Catherine Bu

Age: 17 years old
Age Category: 17-18
Team: Winston Churchill | Unattached

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Winston Churchill

Unattached

USA

Free 50 Y

24.50

12/11/2025

AAA

AAAA: 23.49 (+1.01s | 4.1%)

640

Free 100 Y

52.45

03/21/2024

AAA

AAAA: 51.09 (+1.36s | 2.6%)

414

50 Free

25.39

100 Free

27.06

52.45

100 Free

52.45

Free 200 Y

1:51.04

02/06/2026

AAA

AAAA: 1:50.39 (+0.65s | 0.6%)

183

50 Free

26.26

100 Free

28.28

54.54

100 Free

54.54

150 Free

28.25

1:22.79

200 Free

28.25

1:51.04

100 Free

56.50

Free 500 Y

5:02.81

03/05/2026

AAA

AAAA: 4:57.39 (+5.42s | 1.8%)

263

50 Free

27.20

100 Free

29.68

56.88

100 Free

56.88

150 Free

30.37

1:27.25

200 Free

30.62

1:57.87

100 Free

1:00.99

250 Free

30.95

2:28.82

300 Free

30.77

2:59.59

100 Free

1:01.72

350 Free

30.68

3:30.27

400 Free

31.36

4:01.63

100 Free

1:02.04

450 Free

31.40

4:33.03

500 Free

29.78

5:02.81

100 Free

1:01.18

Breast 100 Y

1:03.52

02/21/2026

AAAA

50 Breast

30.18

100 Breast

33.34

1:03.52

100 Breast

1:03.52

Breast 200 Y

2:19.41

03/21/2024

AAA

AAAA: 2:18.49 (+0.92s | 0.7%)

132

50 Breast

31.88

100 Breast

35.41

1:07.29

100 Breast

1:07.29

150 Breast

36.15

1:43.44

200 Breast

35.97

2:19.41

100 Breast

1:12.12

IM 200 Y

2:11.84

12/11/2025

AAA: 2:08.49 (+3.35s | 2.5%)

738

50 Fly

28.82

100 Back

35.94

1:04.76

100 IM

1:04.76

150 Breast

37.20

1:41.96

200 Free

29.88

2:11.84

100 IM

1:07.08

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Winston Churchill

Unattached

USA

Free 50 M

29.13

01/14/2023

AAA: 28.19 (+0.94s | 3.2%)

998

Free 100 M

1:01.93

01/14/2023

AAA: 1:01.09 (+0.84s | 1.4%)

677

50 Free

29.77

100 Free

32.16

1:01.93

100 Free

1:01.93

Free 200 M

2:19.04

01/14/2023

AA: 2:17.69 (+1.35s | 1.0%)

1,000+

50 Free

32.00

100 Free

35.74

1:07.74

100 Free

1:07.74

150 Free

36.49

1:44.23

200 Free

34.81

2:19.04

100 Free

1:11.30

Back 100 M

1:16.22

05/16/2024

A: 1:13.69 (+2.53s | 3.3%)

1,000+

50 Back

36.53

100 Back

39.68

1:16.21

100 Back

1:16.21

Breast 100 M

1:16.18

01/14/2023

AAA

AAAA: 1:13.09 (+3.09s | 4.1%)

156

50 Breast

35.97

100 Breast

40.21

1:16.18

100 Breast

1:16.18

Breast 200 M

2:44.66

01/14/2023

AAA

AAAA: 2:37.49 (+7.17s | 4.4%)

135

50 Breast

38.11

100 Breast

42.19

1:20.30

100 Breast

1:20.30

150 Breast

41.92

2:02.22

200 Breast

42.44

2:44.66

100 Breast

1:24.36

IM 200 M

2:34.39

01/14/2023

AAA: 2:28.79 (+5.60s | 3.6%)

658

50 Fly

32.84

100 Back

44.15

1:16.99

100 IM

1:16.99

150 Breast

43.36

2:00.35

200 Free

34.04

2:34.39

100 IM

1:17.40

Above are the fastest times that Catherine Bu has achieved in her swimming career. For each event, you can find Catherine's best time, the corresponding time standard, as well as how much faster Catherine needs to be to reach the next level. The last columns provide Catherine rankings at the team and LSC levels. These rankings are based on the Catherine'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.

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	24.50	24.89	23.89 (+0.61s \| 2.5%)	23.89 (+0.61s \| 2.5%)	23.29 (+1.21s \| 4.9%)	22.59 (+1.91s \| 7.8%)	22.79 (+1.71s \| 7.0%)
Free 100 Y	52.45	53.99	51.89 (+0.56s \| 1.1%)	51.89 (+0.56s \| 1.1%)	50.39 (+2.06s \| 3.9%)	49.29 (+3.16s \| 6.0%)	49.69 (+2.76s \| 5.3%)
Free 200 Y	1:51.04	1:56.29	1:52.89	1:52.29	1:49.09 (+1.95s \| 1.8%)	1:46.69 (+4.35s \| 3.9%)	1:47.39 (+3.65s \| 3.3%)
Free 500 Y	5:02.81	5:10.69	5:02.59 (+0.22s \| 0.1%)	5:02.59 (+0.22s \| 0.1%)	4:53.09 (+9.72s \| 3.2%)	4:45.99 (+16.82s \| 5.6%)	4:48.09 (+14.72s \| 4.9%)
Breast 100 Y	1:03.52	1:07.59	1:05.49	1:05.49	1:03.09 (+0.43s \| 0.7%)	1:01.79 (+1.73s \| 2.7%)	1:02.79 (+0.73s \| 1.1%)
Breast 200 Y	2:19.41	2:28.19	2:22.69	2:22.69	2:17.19 (+2.22s \| 1.6%)	2:13.59 (+5.82s \| 4.2%)	2:15.49 (+3.92s \| 2.8%)
IM 200 Y	2:11.84	2:10.49 (+1.35s \| 1.0%)	2:06.39 (+5.45s \| 4.1%)	2:06.39 (+5.45s \| 4.1%)	2:02.19 (+9.65s \| 7.3%)	1:59.49 (+12.35s \| 9.4%)	2:00.59 (+11.25s \| 8.5%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	29.13	28.69 (+0.44s \| 1.5%)	27.39 (+1.74s \| 6.0%)	27.39 (+1.74s \| 6.0%)	26.89 (+2.24s \| 7.7%)	26.29 (+2.84s \| 9.7%)	26.59 (+2.54s \| 8.7%)
Free 100 M	1:01.93	1:01.89 (+0.04s \| 0.1%)	59.29 (+2.64s \| 4.3%)	59.29 (+2.64s \| 4.3%)	58.19 (+3.74s \| 6.0%)	56.99 (+4.94s \| 8.0%)	57.59 (+4.34s \| 7.0%)
Free 200 M	2:19.04	2:12.99 (+6.05s \| 4.4%)	2:07.79 (+11.25s \| 8.1%)	2:07.79 (+11.25s \| 8.1%)	2:04.99 (+14.05s \| 10.1%)	2:03.09 (+15.95s \| 11.5%)	2:04.29 (+14.75s \| 10.6%)
Back 100 M	1:16.22	1:09.49 (+6.73s \| 8.8%)	1:06.79 (+9.43s \| 12.4%)	1:06.79 (+9.43s \| 12.4%)	1:04.79 (+11.43s \| 15.0%)	1:03.69 (+12.53s \| 16.4%)	1:04.39 (+11.83s \| 15.5%)
Breast 100 M	1:16.18	1:18.79	1:15.99 (+0.19s \| 0.2%)	1:15.99 (+0.19s \| 0.2%)	1:13.79 (+2.39s \| 3.1%)	1:12.19 (+3.99s \| 5.2%)	1:13.29 (+2.89s \| 3.8%)
Breast 200 M	2:44.66	2:49.69	2:43.39 (+1.27s \| 0.8%)	2:43.39 (+1.27s \| 0.8%)	2:38.59 (+6.07s \| 3.7%)	2:36.09 (+8.57s \| 5.2%)	2:38.29 (+6.37s \| 3.9%)
IM 200 M	2:34.39	2:31.09 (+3.30s \| 2.1%)	2:26.19 (+8.20s \| 5.3%)	2:26.19 (+8.20s \| 5.3%)	2:22.09 (+12.30s \| 8.0%)	2:19.49 (+14.90s \| 9.7%)	2:20.99 (+13.40s \| 8.7%)

Progression

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

Select the distance and stroke

Compare with another swimmer

View this profile

Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 PV Short Course Open Championships

03/05/2026

College Park

500 Y Free

5:02.81

-12.93s (New PB)

AAA

AAAA: 4:57.39 (+5.42s | 1.8%)

50 Free

27.20

100 Free

29.68

56.88

100 Free

56.88

150 Free

30.37

1:27.25

200 Free

30.62

1:57.87

100 Free

1:00.99

250 Free

30.95

2:28.82

300 Free

30.77

2:59.59

100 Free

1:01.72

350 Free

30.68

3:30.27

400 Free

31.36

4:01.63

100 Free

1:02.04

450 Free

31.40

4:33.03

500 Free

29.78

5:02.81

100 Free

1:01.18

2026 MPSSAA_4A3AStateSwimChamps

02/21/2026

College Park

200 Y Free

1:51.82

+0.78s

AAA

AAAA: 1:50.39 (+1.43s | 1.3%)

50 Free

26.94

100 Free

29.01

55.95

100 Free

55.95

150 Free

28.47

1:24.42

200 Free

27.40

1:51.82

100 Free

55.87

100 Y Breast

1:03.52

-0.09s (New PB)

AAAA

50 Breast

30.18

100 Breast

33.34

1:03.52

100 Breast

1:03.52

4A3A MPSSAA North Region Championships

02/14/2026

Silver Spring

200 Y Free

1:55.06

+4.02s

AAA

AAAA: 1:50.39 (+4.67s | 4.1%)

50 Free

27.45

100 Free

29.31

56.76

100 Free

56.76

150 Free

29.05

1:25.81

200 Free

29.25

1:55.06

100 Free

58.30

100 Y Breast

1:05.59

+1.98s

AAA

AAAA: 1:03.59 (+2.00s | 3.0%)

50 Breast

31.44

100 Breast

34.15

1:05.59

100 Breast

1:05.59

2026 METRO Championships

02/06/2026

Boyds

200 Y Free

1:51.04

-2.04s (New PB)

AAA

AAAA: 1:50.39 (+0.65s | 0.6%)

50 Free

26.26

100 Free

28.28

54.54

100 Free

54.54

150 Free

28.25

1:22.79

200 Free

28.25

1:51.04

100 Free

56.50

100 Y Breast

1:03.61

-0.13s (New PB)

AAA

AAAA: 1:03.59 (+0.02s | 0.0%)

50 Breast

30.13

100 Breast

33.48

1:03.61

100 Breast

1:03.61

2026 AAC LC Invite

01/03/2026

Arlington

100 M Back

1:17.76

+1.54s

A: 1:13.69 (+4.07s | 5.2%)

200 M Breast

2:45.62

+0.96s

AAA: 2:44.99 (+0.63s | 0.4%)

50 Breast

37.27

100 Breast

42.12

1:19.39

100 Breast

1:19.39

150 Breast

43.35

2:02.74

200 Breast

42.88

2:45.62

100 Breast

1:26.23

2025 Katie Ledecky Invitational

12/11/2025

College Park

100 Y Breast

1:04.53

+0.79s

AAA

AAAA: 1:03.59 (+0.94s | 1.5%)

50 Breast

30.44

100 Breast

34.09

1:04.53

100 Breast

1:04.53

200 Y IM

2:11.84

-1.70s (New PB)

AAA: 2:08.49 (+3.35s | 2.5%)

50 Fly

28.82

100 Back

35.94

1:04.76

100 IM

1:04.76

150 Breast

37.20

1:41.96

200 Free

29.88

2:11.84

100 IM

1:07.08

50 Y Free

24.50

-0.02s (New PB)

AAA

AAAA: 23.49 (+1.01s | 4.1%)

200 Y Breast

2:19.75

+0.34s

AAA

AAAA: 2:18.49 (+1.26s | 0.9%)

50 Breast

31.97

100 Breast

34.69

1:06.66

100 Breast

1:06.66

150 Breast

36.40

1:43.06

200 Breast

36.69

2:19.75

100 Breast

1:13.09

100 Y Free

52.65

+0.20s

AAA

AAAA: 51.09 (+1.56s | 3.0%)

50 Free

25.16

100 Free

27.49

52.65

100 Free

52.65

200 Y Free

1:55.75

+2.67s

AAA: 1:55.69 (+0.06s | 0.1%)

50 Free

27.06

100 Free

29.45

56.51

100 Free

56.51

150 Free

29.82

1:26.33

200 Free

29.42

1:55.75

100 Free

59.24

NOVA Senior Classic

10/31/2025

Richmond

200 Y Free

1:55.05

+1.97s

AAA

AAAA: 1:50.39 (+4.66s | 4.1%)

50 Free

27.02

100 Free

29.19

56.21

100 Free

56.21

150 Free

29.12

1:25.33

200 Free

29.72

1:55.05

100 Free

58.84

200 Y Breast

2:22.14

+2.73s

AAA

AAAA: 2:18.49 (+3.65s | 2.6%)

50 Breast

32.64

100 Breast

35.71

1:08.35

100 Breast

1:08.35

150 Breast

36.37

1:44.72

200 Breast

37.42

2:22.14

100 Breast

1:13.79

50 Y Free

24.52

-0.28s (New PB)

AAA

AAAA: 23.49 (+1.03s | 4.2%)

100 Y Breast

1:05.15

+1.41s

AAA

AAAA: 1:03.59 (+1.56s | 2.4%)

50 Breast

31.01

100 Breast

34.14

1:05.15

100 Breast

1:05.15

2025 PAC All Freestyle Meet

09/27/2025

Laurel

100 Y Free

53.88

+1.43s

AAA: 53.49 (+0.39s | 0.7%)

50 Free

26.32

100 Free

27.56

53.88

100 Free

53.88

500 Y Free

5:15.74

AAA: 5:11.59 (+4.15s | 1.3%)

50 Free

28.04

100 Free

30.85

58.89

100 Free

58.89

150 Free

31.77

1:30.66

200 Free

31.79

2:02.45

100 Free

1:03.56

250 Free

32.14

2:34.59

300 Free

32.25

3:06.84

100 Free

1:04.39

350 Free

32.14

3:38.98

400 Free

32.16

4:11.14

100 Free

1:04.30

450 Free

32.70

4:43.84

500 Free

31.90

5:15.74

100 Free

1:04.60

200 Y Free

1:59.21

+6.13s

AAA: 1:55.69 (+3.52s | 3.0%)

50 Free

27.52

100 Free

30.20

57.72

100 Free

57.72

150 Free

31.02

1:28.74

200 Free

30.47

1:59.21

100 Free

1:01.49

50 Y Free

24.97

+0.17s

AAA: 24.69 (+0.28s | 1.1%)

2024 EZ LC Speedo Super Sectional

05/16/2024

Richmond

100 M Back

1:16.22

A: 1:14.49 (+1.73s | 2.3%)

50 Back

36.53

100 Back

39.68

1:16.21

100 Back

1:16.21

2024 SwimRVA Shamrock Showdown

03/21/2024

Richmond

200 Y Breast

2:19.41

-3.27s (New PB)

AAAA

50 Breast

31.88

100 Breast

35.41

1:07.29

100 Breast

1:07.29

150 Breast

36.15

1:43.44

200 Breast

35.97

2:19.41

100 Breast

1:12.12

100 Y Breast

1:03.74

-1.45s (New PB)

AAAA

50 Breast

30.39

100 Breast

33.35

1:03.74

100 Breast

1:03.74

200 Y Free

1:53.08

-4.24s (New PB)

AAA

AAAA: 1:51.79 (+1.29s | 1.1%)

50 Free

26.82

100 Free

29.08

55.90

100 Free

55.90

150 Free

28.90

1:24.80

200 Free

28.28

1:53.08

100 Free

57.18

100 Y Free

52.45

-0.74s (New PB)

AAA

AAAA: 51.59 (+0.86s | 1.6%)

50 Free

25.39

100 Free

27.06

52.45

100 Free

52.45

50 Y Free

24.80

-0.32s (New PB)

AAA

AAAA: 23.89 (+0.91s | 3.7%)

NOVA Senior Classic

10/27/2023

Richmond

100 Y Breast

1:06.17

+0.98s

AAA

AAAA: 1:04.49 (+1.68s | 2.5%)

50 Breast

31.56

100 Breast

34.61

1:06.17

100 Breast

1:06.17

200 Y Free

1:57.32

-1.36s (New PB)

AAA: 1:57.09 (+0.23s | 0.2%)

50 Free

27.13

100 Free

29.87

57.00

100 Free

57.00

150 Free

30.80

1:27.80

200 Free

29.52

1:57.32

100 Free

1:00.32

200 Y Breast

2:22.68

-0.73s (New PB)

AAA

AAAA: 2:19.49 (+3.19s | 2.2%)

50 Breast

32.38

100 Breast

36.27

1:08.65

100 Breast

1:08.65

150 Breast

37.07

1:45.72

200 Breast

36.96

2:22.68

100 Breast

1:14.03

100 Y Free

53.19

AAA

AAAA: 51.59 (+1.60s | 3.0%)

50 Free

25.52

100 Free

27.67

53.19

100 Free

53.19

200 Y IM

2:13.92

+0.38s

AAA: 2:10.59 (+3.33s | 2.5%)

50 Fly

29.12

100 Back

35.89

1:05.01

100 IM

1:05.01

150 Breast

38.82

1:43.83

200 Free

30.09

2:13.92

100 IM

1:08.91

50 Y Free

25.12

AAA: 24.99 (+0.13s | 0.5%)

NOVA LC Winter Invitational

01/14/2023

Richmond

50 M Free

29.13

AAA

AAAA: 27.89 (+1.24s | 4.3%)

100 M Free

1:01.93

AAA

AAAA: 1:00.89 (+1.04s | 1.7%)

50 Free

29.77

100 Free

32.16

1:01.93

100 Free

1:01.93

200 M IM

2:34.39

AAA

AAAA: 2:27.89 (+6.50s | 4.2%)

50 Fly

32.84

100 Back

44.15

1:16.99

100 IM

1:16.99

150 Breast

43.36

2:00.35

200 Free

34.04

2:34.39

100 IM

1:17.40

200 M Free

2:19.04

AAA: 2:17.79 (+1.25s | 0.9%)

50 Free

32.00

100 Free

35.74

1:07.74

100 Free

1:07.74

150 Free

36.49

1:44.23

200 Free

34.81

2:19.04

100 Free

1:11.30

100 M Breast

1:16.18

AAAA

50 Breast

35.97

100 Breast

40.21

1:16.18

100 Breast

1:16.18

200 M Breast

2:44.66

AAAA

50 Breast

38.11

100 Breast

42.19

1:20.30

100 Breast

1:20.30

150 Breast

41.92

2:02.22

200 Breast

42.44

2:44.66

100 Breast

1:24.36

2022 Mid Atlantic AG Championship Showdown

11/04/2022

Richmond

100 Y Breast

1:05.19

-2.56s (New PB)

AAAA

50 Breast

31.11

100 Breast

34.08

1:05.19

100 Breast

1:05.19

200 Y Free

1:58.68

AAA

AAAA: 1:55.29 (+3.39s | 2.9%)

50 Free

27.42

100 Free

29.76

57.18

100 Free

57.18

150 Free

31.01

1:28.19

200 Free

30.49

1:58.68

100 Free

1:01.50

200 Y Breast

2:23.41

-4.92s (New PB)

AAA

AAAA: 2:23.29 (+0.12s | 0.1%)

50 Breast

32.77

100 Breast

36.43

1:09.20

100 Breast

1:09.20

150 Breast

37.15

1:46.35

200 Breast

37.06

2:23.41

100 Breast

1:14.21

200 Y IM

2:13.54

AAA

AAAA: 2:08.79 (+4.75s | 3.6%)

50 Fly

29.31

100 Back

35.03

1:04.34

100 IM

1:04.34

150 Breast

38.53

1:42.87

200 Free

30.67

2:13.54

100 IM

1:09.20

2021 VA Mid Atlantic AG Championship Showdown

11/05/2021

Stafford

100 Y Breast

1:07.75

AAA

AAAA: 1:06.49 (+1.26s | 1.9%)

50 Breast

31.93

100 Breast

35.82

1:07.75

100 Breast

1:07.75

200 Y Breast

2:28.33

AAA

AAAA: 2:23.29 (+5.04s | 3.4%)

50 Breast

34.56

100 Breast

38.44

1:13.00

100 Breast

1:13.00

150 Breast

37.79

1:50.79

200 Breast

37.54

2:28.33

100 Breast

1:15.33

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 M	29.13	28.69 (+0.44s \| 1.5%)	27.39 (+1.74s \| 6.0%)	27.39 (+1.74s \| 6.0%)	26.89 (+2.24s \| 7.7%)	26.29 (+2.84s \| 9.7%)	26.59 (+2.54s \| 8.7%)
Free 100 M	1:01.93	1:01.89 (+0.04s \| 0.1%)	59.29 (+2.64s \| 4.3%)	59.29 (+2.64s \| 4.3%)	58.19 (+3.74s \| 6.0%)	56.99 (+4.94s \| 8.0%)	57.59 (+4.34s \| 7.0%)
Free 200 M	2:19.04	2:12.99 (+6.05s \| 4.4%)	2:07.79 (+11.25s \| 8.1%)	2:07.79 (+11.25s \| 8.1%)	2:04.99 (+14.05s \| 10.1%)	2:03.09 (+15.95s \| 11.5%)	2:04.29 (+14.75s \| 10.6%)
Back 100 M	1:16.22	1:09.49 (+6.73s \| 8.8%)	1:06.79 (+9.43s \| 12.4%)	1:06.79 (+9.43s \| 12.4%)	1:04.79 (+11.43s \| 15.0%)	1:03.69 (+12.53s \| 16.4%)	1:04.39 (+11.83s \| 15.5%)
Breast 100 M	1:16.18	1:18.79	1:15.99 (+0.19s \| 0.2%)	1:15.99 (+0.19s \| 0.2%)	1:13.79 (+2.39s \| 3.1%)	1:12.19 (+3.99s \| 5.2%)	1:13.29 (+2.89s \| 3.8%)
Breast 200 M	2:44.66	2:49.69	2:43.39 (+1.27s \| 0.8%)	2:43.39 (+1.27s \| 0.8%)	2:38.59 (+6.07s \| 3.7%)	2:36.09 (+8.57s \| 5.2%)	2:38.29 (+6.37s \| 3.9%)
IM 200 M	2:34.39	2:31.09 (+3.30s \| 2.1%)	2:26.19 (+8.20s \| 5.3%)	2:26.19 (+8.20s \| 5.3%)	2:22.09 (+12.30s \| 8.0%)	2:19.49 (+14.90s \| 9.7%)	2:20.99 (+13.40s \| 8.7%)