Roy Ko

Age: 12 years old
Age Category: 11-12
Team: South Bay Aquatics | San Diego-Imperial Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

South Bay Aquatics

San Diego-Imperial Swimming

Western Zone

USA

Free 50 Y

37.60

12

09/19/2026

B: 32.79 (+4.81s | 12.8%)

Rankings

Free 100 Y

1:21.60

Analysis

12

10/17/2026

B: 1:11.49 (+10.11s | 12.4%)

Rankings

Back 50 Y

43.82

12

12/13/2025

B: 38.49 (+5.33s | 12.2%)

Rankings

Back 100 Y

1:36.23

Analysis

12

01/31/2026

B: 1:22.19 (+14.04s | 14.6%)

Rankings

50 Back

45.93

100 Back

50.30

1:36.23

100 Back

1:36.23

Back 200 Y

3:10.48

Analysis

12

10/17/2026

B: 2:52.89 (+17.59s | 9.2%)

Rankings

50 Back

44.57

100 Back

47.93

1:32.50

100 Back

1:32.50

150 Back

49.51

2:22.01

200 Back

48.47

3:10.48

100 Back

1:37.98

Breast 50 Y

54.69

12

12/13/2025

B: 43.49 (+11.20s | 20.5%)

Rankings

Breast 100 Y

1:55.50

Analysis

12

01/31/2026

B: 1:32.59 (+22.91s | 19.8%)

Rankings

50 Breast

54.13

100 Breast

1:01.37

1:55.50

100 Breast

1:55.50

Breast 200 Y

4:00.50

Analysis

12

10/17/2026

B: 3:16.39 (+44.11s | 18.3%)

Rankings

50 Breast

53.73

100 Breast

1:00.85

1:54.58

100 Breast

1:54.58

150 Breast

1:03.58

2:58.16

200 Breast

1:02.34

4:00.50

100 Breast

2:05.92

IM 200 Y

3:57.78

Analysis

12

03/21/2026

B: 2:59.29 (+58.49s | 24.6%)

Rankings

Long course distance

Event	Time		Age	Date	Standard	Next Standard	South Bay Aquatics	San Diego-Imperial Swimming	Western Zone	USA

Above are the fastest times that Roy Ko has achieved in his swimming career. For each event, you can find Roy's best time, the corresponding time standard, as well as how much faster Roy needs to be to reach the next level. The last columns provide Roy rankings at the team and LSC levels. These rankings are based on the Roy'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
Got the Bonus time standard (extra events for qualified swimmers)

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	37.60	22.19 (+15.41s \| 41.0%) 22.79 (+14.81s \| 39.4%)	21.29 (+16.31s \| 43.4%)	21.29 (+16.31s \| 43.4%)	20.49 (+17.11s \| 45.5%)	19.69 (+17.91s \| 47.6%)	20.39 (+17.21s \| 45.8%)
Free 100 Y	1:21.60	48.19 (+33.41s \| 40.9%) 49.49 (+32.11s \| 39.4%)	46.39 (+35.21s \| 43.1%)	46.39 (+35.21s \| 43.1%)	44.89 (+36.71s \| 45.0%)	43.09 (+38.51s \| 47.2%)	44.39 (+37.21s \| 45.6%)
Back 50 Y	43.82	24.79 (+19.03s \| 43.4%) 25.39 (+18.43s \| 42.1%)	N/A	N/A	N/A	21.49 (+22.33s \| 51.0%)	N/A
Back 100 Y	1:36.23	53.89 (+42.34s \| 44.0%) 55.39 (+40.84s \| 42.4%)	51.49 (+44.74s \| 46.5%)	51.49 (+44.74s \| 46.5%)	49.19 (+47.04s \| 48.9%)	46.99 (+49.24s \| 51.2%)	48.89 (+47.34s \| 49.2%)
Back 200 Y	3:10.48	1:57.29 (+73.19s \| 38.4%) 2:00.59 (+69.89s \| 36.7%)	1:52.79 (+77.69s \| 40.8%)	1:52.79 (+77.69s \| 40.8%)	1:47.79 (+82.69s \| 43.4%)	1:43.29 (+87.19s \| 45.8%)	1:47.09 (+83.39s \| 43.8%)
Breast 50 Y	54.69	27.69 (+27.00s \| 49.4%) 28.09 (+26.60s \| 48.6%)	N/A	N/A	N/A	24.39 (+30.30s \| 55.4%)	N/A
Breast 100 Y	1:55.50	1:00.89 (+54.61s \| 47.3%) 1:02.59 (+52.91s \| 45.8%)	57.99 (+57.51s \| 49.8%)	57.99 (+57.51s \| 49.8%)	55.49 (+60.01s \| 52.0%)	53.29 (+62.21s \| 53.9%)	55.29 (+60.21s \| 52.1%)
Breast 200 Y	4:00.50	2:13.29 (+107.21s \| 44.6%) 2:17.09 (+103.41s \| 43.0%)	2:07.99 (+112.51s \| 46.8%)	2:07.99 (+112.51s \| 46.8%)	2:01.59 (+118.91s \| 49.4%)	1:56.39 (+124.11s \| 51.6%)	2:00.99 (+119.51s \| 49.7%)
IM 200 Y	3:57.78	1:58.19 (+119.59s \| 50.3%) 2:01.59 (+116.19s \| 48.9%)	1:53.89 (+123.89s \| 52.1%)	1:53.89 (+123.89s \| 52.1%)	1:49.59 (+128.19s \| 53.9%)	1:45.39 (+132.39s \| 55.7%)	1:48.89 (+128.89s \| 54.2%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 SI SBA All Ages NTS Meet

10/17/2026

Chula Vista

200 Y Breast

4:00.50

B: 3:16.39 (+44.11s | 18.3%)

12

4

6

9

50 Breast

53.73

100 Breast

1:00.85

1:54.58

100 Breast

1:54.58

150 Breast

1:03.58

2:58.16

200 Breast

1:02.34

4:00.50

100 Breast

2:05.92

200 Y Back

3:10.48

B: 2:52.89 (+17.59s | 9.2%)

12

3

8

50 Back

44.57

100 Back

47.93

1:32.50

100 Back

1:32.50

150 Back

49.51

2:22.01

200 Back

48.47

3:10.48

100 Back

1:37.98

100 Y Free

1:21.60

-1.58s (New PB)

B: 1:11.49 (+10.11s | 12.4%)

12

9

1

6

2026 SI PS Freestyle Festival Sat

09/19/2026

Poway

100 Y Free

1:23.18

-4.35s (New PB)

B: 1:11.49 (+11.69s | 14.1%)

11

7

5

9

50 Y Free

37.60

-1.00s (New PB)

B: 32.79 (+4.81s | 12.8%)

11

7

4

2026 SI CAST All Ages NTS Meet South

03/21/2026

La Mesa

200 Y IM

3:57.78

B: 2:59.29 (+58.49s | 24.6%)

11

6

8

100 Y Free

1:27.53

-2.13s (New PB)

B: 1:11.49 (+16.04s | 18.3%)

11

2

4

2026 SBA All Ages NTS Meet

01/31/2026

Chula Vista

100 Y Back

1:36.23

B: 1:22.19 (+14.04s | 14.6%)

11

8

6

4

50 Back

45.93

100 Back

50.30

1:36.23

100 Back

1:36.23

100 Y Breast

1:55.50

B: 1:32.59 (+22.91s | 19.8%)

11

1

5

50 Breast

54.13

100 Breast

1:01.37

1:55.50

100 Breast

1:55.50

2025 SI CAST 14U Rising Stars 2

12/13/2025

La Mesa

50 Y Free

38.60

-5.97s (New PB)

B: 32.79 (+5.81s | 15.1%)

11

1

5

7

50 Y Back

43.82

B: 38.49 (+5.33s | 12.2%)

11

5

6

50 Y Breast

54.69

B: 43.49 (+11.20s | 20.5%)

11

6

5

8

2025 SI PS Freestyle Festival Sat

09/20/2025

Poway

50 Y Free

44.57

B: 38.19 (+6.38s | 14.3%)

10

3

4

7

100 Y Free

1:29.66

-2.62s (New PB)

B: 1:27.99 (+1.67s | 1.9%)

10

9

7

50 Free

41.00

100 Free

48.66

1:29.66

100 Free

1:29.66

2024 SI SBA All Ages B C BB Max Meet Nov 2 3

11/02/2024

Chula Vista

100 Y Free

1:32.28

B: 1:27.99 (+4.29s | 4.6%)

10

7

6

5

50 Free

43.63

100 Free

48.65

1:32.28

100 Free

1:32.28

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	37.60	22.19 (+15.41s \| 41.0%) 22.79 (+14.81s \| 39.4%)	21.29 (+16.31s \| 43.4%)	21.29 (+16.31s \| 43.4%)	20.49 (+17.11s \| 45.5%)	19.69 (+17.91s \| 47.6%)	20.39 (+17.21s \| 45.8%)
Free 100 Y	1:21.60	48.19 (+33.41s \| 40.9%) 49.49 (+32.11s \| 39.4%)	46.39 (+35.21s \| 43.1%)	46.39 (+35.21s \| 43.1%)	44.89 (+36.71s \| 45.0%)	43.09 (+38.51s \| 47.2%)	44.39 (+37.21s \| 45.6%)
Back 50 Y	43.82	24.79 (+19.03s \| 43.4%) 25.39 (+18.43s \| 42.1%)	N/A	N/A	N/A	21.49 (+22.33s \| 51.0%)	N/A
Back 100 Y	1:36.23	53.89 (+42.34s \| 44.0%) 55.39 (+40.84s \| 42.4%)	51.49 (+44.74s \| 46.5%)	51.49 (+44.74s \| 46.5%)	49.19 (+47.04s \| 48.9%)	46.99 (+49.24s \| 51.2%)	48.89 (+47.34s \| 49.2%)
Back 200 Y	3:10.48	1:57.29 (+73.19s \| 38.4%) 2:00.59 (+69.89s \| 36.7%)	1:52.79 (+77.69s \| 40.8%)	1:52.79 (+77.69s \| 40.8%)	1:47.79 (+82.69s \| 43.4%)	1:43.29 (+87.19s \| 45.8%)	1:47.09 (+83.39s \| 43.8%)
Breast 50 Y	54.69	27.69 (+27.00s \| 49.4%) 28.09 (+26.60s \| 48.6%)	N/A	N/A	N/A	24.39 (+30.30s \| 55.4%)	N/A
Breast 100 Y	1:55.50	1:00.89 (+54.61s \| 47.3%) 1:02.59 (+52.91s \| 45.8%)	57.99 (+57.51s \| 49.8%)	57.99 (+57.51s \| 49.8%)	55.49 (+60.01s \| 52.0%)	53.29 (+62.21s \| 53.9%)	55.29 (+60.21s \| 52.1%)
Breast 200 Y	4:00.50	2:13.29 (+107.21s \| 44.6%) 2:17.09 (+103.41s \| 43.0%)	2:07.99 (+112.51s \| 46.8%)	2:07.99 (+112.51s \| 46.8%)	2:01.59 (+118.91s \| 49.4%)	1:56.39 (+124.11s \| 51.6%)	2:00.99 (+119.51s \| 49.7%)
IM 200 Y	3:57.78	1:58.19 (+119.59s \| 50.3%) 2:01.59 (+116.19s \| 48.9%)	1:53.89 (+123.89s \| 52.1%)	1:53.89 (+123.89s \| 52.1%)	1:49.59 (+128.19s \| 53.9%)	1:45.39 (+132.39s \| 55.7%)	1:48.89 (+128.89s \| 54.2%)