50.59 (+25.51s \| 33.5%)	48.99 (+27.11s \| 35.6%)	47.79 (+28.31s \| 37.2%)	48.39 (+27.71s \| 36.4%)
IM 200 Y	2:27.38	1:58.19 (+29.19s \| 19.8%)	1:53.89 (+33.49s \| 22.7%)	1:53.89 (+33.49s \| 22.7%)	1:50.09 (+37.29s \| 25.3%)	1:46.39 (+40.99s \| 27.8%)	1:48.89 (+38.49s \| 26.1%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	38.06	25.89 (+12.17s \| 32.0%)	24.59 (+13.47s \| 35.4%)	24.59 (+13.47s \| 35.4%)	24.29 (+13.77s \| 36.2%)	23.39 (+14.67s \| 38.5%)	23.79 (+14.27s \| 37.5%)
Free 200 M	3:18.00	2:03.09 (+74.91s \| 37.8%)	1:57.79 (+80.21s \| 40.5%)	1:57.79 (+80.21s \| 40.5%)	1:55.49 (+82.51s \| 41.7%)	1:52.19 (+85.81s \| 43.3%)	1:54.09 (+83.91s \| 42.4%)
Back 100 M	1:41.42	1:03.29 (+38.13s \| 37.6%)	1:00.59 (+40.83s \| 40.3%)	1:00.59 (+40.83s \| 40.3%)	58.89 (+42.53s \| 41.9%)	57.29 (+44.13s \| 43.5%)	58.19 (+43.23s \| 42.6%)
Breast 100 M	1:34.00	1:11.29 (+22.71s \| 24.2%)	1:08.19 (+25.81s \| 27.5%)	1:08.19 (+25.81s \| 27.5%)	1:06.59 (+27.41s \| 29.2%)	1:04.09 (+29.91s \| 31.8%)	1:05.29 (+28.71s \| 30.5%)
Breast 200 M	3:28.34	2:35.79 (+52.55s \| 25.2%)	2:29.09 (+59.25s \| 28.4%)	2:29.09 (+59.25s \| 28.4%)	2:24.79 (+63.55s \| 30.5%)	2:19.69 (+68.65s \| 33.0%)	2:22.89 (+65.45s \| 31.4%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 OSI Arena Senior SC Championships

03/13/2025

Tualatin Hills Rec. Swim Center

100 Y Breast

1:07.39

+0.87s

A: 1:05.89 (+1.50s | 2.2%)

50 Breast

32.20

100 Breast

35.19

1:07.39

100 Breast

1:07.39

200 Y Breast

2:32.44

+2.70s

A: 2:23.19 (+9.25s | 6.1%)

50 Breast

33.22

100 Breast

37.19

1:10.41

100 Breast

1:10.41

150 Breast

40.32

1:50.73

200 Breast

41.70

2:32.43

100 Breast

1:22.02

50 Y Breast

31.39

2025 McMinnville Season Finale Invitational

03/08/2025

McMinville Aquatic Center

100 Y Fly

1:16.10

-2.25s (New PB)

B: 1:07.19 (+8.91s | 11.7%)

50 Fly

34.52

100 Fly

41.58

1:16.10

100 Fly

1:16.10

200 Y IM

2:32.27

+4.89s

B: 2:30.89 (+1.38s | 0.9%)

50 Fly

33.10

100 Back

39.76

1:12.86

100 IM

1:12.86

150 Breast

40.12

1:52.98

200 Free

39.29

2:32.27

100 IM

1:19.41

50 Y Free

28.69

+0.20s

B: 28.29 (+0.40s | 1.4%)

100 Y Free

1:01.07

-1.89s (New PB)

BB: 57.59 (+3.48s | 5.7%)

50 Free

29.31

100 Free

31.76

1:01.07

100 Free

1:01.07

200 Y Free

2:20.69

B: 2:15.99 (+4.70s | 3.3%)

50 Free

31.04

100 Free

34.92

1:05.96

100 Free

1:05.96

150 Free

37.70

1:43.66

200 Free

37.03

2:20.69

100 Free

1:14.73

2025 OR HS 6a 2

02/14/2025

100 Y Breast

1:06.52

-1.33s (New PB)

AAAA

50 Breast

31.83

100 Breast

34.69

1:06.52

100 Breast

1:06.52

50 Y Free

28.76

+0.27s

A: 28.09 (+0.67s | 2.3%)

2024 TTSC Holiday Invitational

12/20/2024

Tualatin Swim Center

100 Y Back

1:11.24

-4.26s (New PB)

B: 1:07.49 (+3.75s | 5.3%)

50 Back

35.02

100 Back

36.22

1:11.24

100 Back

1:11.24

500 Y Free

6:30.36

B: 6:08.39 (+21.97s | 5.6%)

50 Free

32.35

100 Free

35.50

1:07.85

100 Free

1:07.85

150 Free

38.06

1:45.91

200 Free

39.20

2:25.11

100 Free

1:17.26

250 Free

39.73

3:04.84

300 Free

40.44

3:45.28

100 Free

1:20.17

350 Free

40.84

4:26.12

400 Free

41.80

5:07.92

100 Free

1:22.64

450 Free

41.98

5:49.90

500 Free

40.46

6:30.36

100 Free

1:22.44

200 Y Back

2:33.07

B: 2:27.59 (+5.48s | 3.6%)

50 Back

36.59

100 Back

38.54

1:15.13

100 Back

1:15.13

150 Back

39.85

1:54.98

200 Back

38.09

2:33.07

100 Back

1:17.94

100 Y Free

1:02.96

-0.40s (New PB)

B: 1:01.99 (+0.97s | 1.5%)

50 Free

30.43

100 Free

32.53

1:02.96

100 Free

1:02.96

100 Y Breast

1:08.27

+0.42s

A: 1:05.89 (+2.38s | 3.5%)

50 Breast

32.50

100 Breast

35.77

1:08.27

100 Breast

1:08.27

200 Y Breast

2:29.74

-2.12s (New PB)

A: 2:23.19 (+6.55s | 4.4%)

50 Breast

33.02

100 Breast

37.23

1:10.25

100 Breast

1:10.25

150 Breast

39.69

1:49.94

200 Breast

39.80

2:29.74

100 Breast

1:19.49

50 Y Free

28.49

-0.65s (New PB)

B: 28.29 (+0.20s | 0.7%)

THSC Holiday Classic (25Y, AG/SR, custom time standards)

12/06/2024

THPRD Aquatic Center

100 Y Free

1:03.36

B: 1:01.99 (+1.37s | 2.2%)

50 Free

30.34

100 Free

33.02

1:03.36

100 Free

1:03.36

200 Y Breast

2:32.08

+0.22s

A: 2:23.19 (+8.89s | 5.8%)

50 Breast

33.66

100 Breast

37.57

1:11.23

100 Breast

1:11.23

150 Breast

40.58

1:51.81

200 Breast

40.27

2:32.08

100 Breast

1:20.85

200 Y IM

2:31.14

+3.76s

B: 2:30.89 (+0.25s | 0.2%)

50 Fly

33.66

100 Back

39.13

1:12.79

100 IM

1:12.79

150 Breast

40.58

1:53.37

200 Free

37.77

2:31.14

100 IM

1:18.35

THSC November Invite

11/08/2024

Tualatin Hills Swim Center

200 Y Breast

2:31.86

-3.01s (New PB)

A: 2:23.19 (+8.67s | 5.7%)

50 Breast

33.44

100 Breast

37.56

1:11.00

100 Breast

1:11.00

150 Breast

40.19

1:51.19

200 Breast

40.67

2:31.86

100 Breast

1:20.86

100 Y Breast

1:07.85

-1.23s (New PB)

A: 1:05.89 (+1.96s | 2.9%)

50 Breast

32.43

100 Breast

35.42

1:07.85

100 Breast

1:07.85

200 Y IM

2:27.38

BB: 2:20.19 (+7.19s | 4.9%)

50 Fly

32.92

100 Back

38.91

1:11.83

100 IM

1:11.83

150 Breast

38.57

1:50.40

200 Free

36.98

2:27.38

100 IM

1:15.55

50 Y Free

29.14

B: 28.29 (+0.85s | 2.9%)

THSC Fall Invitational (25Y, AG/SR, custom time standards)

10/18/2024

Tualatin Hills Swim Center

100 Y Back

1:15.50

B: 1:07.49 (+8.01s | 10.6%)

50 Back

37.55

100 Back

37.95

1:15.50

100 Back

1:15.50

100 Y Breast

1:09.08

A: 1:05.89 (+3.19s | 4.6%)

50 Breast

32.72

100 Breast

36.35

1:09.08

100 Breast

1:09.08

100 Y Fly

1:18.35

B: 1:07.19 (+11.16s | 14.2%)

50 Fly

34.51

100 Fly

43.84

1:18.35

100 Fly

1:18.35

200 Y Breast

2:34.87

A: 2:23.19 (+11.68s | 7.5%)

50 Breast

34.23

100 Breast

38.22

1:12.45

100 Breast

1:12.45

150 Breast

40.79

1:53.24

200 Breast

41.63

2:34.87

100 Breast

1:22.42

2022 IE TCCC Tri-City OPEN

06/03/2022

200 M Breast

3:28.34

B: 3:22.79 (+5.55s | 2.7%)

50 M Free

38.06

B: 34.29 (+3.77s | 9.9%)

200 M Free

3:18.00

B: 2:43.99 (+34.01s | 17.2%)

100 M Breast

1:34.00

B: 1:33.79 (+0.21s | 0.2%)

100 M Back

1:41.42

B: 1:23.69 (+17.73s | 17.5%)

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	28.49	22.19 (+6.30s \| 22.1%)	21.29 (+7.20s \| 25.3%)	21.29 (+7.20s \| 25.3%)	20.59 (+7.90s \| 27.7%)	20.09 (+8.40s \| 29.5%)	20.39 (+8.10s \| 28.4%)
Free 100 Y	1:01.07	48.19 (+12.88s \| 21.1%)	46.39 (+14.68s \| 24.0%)	46.39 (+14.68s \| 24.0%)	45.09 (+15.98s \| 26.2%)	43.49 (+17.58s \| 28.8%)	44.39 (+16.68s \| 27.3%)
Free 200 Y	2:20.69	1:45.79 (+34.90s \| 24.8%)	1:41.59 (+39.10s \| 27.8%)	1:41.59 (+39.10s \| 27.8%)	1:38.79 (+41.90s \| 29.8%)	1:36.49 (+44.20s \| 31.4%)	1:38.09 (+42.60s \| 30.3%)
Free 500 Y	6:30.36	4:47.79 (+102.57s \| 26.3%)	4:37.09 (+113.27s \| 29.0%)	4:37.09 (+113.27s \| 29.0%)	4:29.49 (+120.87s \| 31.0%)	4:22.09 (+128.27s \| 32.9%)	4:27.69 (+122.67s \| 31.4%)
Back 100 Y	1:11.24	53.89 (+17.35s \| 24.4%)	51.49 (+19.75s \| 27.7%)	51.49 (+19.75s \| 27.7%)	49.39 (+21.85s \| 30.7%)	47.59 (+23.65s \| 33.2%)	48.89 (+22.35s \| 31.4%)
Back 200 Y	2:33.07	1:57.29 (+35.78s \| 23.4%)	1:52.79 (+40.28s \| 26.3%)	1:52.79 (+40.28s \| 26.3%)	1:48.29 (+44.78s \| 29.3%)	1:45.49 (+47.58s \| 31.1%)	1:47.09 (+45.98s \| 30.0%)
Breast 100 Y	1:06.52	1:00.89 (+5.63s \| 8.5%)	57.99 (+8.53s \| 12.8%)	57.99 (+8.53s \| 12.8%)	55.89 (+10.63s \| 16.0%)	54.19 (+12.33s \| 18.5%)	55.29 (+11.23s \| 16.9%)
Breast 200 Y	2:29.74	2:13.29 (+16.45s \| 11.0%)	2:07.99 (+21.75s \| 14.5%)	2:07.99 (+21.75s \| 14.5%)	2:02.29 (+27.45s \| 18.3%)	1:58.79 (+30.95s \| 20.7%)	2:00.99 (+28.75s \| 19.2%)
Fly 100 Y	1:16.10	52.89 (+23.21s \| 30.5%)	50.59 (+25.51s \| 33.5%)	50.59 (+25.51s \| 33.5%)	48.99 (+27.11s \| 35.6%)	47.79 (+28.31s \| 37.2%)	48.39 (+27.71s \| 36.4%)
IM 200 Y	2:27.38	1:58.19 (+29.19s \| 19.8%)	1:53.89 (+33.49s \| 22.7%)	1:53.89 (+33.49s \| 22.7%)	1:50.09 (+37.29s \| 25.3%)	1:46.39 (+40.99s \| 27.8%)	1:48.89 (+38.49s \| 26.1%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	38.06	25.89 (+12.17s \| 32.0%)	24.59 (+13.47s \| 35.4%)	24.59 (+13.47s \| 35.4%)	24.29 (+13.77s \| 36.2%)	23.39 (+14.67s \| 38.5%)	23.79 (+14.27s \| 37.5%)
Free 200 M	3:18.00	2:03.09 (+74.91s \| 37.8%)	1:57.79 (+80.21s \| 40.5%)	1:57.79 (+80.21s \| 40.5%)	1:55.49 (+82.51s \| 41.7%)	1:52.19 (+85.81s \| 43.3%)	1:54.09 (+83.91s \| 42.4%)
Back 100 M	1:41.42	1:03.29 (+38.13s \| 37.6%)	1:00.59 (+40.83s \| 40.3%)	1:00.59 (+40.83s \| 40.3%)	58.89 (+42.53s \| 41.9%)	57.29 (+44.13s \| 43.5%)	58.19 (+43.23s \| 42.6%)
Breast 100 M	1:34.00	1:11.29 (+22.71s \| 24.2%)	1:08.19 (+25.81s \| 27.5%)	1:08.19 (+25.81s \| 27.5%)	1:06.59 (+27.41s \| 29.2%)	1:04.09 (+29.91s \| 31.8%)	1:05.29 (+28.71s \| 30.5%)
Breast 200 M	3:28.34	2:35.79 (+52.55s \| 25.2%)	2:29.09 (+59.25s \| 28.4%)	2:29.09 (+59.25s \| 28.4%)	2:24.79 (+63.55s \| 30.5%)	2:19.69 (+68.65s \| 33.0%)	2:22.89 (+65.45s \| 31.4%)