Katelyn Yoo

Age: 14 years old
Age Category: 13-14
Team: Diablo Aquatics | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Diablo Aquatics

Pacific Swimming

Western Zone

USA

Free 50 Y

26.35

10/24/2026

AAA: 25.59 (+0.76s | 2.9%)

Rankings

Free 100 Y

56.67

Analysis

10/24/2026

AAA: 55.79 (+0.88s | 1.6%)

Rankings

50 Free

27.31

100 Free

29.36

56.67

100 Free

56.67

Back 50 Y

29.63

09/26/2026

AAA: 28.49 (+1.14s | 3.8%)

Rankings

Back 100 Y

1:04.74

Analysis

10/24/2026

AA: 1:03.19 (+1.55s | 2.4%)

Rankings

50 Back

30.23

100 Back

34.51

1:04.74

100 Back

1:04.74

Breast 50 Y

46.80

09/17/2022

B: 42.09 (+4.71s | 10.1%)

Rankings

Fly 50 Y

28.21

12/12/2025

AAA: 28.19 (+0.02s | 0.1%)

Rankings

Fly 100 Y

1:01.63

Analysis

10/24/2026

AAA: 1:00.39 (+1.24s | 2.0%)

Rankings

50 Fly

28.94

100 Fly

32.69

1:01.63

100 Fly

1:01.63

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Diablo Aquatics	Pacific Swimming	Western Zone	USA

Above are the fastest times that Katelyn Yoo has achieved in her swimming career. For each event, you can find Katelyn's best time, the corresponding time standard, as well as how much faster Katelyn needs to be to reach the next level. The last columns provide Katelyn rankings at the team and LSC levels. These rankings are based on the Katelyn's personal best, her 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	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	26.35	26.09 (+0.26s \| 1.0%)	25.79 (+0.56s \| 2.1%) 26.09 (+0.26s \| 1.0%)	29.49	27.29	26.09 (+0.26s \| 1.0%)	24.89 (+1.46s \| 5.5%) 25.69 (+0.66s \| 2.5%)	23.89 (+2.46s \| 9.3%)	23.89 (+2.46s \| 9.3%)	23.29 (+3.06s \| 11.6%)	22.49 (+3.86s \| 14.6%)	22.79 (+3.56s \| 13.5%)
Free 100 Y	56.67	56.79	55.89 (+0.78s \| 1.4%) 56.79	1:03.79	58.89	56.49 (+0.18s \| 0.3%)	53.99 (+2.68s \| 4.7%) 55.49 (+1.18s \| 2.1%)	51.89 (+4.78s \| 8.4%)	51.89 (+4.78s \| 8.4%)	50.39 (+6.28s \| 11.1%)	48.99 (+7.68s \| 13.6%)	49.69 (+6.98s \| 12.3%)
Back 50 Y	29.63	29.09 (+0.54s \| 1.8%)	28.69 (+0.94s \| 3.2%) 29.09 (+0.54s \| 1.8%)	N/A	N/A	N/A	27.59 (+2.04s \| 6.9%) 28.29 (+1.34s \| 4.5%)	N/A	N/A	N/A	24.39 (+5.24s \| 17.7%)	N/A
Back 100 Y	1:04.74	1:03.79 (+0.95s \| 1.5%)	1:02.49 (+2.25s \| 3.5%) 1:03.79 (+0.95s \| 1.5%)	1:09.39	1:04.09 (+0.65s \| 1.0%)	1:01.39 (+3.35s \| 5.2%)	59.49 (+5.25s \| 8.1%) 1:01.19 (+3.55s \| 5.5%)	57.09 (+7.65s \| 11.8%)	57.09 (+7.65s \| 11.8%)	55.09 (+9.65s \| 14.9%)	52.99 (+11.75s \| 18.1%)	54.49 (+10.25s \| 15.8%)
Breast 50 Y	46.80	34.09 (+12.71s \| 27.2%)	33.29 (+13.51s \| 28.9%) 34.09 (+12.71s \| 27.2%)	N/A	N/A	N/A	30.99 (+15.81s \| 33.8%) 31.89 (+14.91s \| 31.9%)	N/A	N/A	N/A	27.99 (+18.81s \| 40.2%)	N/A
Fly 50 Y	28.21	29.09	28.09 (+0.12s \| 0.4%) 29.09	N/A	N/A	N/A	27.09 (+1.12s \| 4.0%) 27.69 (+0.52s \| 1.8%)	N/A	N/A	N/A	24.09 (+4.12s \| 14.6%)	N/A
Fly 100 Y	1:01.63	1:02.79	1:02.09 59.59 (+2.04s \| 3.3%)	1:09.09	1:03.79	1:01.09 (+0.54s \| 0.9%)	59.19 (+2.44s \| 4.0%) 1:00.89 (+0.74s \| 1.2%)	56.59 (+5.04s \| 8.2%)	56.59 (+5.04s \| 8.2%)	54.69 (+6.94s \| 11.3%)	52.79 (+8.84s \| 14.3%)	53.99 (+7.64s \| 12.4%)

Long Course Distance

Event	Best Time	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

Orinda Aquatics SC Senior Open Meet

10/24/2026

Moraga

50 Y Fly

28.40

+0.19s

AAA: 28.19 (+0.21s | 0.7%)

100 Y Back

1:04.74

-1.06s (New PB)

AA: 1:03.19 (+1.55s | 2.4%)

50 Back

30.23

100 Back

34.51

1:04.74

100 Back

1:04.74

50 Y Free

26.35

-0.14s (New PB)

AAA: 25.59 (+0.76s | 2.9%)

100 Y Free

56.67

-0.82s (New PB)

AAA: 55.79 (+0.88s | 1.6%)

50 Free

27.31

100 Free

29.36

56.67

100 Free

56.67

100 Y Fly

1:01.63

-0.63s (New PB)

AAA: 1:00.39 (+1.24s | 2.0%)

50 Fly

28.94

100 Fly

32.69

1:01.63

100 Fly

1:01.63

SRVA SC C B BB+ Meet

10/10/2026

San Ramon

100 Y Back

1:06.97

+1.17s

A: 1:05.89 (+1.08s | 1.6%)

100 Y Fly

1:04.45

+2.19s

AA: 1:03.09 (+1.36s | 2.1%)

100 Y Free

57.49

-0.03s (New PB)

AAA: 55.79 (+1.70s | 3.0%)

PC TCA Short Course Senior Open

09/26/2026

Novato

50 Y Back

29.63

-0.98s (New PB)

AAA: 28.49 (+1.14s | 3.8%)

100 Y Free

57.66

+0.14s

AAA: 55.79 (+1.87s | 3.2%)

50 Free

28.01

100 Free

29.65

57.66

100 Free

57.66

100 Y Fly

1:03.28

+1.02s

AA: 1:03.09 (+0.19s | 0.3%)

50 Fly

29.09

100 Fly

34.19

1:03.28

100 Fly

1:03.28

50 Y Free

26.49

-0.04s (New PB)

AAA: 25.59 (+0.90s | 3.4%)

100 Y Back

1:05.80

-2.26s (New PB)

AA: 1:03.19 (+2.61s | 4.0%)

50 Back

31.05

100 Back

34.75

1:05.80

100 Back

1:05.80

50 Y Fly

28.46

+0.25s

AAA: 28.19 (+0.27s | 0.9%)

Winter SC Age Group Championships

12/12/2025

San Ramon

100 Y Fly

1:03.91

+1.65s

AA: 1:03.09 (+0.82s | 1.3%)

50 Fly

29.73

100 Fly

34.18

1:03.91

100 Fly

1:03.91

100 Y Free

57.52

-0.96s (New PB)

AAA: 55.79 (+1.73s | 3.0%)

50 Free

28.07

100 Free

29.45

57.52

100 Free

57.52

50 Y Fly

28.21

-0.80s (New PB)

AAA: 28.19 (+0.02s | 0.1%)

50 Y Free

26.53

-0.46s (New PB)

AAA: 25.59 (+0.94s | 3.5%)

PC SRVA SCY B BB+ Meet

10/18/2025

San Ramon

100 Y Free

58.48

-0.24s (New PB)

AA: 58.29 (+0.19s | 0.3%)

100 Y Fly

1:03.78

+1.52s

AA: 1:03.09 (+0.69s | 1.1%)

50 Y Free

26.99

-0.46s (New PB)

AA: 26.69 (+0.30s | 1.1%)

100 Y Back

1:08.06

-0.82s (New PB)

A: 1:05.89 (+2.17s | 3.2%)

Orinda Aquatics SC C B BB+ Meet

09/27/2025

Moraga

100 Y Back

1:08.88

A: 1:05.89 (+2.99s | 4.3%)

100 Y Fly

1:02.26

AAA: 1:00.39 (+1.87s | 3.0%)

100 Y Free

58.72

-0.67s (New PB)

AA: 58.29 (+0.43s | 0.7%)

2024 Pacific Swimming Winter Age Group Champs

12/06/2024

Morgan Hill

100 Y IM

1:11.02

-14.36s (New PB)

AA: 1:09.99 (+1.03s | 1.5%)

50 IM

31.33

100 IM

39.69

1:11.02

100 IM

1:11.02

50 Y Free

27.54

+0.09s

AAA: 26.99 (+0.55s | 2.0%)

50 Y Back

30.61

-0.81s (New PB)

AAA: 30.49 (+0.12s | 0.4%)

100 Y Free

59.39

-0.01s (New PB)

AAA: 58.69 (+0.70s | 1.2%)

50 Free

28.56

100 Free

30.83

59.39

100 Free

59.39

50 Y Fly

29.01

-0.11s (New PB)

AAA: 28.99 (+0.02s | 0.1%)

SRVA SCY CBBB+

11/02/2024

San Ramon

100 Y Free

59.40

AAA: 58.69 (+0.71s | 1.2%)

50 Y Fly

29.12

-1.68s (New PB)

AAA: 28.99 (+0.13s | 0.4%)

50 Y Free

27.45

-0.93s (New PB)

AAA: 26.99 (+0.46s | 1.7%)

50 Y Back

31.42

-6.05s (New PB)

AAA: 30.49 (+0.93s | 3.0%)

PC Short Course Winter AGC

12/01/2023

Moraga

50 Y Free

28.38

-0.43s (New PB)

AA: 28.09 (+0.29s | 1.0%)

50 Y Fly

30.80

-0.35s (New PB)

AA: 30.29 (+0.51s | 1.7%)

Crow Canyon Sharks Shortcourse C B BB+

09/16/2023

San Ramon

50 Y Free

28.81

-3.31s (New PB)

AA: 28.09 (+0.72s | 2.5%)

50 Y Fly

31.15

-5.54s (New PB)

AA: 30.29 (+0.86s | 2.8%)

Terrapins SCY C B BB+ Meet

10/01/2022

Concord

50 Y Back

37.47

-1.55s (New PB)

AA: 36.19 (+1.28s | 3.4%)

50 Y Breast

46.96

+0.16s

A: 42.79 (+4.17s | 8.9%)

50 Y Free

32.15

+0.03s

A: 32.09 (+0.06s | 0.2%)

100 Y IM

1:25.38

A: 1:22.09 (+3.29s | 3.9%)

50 Y Fly

36.69

AA: 35.09 (+1.60s | 4.4%)

2022 Fred Siegrist Memorial Swim Meet

09/17/2022

Walnut Creek

50 Y Free

32.12

A: 32.09 (+0.03s | 0.1%)

50 Y Back

39.02

A: 37.99 (+1.03s | 2.6%)

50 Y Breast

46.80

A: 42.79 (+4.01s | 8.6%)

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.