Brandon Koo

Age: 17 years old
Age Category: 17-18
Team: Rainbow Aquatics | Hawaiian Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Hawaiian Swimming

Rainbow Aquatics

Free 50 Y

26.01

10/25/2025

BB: 25.59 (+0.42s | 1.6%)

103

Free 100 Y

57.31

12/16/2023

BB: 55.99 (+1.32s | 2.3%)

100

Free 200 Y

2:08.83

12/02/2023

BB: 2:03.99 (+4.84s | 3.8%)

50 Free

28.98

100 Free

32.05

1:01.03

100 Free

1:01.03

150 Free

34.14

1:35.17

200 Free

33.66

2:08.83

100 Free

1:07.80

Back 100 Y

1:14.41

09/09/2023

B: 1:05.19 (+9.22s | 12.4%)

112

Breast 100 Y

1:12.23

10/25/2025

BB: 1:09.39 (+2.84s | 3.9%)

Fly 100 Y

1:01.76

10/25/2025

BB: 1:00.79 (+0.97s | 1.6%)

IM 200 Y

2:29.70

09/16/2023

B: 2:27.39 (+2.31s | 1.5%)

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Hawaiian Swimming

Rainbow Aquatics

Free 50 M

29.50

06/03/2023

A: 27.39 (+2.11s | 7.2%)

25 Free

34.98

50 Free

-5.-48

29.50

50 Free

29.50

Free 100 M

1:06.00

06/03/2023

BB: 1:04.89 (+1.11s | 1.7%)

Free 200 M

2:29.47

06/30/2023

BB: 2:21.99 (+7.48s | 5.0%)

Breast 100 M

1:28.91

06/30/2023

B: 1:26.69 (+2.22s | 2.5%)

Breast 200 M

3:14.72

06/03/2023

B: 3:09.19 (+5.53s | 2.8%)

IM 200 M

2:54.96

06/03/2023

B: 2:51.89 (+3.07s | 1.8%)

Above are the fastest times that Brandon Koo has achieved in his swimming career. For each event, you can find Brandon's best time, the corresponding time standard, as well as how much faster Brandon needs to be to reach the next level. The last columns provide Brandon rankings at the team and LSC levels. These rankings are based on the Brandon'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	26.01	22.19 (+3.82s \| 14.7%)	21.29 (+4.72s \| 18.1%)	21.29 (+4.72s \| 18.1%)	20.59 (+5.42s \| 20.8%)	20.09 (+5.92s \| 22.8%)	20.39 (+5.62s \| 21.6%)
Free 100 Y	57.31	48.19 (+9.12s \| 15.9%)	46.39 (+10.92s \| 19.1%)	46.39 (+10.92s \| 19.1%)	45.09 (+12.22s \| 21.3%)	43.49 (+13.82s \| 24.1%)	44.39 (+12.92s \| 22.5%)
Free 200 Y	2:08.83	1:45.79 (+23.04s \| 17.9%)	1:41.59 (+27.24s \| 21.1%)	1:41.59 (+27.24s \| 21.1%)	1:38.79 (+30.04s \| 23.3%)	1:36.49 (+32.34s \| 25.1%)	1:38.09 (+30.74s \| 23.9%)
Back 100 Y	1:14.41	53.89 (+20.52s \| 27.6%)	51.49 (+22.92s \| 30.8%)	51.49 (+22.92s \| 30.8%)	49.39 (+25.02s \| 33.6%)	47.59 (+26.82s \| 36.0%)	48.89 (+25.52s \| 34.3%)
Breast 100 Y	1:12.23	1:00.89 (+11.34s \| 15.7%)	57.99 (+14.24s \| 19.7%)	57.99 (+14.24s \| 19.7%)	55.89 (+16.34s \| 22.6%)	54.19 (+18.04s \| 25.0%)	55.29 (+16.94s \| 23.5%)
Fly 100 Y	1:01.76	52.89 (+8.87s \| 14.4%)	50.59 (+11.17s \| 18.1%)	50.59 (+11.17s \| 18.1%)	48.99 (+12.77s \| 20.7%)	47.79 (+13.97s \| 22.6%)	48.39 (+13.37s \| 21.6%)
IM 200 Y	2:29.70	1:58.19 (+31.51s \| 21.0%)	1:53.89 (+35.81s \| 23.9%)	1:53.89 (+35.81s \| 23.9%)	1:50.09 (+39.61s \| 26.5%)	1:46.39 (+43.31s \| 28.9%)	1:48.89 (+40.81s \| 27.3%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	29.50	25.89 (+3.61s \| 12.2%)	24.59 (+4.91s \| 16.6%)	24.59 (+4.91s \| 16.6%)	24.29 (+5.21s \| 17.7%)	23.39 (+6.11s \| 20.7%)	23.79 (+5.71s \| 19.4%)
Free 100 M	1:06.00	56.09 (+9.91s \| 15.0%)	53.59 (+12.41s \| 18.8%)	53.59 (+12.41s \| 18.8%)	52.59 (+13.41s \| 20.3%)	50.99 (+15.01s \| 22.7%)	51.99 (+14.01s \| 21.2%)
Free 200 M	2:29.47	2:03.09 (+26.38s \| 17.6%)	1:57.79 (+31.68s \| 21.2%)	1:57.79 (+31.68s \| 21.2%)	1:55.49 (+33.98s \| 22.7%)	1:52.19 (+37.28s \| 24.9%)	1:54.09 (+35.38s \| 23.7%)
Breast 100 M	1:28.91	1:11.29 (+17.62s \| 19.8%)	1:08.19 (+20.72s \| 23.3%)	1:08.19 (+20.72s \| 23.3%)	1:06.59 (+22.32s \| 25.1%)	1:04.09 (+24.82s \| 27.9%)	1:05.29 (+23.62s \| 26.6%)
Breast 200 M	3:14.72	2:35.79 (+38.93s \| 20.0%)	2:29.09 (+45.63s \| 23.4%)	2:29.09 (+45.63s \| 23.4%)	2:24.79 (+49.93s \| 25.6%)	2:19.69 (+55.03s \| 28.3%)	2:22.89 (+51.83s \| 26.6%)
IM 200 M	2:54.96	2:18.39 (+36.57s \| 20.9%)	2:12.79 (+42.17s \| 24.1%)	2:12.79 (+42.17s \| 24.1%)	2:09.59 (+45.37s \| 25.9%)	2:05.79 (+49.17s \| 28.1%)	2:08.19 (+46.77s \| 26.7%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 HI 25th Annual Bill Smith Invitational

10/25/2025

Waipahu

50 Y Free

26.01

-0.08s (New PB)

BB: 25.59 (+0.42s | 1.6%)

100 Y Fly

1:01.76

-2.59s (New PB)

BB: 1:00.79 (+0.97s | 1.6%)

100 Y Breast

1:12.23

-3.00s (New PB)

BB: 1:09.39 (+2.84s | 3.9%)

200 Y Free

2:11.01

+2.18s

BB: 2:03.99 (+7.02s | 5.4%)

2023 HI Oahu A+ Meet

12/16/2023

Waipahu

100 Y Free

57.31

-0.38s (New PB)

A: 53.19 (+4.12s | 7.2%)

100 Y Fly

1:04.96

+0.61s

BB: 1:02.39 (+2.57s | 4.0%)

2023 HI 43rd Annual Ken Suenaga Invitational

12/02/2023

Waipahu

100 Y Fly

1:04.47

+0.12s

BB: 1:02.39 (+2.08s | 3.2%)

50 Fly

29.96

100 Fly

34.51

1:04.47

100 Fly

1:04.47

100 Y Free

57.69

-0.48s (New PB)

BB: 57.59 (+0.10s | 0.2%)

50 Free

27.84

100 Free

29.85

57.69

100 Free

57.69

200 Y Free

2:08.83

BB: 2:06.29 (+2.54s | 2.0%)

50 Free

28.98

100 Free

32.05

1:01.03

100 Free

1:01.03

150 Free

34.14

1:35.17

200 Free

33.66

2:08.83

100 Free

1:07.80

2023 HI 23rd Annual Bill Smith Invitational

10/28/2023

Waipahu

100 Y Fly

1:04.35

-1.92s (New PB)

BB: 1:02.39 (+1.96s | 3.0%)

50 Fly

29.24

100 Fly

35.11

1:04.35

100 Fly

1:04.35

50 Y Free

26.66

+0.57s

BB: 26.29 (+0.37s | 1.4%)

2023 HI Al Minn Invitational

09/30/2023

Kailua

50 Y Free

27.24

+1.15s

BB: 26.29 (+0.95s | 3.5%)

2023 HI Oahu A+ Meet

09/16/2023

Waipahu

50 Y Free

26.09

-0.66s (New PB)

A: 24.19 (+1.90s | 7.3%)

100 Y Free

59.07

+0.90s

BB: 57.59 (+1.48s | 2.5%)

200 Y IM

2:29.70

-7.14s (New PB)

BB: 2:20.19 (+9.51s | 6.4%)

2023 HI Oahu BC Meet

09/09/2023

Waipahu

100 Y Fly

1:06.27

BB: 1:02.39 (+3.88s | 5.9%)

100 Y Back

1:14.41

B: 1:07.49 (+6.92s | 9.3%)

2023 Keo Nakama Swim Meet

06/30/2023

Waipahu

200 M Free

2:29.47

-2.94s (New PB)

BB: 2:25.39 (+4.08s | 2.7%)

100 M Breast

1:28.91

-0.69s (New PB)

BB: 1:23.09 (+5.82s | 6.5%)

Oahu AA Meet Kailua

06/25/2023

Kailua

100 Y Breast

1:15.23

-5.11s (New PB)

BB: 1:11.39 (+3.84s | 5.1%)

100 Y Free

58.17

-2.82s (New PB)

BB: 57.59 (+0.58s | 1.0%)

50 Y Free

26.75

-1.04s (New PB)

BB: 26.29 (+0.46s | 1.7%)

2023 HI 12th Annual Rainbow Aquatics Invite

06/03/2023

Waipahu

100 M Free

1:06.00

A: 1:01.49 (+4.51s | 6.8%)

50 M Free

29.50

A: 28.19 (+1.31s | 4.4%)

25 Free

34.98

50 Free

-5.-48

29.50

50 Free

29.50

100 M Breast

1:29.60

B: 1:29.49 (+0.11s | 0.1%)

200 M IM

2:54.96

BB: 2:43.59 (+11.37s | 6.5%)

200 M Breast

3:14.72

B: 3:14.49 (+0.23s | 0.1%)

200 M Free

2:32.41

BB: 2:25.39 (+7.02s | 4.6%)

2023 HI Oahu A+ Meet

02/04/2023

Waipahu

100 Y Free

1:01.04

+0.05s

BB: 1:00.29 (+0.75s | 1.2%)

50 Y Free

27.79

-0.65s (New PB)

BB: 27.69 (+0.10s | 0.4%)

100 Y Breast

1:20.90

+0.56s

B: 1:20.49 (+0.41s | 0.5%)

2022 HI 42nd Annual Ken Suenaga Invitational

12/03/2022

Waipahu

100 Y Free

1:00.99

BB: 1:00.29 (+0.70s | 1.1%)

50 Free

29.16

100 Free

31.83

1:00.99

100 Free

1:00.99

100 Y Breast

1:20.34

-0.35s (New PB)

BB: 1:14.79 (+5.55s | 6.9%)

50 Breast

37.83

100 Breast

42.51

1:20.34

100 Breast

1:20.34

22nd Annual Bill Smith Invitational

10/29/2022

Waipahu

100 Y Breast

1:20.69

-3.80s (New PB)

B: 1:20.49 (+0.20s | 0.2%)

50 Breast

37.52

100 Breast

43.17

1:20.69

100 Breast

1:20.69

200 Y IM

2:36.84

-7.42s (New PB)

BB: 2:26.69 (+10.15s | 6.5%)

50 Fly

32.22

100 Back

42.18

1:14.41

100 IM

1:14.41

150 Breast

46.95

2:01.36

200 Free

35.48

2:36.84

100 IM

1:22.43

Oahu A+ Meet

09/17/2022

Waipahu

50 Y Free

28.44

-0.23s (New PB)

BB: 27.69 (+0.75s | 2.6%)

100 Y Breast

1:24.49

-1.22s (New PB)

B: 1:20.49 (+4.00s | 4.7%)

2022 HI Oahu ABC Meet

09/10/2022

Waipahu

100 Y Breast

1:25.71

B: 1:20.49 (+5.22s | 6.1%)

200 Y IM

2:44.26

B: 2:37.99 (+6.27s | 3.8%)

50 Y Free

28.67

BB: 27.69 (+0.98s | 3.4%)

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	26.01	22.19 (+3.82s \| 14.7%)	21.29 (+4.72s \| 18.1%)	21.29 (+4.72s \| 18.1%)	20.59 (+5.42s \| 20.8%)	20.09 (+5.92s \| 22.8%)	20.39 (+5.62s \| 21.6%)
Free 100 Y	57.31	48.19 (+9.12s \| 15.9%)	46.39 (+10.92s \| 19.1%)	46.39 (+10.92s \| 19.1%)	45.09 (+12.22s \| 21.3%)	43.49 (+13.82s \| 24.1%)	44.39 (+12.92s \| 22.5%)
Free 200 Y	2:08.83	1:45.79 (+23.04s \| 17.9%)	1:41.59 (+27.24s \| 21.1%)	1:41.59 (+27.24s \| 21.1%)	1:38.79 (+30.04s \| 23.3%)	1:36.49 (+32.34s \| 25.1%)	1:38.09 (+30.74s \| 23.9%)
Back 100 Y	1:14.41	53.89 (+20.52s \| 27.6%)	51.49 (+22.92s \| 30.8%)	51.49 (+22.92s \| 30.8%)	49.39 (+25.02s \| 33.6%)	47.59 (+26.82s \| 36.0%)	48.89 (+25.52s \| 34.3%)
Breast 100 Y	1:12.23	1:00.89 (+11.34s \| 15.7%)	57.99 (+14.24s \| 19.7%)	57.99 (+14.24s \| 19.7%)	55.89 (+16.34s \| 22.6%)	54.19 (+18.04s \| 25.0%)	55.29 (+16.94s \| 23.5%)
Fly 100 Y	1:01.76	52.89 (+8.87s \| 14.4%)	50.59 (+11.17s \| 18.1%)	50.59 (+11.17s \| 18.1%)	48.99 (+12.77s \| 20.7%)	47.79 (+13.97s \| 22.6%)	48.39 (+13.37s \| 21.6%)
IM 200 Y	2:29.70	1:58.19 (+31.51s \| 21.0%)	1:53.89 (+35.81s \| 23.9%)	1:53.89 (+35.81s \| 23.9%)	1:50.09 (+39.61s \| 26.5%)	1:46.39 (+43.31s \| 28.9%)	1:48.89 (+40.81s \| 27.3%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	29.50	25.89 (+3.61s \| 12.2%)	24.59 (+4.91s \| 16.6%)	24.59 (+4.91s \| 16.6%)	24.29 (+5.21s \| 17.7%)	23.39 (+6.11s \| 20.7%)	23.79 (+5.71s \| 19.4%)
Free 100 M	1:06.00	56.09 (+9.91s \| 15.0%)	53.59 (+12.41s \| 18.8%)	53.59 (+12.41s \| 18.8%)	52.59 (+13.41s \| 20.3%)	50.99 (+15.01s \| 22.7%)	51.99 (+14.01s \| 21.2%)
Free 200 M	2:29.47	2:03.09 (+26.38s \| 17.6%)	1:57.79 (+31.68s \| 21.2%)	1:57.79 (+31.68s \| 21.2%)	1:55.49 (+33.98s \| 22.7%)	1:52.19 (+37.28s \| 24.9%)	1:54.09 (+35.38s \| 23.7%)
Breast 100 M	1:28.91	1:11.29 (+17.62s \| 19.8%)	1:08.19 (+20.72s \| 23.3%)	1:08.19 (+20.72s \| 23.3%)	1:06.59 (+22.32s \| 25.1%)	1:04.09 (+24.82s \| 27.9%)	1:05.29 (+23.62s \| 26.6%)
Breast 200 M	3:14.72	2:35.79 (+38.93s \| 20.0%)	2:29.09 (+45.63s \| 23.4%)	2:29.09 (+45.63s \| 23.4%)	2:24.79 (+49.93s \| 25.6%)	2:19.69 (+55.03s \| 28.3%)	2:22.89 (+51.83s \| 26.6%)
IM 200 M	2:54.96	2:18.39 (+36.57s \| 20.9%)	2:12.79 (+42.17s \| 24.1%)	2:12.79 (+42.17s \| 24.1%)	2:09.59 (+45.37s \| 25.9%)	2:05.79 (+49.17s \| 28.1%)	2:08.19 (+46.77s \| 26.7%)