Emma Bui

Age: 15 years old
Age Category: 15-16
Team: Machine Aquatics | Potomac Valley Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Potomac Valley Swimming

Machine Aquatics

Free 50 Y

27.34

11/11/2022

A: 27.29 (+0.05s | 0.2%)

160

Free 100 Y

57.67

11/03/2023

AA: 56.49 (+1.18s | 2.0%)

50 Free

27.63

100 Free

30.04

57.67

100 Free

57.67

Free 200 Y

2:16.36

11/11/2022

A: 2:07.69 (+8.67s | 6.4%)

178

50 Free

29.41

100 Free

33.88

1:03.29

100 Free

1:03.29

150 Free

35.44

1:38.73

200 Free

37.63

2:16.36

100 Free

1:13.07

Free 500 Y

5:58.15

11/03/2023

A: 5:43.69 (+14.46s | 4.0%)

104

50 Free

31.21

100 Free

34.41

1:05.62

100 Free

1:05.62

150 Free

36.38

1:42.00

200 Free

36.72

2:18.72

100 Free

1:13.10

250 Free

36.66

2:55.38

300 Free

36.37

3:31.75

100 Free

1:13.03

350 Free

36.92

4:08.67

400 Free

36.91

4:45.58

100 Free

1:13.83

450 Free

37.21

5:22.79

500 Free

35.36

5:58.15

100 Free

1:12.57

Back 100 Y

1:04.40

11/03/2023

A: 1:04.09 (+0.31s | 0.5%)

50 Back

31.72

100 Back

32.68

1:04.40

100 Back

1:04.40

Back 200 Y

2:22.44

11/03/2023

A: 2:19.09 (+3.35s | 2.4%)

50 Back

33.73

100 Back

36.81

1:10.54

100 Back

1:10.54

150 Back

35.83

1:46.37

200 Back

36.07

2:22.44

100 Back

1:11.90

Breast 100 Y

1:21.42

11/11/2022

BB: 1:19.79 (+1.63s | 2.0%)

166

50 Breast

38.84

100 Breast

42.58

1:21.42

100 Breast

1:21.42

Breast 200 Y

3:01.66

11/11/2022

BB: 2:52.69 (+8.97s | 4.9%)

149

50 Breast

39.73

100 Breast

45.66

1:25.39

100 Breast

1:25.39

150 Breast

47.73

2:13.12

200 Breast

48.54

3:01.66

100 Breast

1:36.27

Fly 100 Y

1:08.23

11/03/2023

A: 1:03.79 (+4.44s | 6.5%)

140

50 Fly

32.54

100 Fly

35.68

1:08.23

100 Fly

1:08.23

IM 200 Y

2:27.44

11/03/2023

A: 2:22.39 (+5.05s | 3.4%)

135

50 Fly

32.24

100 Back

38.05

1:10.29

100 IM

1:10.29

150 Breast

43.52

1:53.81

200 Free

33.63

2:27.44

100 IM

1:17.15

IM 400 Y

5:11.33

11/03/2023

A: 5:04.29 (+7.04s | 2.3%)

50 Fly

31.91

100 Fly

38.38

1:10.29

100 Fly

1:10.29

150 Back

38.73

1:49.02

200 Back

37.94

2:26.96

100 Back

1:16.67

250 Breast

46.34

3:13.30

300 Breast

46.13

3:59.43

100 Breast

1:32.47

350 Free

37.69

4:37.12

400 Free

34.21

5:11.33

100 Free

1:11.90

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Potomac Valley Swimming

Machine Aquatics

Free 50 M

28.60

07/29/2025

AAA: 28.29 (+0.31s | 1.1%)

Free 100 M

1:01.95

07/29/2025

AAA: 1:01.59 (+0.36s | 0.6%)

50 Free

29.82

100 Free

32.13

1:01.95

100 Free

1:01.95

Back 100 M

1:11.19

07/29/2025

AAA: 1:08.29 (+2.90s | 4.1%)

50 Back

34.56

100 Back

36.63

1:11.19

100 Back

1:11.19

Breast 100 M

1:31.59

01/13/2024

BB: 1:31.59 (+0.00s | -0.0%)

50 Breast

42.99

100 Breast

48.60

1:31.59

100 Breast

1:31.59

Breast 200 M

3:02.83

07/29/2025

A: 3:02.09 (+0.74s | 0.4%)

50 Breast

42.58

100 Breast

46.47

1:29.05

100 Breast

1:29.05

150 Breast

47.72

2:16.77

200 Breast

46.06

3:02.83

100 Breast

1:33.78

Fly 100 M

1:25.18

01/13/2024

B: 1:24.29 (+0.89s | 1.0%)

50 Fly

38.11

100 Fly

47.07

1:25.18

100 Fly

1:25.18

IM 200 M

2:36.14

07/29/2025

AAA: 2:30.19 (+5.95s | 3.8%)

50 Fly

32.29

100 Back

39.53

1:11.82

100 IM

1:11.82

150 Breast

47.41

1:59.23

200 Free

36.91

2:36.14

100 IM

1:24.32

Above are the fastest times that Emma Bui has achieved in her swimming career. For each event, you can find Emma's best time, the corresponding time standard, as well as how much faster Emma needs to be to reach the next level. The last columns provide Emma rankings at the team and LSC levels. These rankings are based on the Emma'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	27.34	24.89 (+2.45s \| 9.0%)	23.89 (+3.45s \| 12.6%)	23.89 (+3.45s \| 12.6%)	23.29 (+4.05s \| 14.8%)	22.59 (+4.75s \| 17.4%)	22.79 (+4.55s \| 16.6%)
Free 100 Y	57.67	53.99 (+3.68s \| 6.4%)	51.89 (+5.78s \| 10.0%)	51.89 (+5.78s \| 10.0%)	50.39 (+7.28s \| 12.6%)	49.29 (+8.38s \| 14.5%)	49.69 (+7.98s \| 13.8%)
Free 200 Y	2:16.36	1:56.29 (+20.07s \| 14.7%)	1:52.89 (+23.47s \| 17.2%)	1:52.29 (+24.07s \| 17.7%)	1:49.09 (+27.27s \| 20.0%)	1:46.69 (+29.67s \| 21.8%)	1:47.39 (+28.97s \| 21.2%)
Free 500 Y	5:58.15	5:10.69 (+47.46s \| 13.3%)	5:02.59 (+55.56s \| 15.5%)	5:02.59 (+55.56s \| 15.5%)	4:53.09 (+65.06s \| 18.2%)	4:45.99 (+72.16s \| 20.1%)	4:48.09 (+70.06s \| 19.6%)
Back 100 Y	1:04.40	59.49 (+4.91s \| 7.6%)	57.09 (+7.31s \| 11.4%)	57.09 (+7.31s \| 11.4%)	55.09 (+9.31s \| 14.5%)	53.89 (+10.51s \| 16.3%)	54.49 (+9.91s \| 15.4%)
Back 200 Y	2:22.44	2:08.59 (+13.85s \| 9.7%)	2:04.19 (+18.25s \| 12.8%)	2:04.19 (+18.25s \| 12.8%)	1:59.39 (+23.05s \| 16.2%)	1:56.59 (+25.85s \| 18.1%)	1:57.69 (+24.75s \| 17.4%)
Breast 100 Y	1:21.42	1:07.59 (+13.83s \| 17.0%)	1:05.49 (+15.93s \| 19.6%)	1:05.49 (+15.93s \| 19.6%)	1:03.09 (+18.33s \| 22.5%)	1:01.79 (+19.63s \| 24.1%)	1:02.79 (+18.63s \| 22.9%)
Breast 200 Y	3:01.66	2:28.19 (+33.47s \| 18.4%)	2:22.69 (+38.97s \| 21.5%)	2:22.69 (+38.97s \| 21.5%)	2:17.19 (+44.47s \| 24.5%)	2:13.59 (+48.07s \| 26.5%)	2:15.49 (+46.17s \| 25.4%)
Fly 100 Y	1:08.23	59.19 (+9.04s \| 13.2%)	56.59 (+11.64s \| 17.1%)	56.59 (+11.64s \| 17.1%)	54.69 (+13.54s \| 19.8%)	53.49 (+14.74s \| 21.6%)	53.99 (+14.24s \| 20.9%)
IM 200 Y	2:27.44	2:10.49 (+16.95s \| 11.5%)	2:06.39 (+21.05s \| 14.3%)	2:06.39 (+21.05s \| 14.3%)	2:02.19 (+25.25s \| 17.1%)	1:59.49 (+27.95s \| 19.0%)	2:00.59 (+26.85s \| 18.2%)
IM 400 Y	5:11.33	4:39.09 (+32.24s \| 10.4%)	4:30.69 (+40.64s \| 13.1%)	4:30.69 (+40.64s \| 13.1%)	4:21.69 (+49.64s \| 15.9%)	4:13.69 (+57.64s \| 18.5%)	4:15.19 (+56.14s \| 18.0%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	28.60	28.69	27.39 (+1.21s \| 4.2%)	27.39 (+1.21s \| 4.2%)	26.89 (+1.71s \| 6.0%)	26.29 (+2.31s \| 8.1%)	26.59 (+2.01s \| 7.0%)
Free 100 M	1:01.95	1:01.89 (+0.06s \| 0.1%)	59.29 (+2.66s \| 4.3%)	59.29 (+2.66s \| 4.3%)	58.19 (+3.76s \| 6.1%)	56.99 (+4.96s \| 8.0%)	57.59 (+4.36s \| 7.0%)
Back 100 M	1:11.19	1:09.49 (+1.70s \| 2.4%)	1:06.79 (+4.40s \| 6.2%)	1:06.79 (+4.40s \| 6.2%)	1:04.79 (+6.40s \| 9.0%)	1:03.69 (+7.50s \| 10.5%)	1:04.39 (+6.80s \| 9.6%)
Breast 100 M	1:31.59	1:18.79 (+12.80s \| 14.0%)	1:15.99 (+15.60s \| 17.0%)	1:15.99 (+15.60s \| 17.0%)	1:13.79 (+17.80s \| 19.4%)	1:12.19 (+19.40s \| 21.2%)	1:13.29 (+18.30s \| 20.0%)
Breast 200 M	3:02.83	2:49.69 (+13.14s \| 7.2%)	2:43.39 (+19.44s \| 10.6%)	2:43.39 (+19.44s \| 10.6%)	2:38.59 (+24.24s \| 13.3%)	2:36.09 (+26.74s \| 14.6%)	2:38.29 (+24.54s \| 13.4%)
Fly 100 M	1:25.18	1:07.19 (+17.99s \| 21.1%)	1:04.69 (+20.49s \| 24.1%)	1:04.69 (+20.49s \| 24.1%)	1:02.69 (+22.49s \| 26.4%)	1:01.69 (+23.49s \| 27.6%)	1:02.39 (+22.79s \| 26.8%)
IM 200 M	2:36.14	2:31.09 (+5.05s \| 3.2%)	2:26.19 (+9.95s \| 6.4%)	2:26.19 (+9.95s \| 6.4%)	2:22.09 (+14.05s \| 9.0%)	2:19.49 (+16.65s \| 10.7%)	2:20.99 (+15.15s \| 9.7%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 ISCA Summer Senior Blast

07/29/2025

St. Petersburg

50 M Back

32.47

50 M Fly

31.17

200 M IM

2:36.14

-14.64s (New PB)

AAA: 2:30.19 (+5.95s | 3.8%)

50 Fly

32.29

100 Back

39.53

1:11.82

100 IM

1:11.82

150 Breast

47.41

1:59.23

200 Free

36.91

2:36.14

100 IM

1:24.32

50 M Free

28.60

-1.67s (New PB)

AAA: 28.29 (+0.31s | 1.1%)

200 M Breast

3:02.83

A: 3:02.09 (+0.74s | 0.4%)

50 Breast

42.58

100 Breast

46.47

1:29.05

100 Breast

1:29.05

150 Breast

47.72

2:16.77

200 Breast

46.06

3:02.83

100 Breast

1:33.78

100 M Back

1:11.19

-4.55s (New PB)

AAA: 1:08.29 (+2.90s | 4.1%)

50 Back

34.56

100 Back

36.63

1:11.19

100 Back

1:11.19

100 M Free

1:01.95

-2.64s (New PB)

AAA: 1:01.59 (+0.36s | 0.6%)

50 Free

29.82

100 Free

32.13

1:01.95

100 Free

1:01.95

NOVA LC Winter Invitational

01/13/2024

Richmond

50 M Free

30.27

AAA: 29.29 (+0.98s | 3.2%)

100 M Breast

1:31.59

A: 1:27.69 (+3.90s | 4.3%)

50 Breast

42.99

100 Breast

48.60

1:31.59

100 Breast

1:31.59

200 M IM

2:50.78

A: 2:48.99 (+1.79s | 1.0%)

50 Fly

38.19

100 Back

43.23

1:21.42

100 IM

1:21.42

150 Breast

51.45

2:12.87

200 Free

37.91

2:50.78

100 IM

1:29.36

100 M Back

1:15.74

AA: 1:13.69 (+2.05s | 2.7%)

50 Back

37.09

100 Back

38.65

1:15.74

100 Back

1:15.74

100 M Fly

1:25.18

BB: 1:20.99 (+4.19s | 4.9%)

50 Fly

38.11

100 Fly

47.07

1:25.18

100 Fly

1:25.18

100 M Free

1:04.59

AAA: 1:03.79 (+0.80s | 1.2%)

50 Free

31.93

100 Free

32.66

1:04.59

100 Free

1:04.59

2023 HOKI 13 Over November Invitational

11/03/2023

Christiansburg

200 Y IM

2:27.44

-6.87s (New PB)

A: 2:27.19 (+0.25s | 0.2%)

50 Fly

32.24

100 Back

38.05

1:10.29

100 IM

1:10.29

150 Breast

43.52

1:53.81

200 Free

33.63

2:27.44

100 IM

1:17.15

100 Y Back

1:04.40

AA: 1:03.19 (+1.21s | 1.9%)

50 Back

31.72

100 Back

32.68

1:04.40

100 Back

1:04.40

400 Y IM

5:11.33

AA: 5:00.49 (+10.84s | 3.5%)

50 Fly

31.91

100 Fly

38.38

1:10.29

100 Fly

1:10.29

150 Back

38.73

1:49.02

200 Back

37.94

2:26.96

100 Back

1:16.67

250 Breast

46.34

3:13.30

300 Breast

46.13

3:59.43

100 Breast

1:32.47

350 Free

37.69

4:37.12

400 Free

34.21

5:11.33

100 Free

1:11.90

100 Y Fly

1:08.23

A: 1:05.89 (+2.34s | 3.4%)

50 Fly

32.54

100 Fly

35.68

1:08.23

100 Fly

1:08.23

200 Y Back

2:22.44

-7.15s (New PB)

AA: 2:16.69 (+5.75s | 4.0%)

50 Back

33.73

100 Back

36.81

1:10.54

100 Back

1:10.54

150 Back

35.83

1:46.37

200 Back

36.07

2:22.44

100 Back

1:11.90

100 Y Free

57.67

AAA: 55.79 (+1.88s | 3.3%)

50 Free

27.63

100 Free

30.04

57.67

100 Free

57.67

500 Y Free

5:58.15

A: 5:53.39 (+4.76s | 1.3%)

50 Free

31.21

100 Free

34.41

1:05.62

100 Free

1:05.62

150 Free

36.38

1:42.00

200 Free

36.72

2:18.72

100 Free

1:13.10

250 Free

36.66

2:55.38

300 Free

36.37

3:31.75

100 Free

1:13.03

350 Free

36.92

4:08.67

400 Free

36.91

4:45.58

100 Free

1:13.83

450 Free

37.21

5:22.79

500 Free

35.36

5:58.15

100 Free

1:12.57

2022 HOKI November Invitational

11/11/2022

Christiansburg

50 Y Back

31.09

AAA: 30.49 (+0.60s | 1.9%)

200 Y Breast

3:01.66

A: 2:56.29 (+5.37s | 3.0%)

50 Breast

39.73

100 Breast

45.66

1:25.39

100 Breast

1:25.39

150 Breast

47.73

2:13.12

200 Breast

48.54

3:01.66

100 Breast

1:36.27

50 Y Free

27.34

AAA: 26.99 (+0.35s | 1.3%)

200 Y IM

2:34.31

AA: 2:30.99 (+3.32s | 2.2%)

50 Fly

31.77

100 Back

39.09

1:10.86

100 IM

1:10.86

150 Breast

45.74

1:56.60

200 Free

37.71

2:34.31

100 IM

1:23.45

200 Y Back

2:29.59

AA: 2:27.49 (+2.10s | 1.4%)

50 Back

34.60

100 Back

38.54

1:13.14

100 Back

1:13.14

150 Back

38.72

1:51.86

200 Back

37.73

2:29.59

100 Back

1:16.45

200 Y Free

2:16.36

AA: 2:13.49 (+2.87s | 2.1%)

50 Free

29.41

100 Free

33.88

1:03.29

100 Free

1:03.29

150 Free

35.44

1:38.73

200 Free

37.63

2:16.36

100 Free

1:13.07

100 Y Breast

1:21.42

AA: 1:18.59 (+2.83s | 3.5%)

50 Breast

38.84

100 Breast

42.58

1:21.42

100 Breast

1:21.42

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	27.34	24.89 (+2.45s \| 9.0%)	23.89 (+3.45s \| 12.6%)	23.89 (+3.45s \| 12.6%)	23.29 (+4.05s \| 14.8%)	22.59 (+4.75s \| 17.4%)	22.79 (+4.55s \| 16.6%)
Free 100 Y	57.67	53.99 (+3.68s \| 6.4%)	51.89 (+5.78s \| 10.0%)	51.89 (+5.78s \| 10.0%)	50.39 (+7.28s \| 12.6%)	49.29 (+8.38s \| 14.5%)	49.69 (+7.98s \| 13.8%)
Free 200 Y	2:16.36	1:56.29 (+20.07s \| 14.7%)	1:52.89 (+23.47s \| 17.2%)	1:52.29 (+24.07s \| 17.7%)	1:49.09 (+27.27s \| 20.0%)	1:46.69 (+29.67s \| 21.8%)	1:47.39 (+28.97s \| 21.2%)
Free 500 Y	5:58.15	5:10.69 (+47.46s \| 13.3%)	5:02.59 (+55.56s \| 15.5%)	5:02.59 (+55.56s \| 15.5%)	4:53.09 (+65.06s \| 18.2%)	4:45.99 (+72.16s \| 20.1%)	4:48.09 (+70.06s \| 19.6%)
Back 100 Y	1:04.40	59.49 (+4.91s \| 7.6%)	57.09 (+7.31s \| 11.4%)	57.09 (+7.31s \| 11.4%)	55.09 (+9.31s \| 14.5%)	53.89 (+10.51s \| 16.3%)	54.49 (+9.91s \| 15.4%)
Back 200 Y	2:22.44	2:08.59 (+13.85s \| 9.7%)	2:04.19 (+18.25s \| 12.8%)	2:04.19 (+18.25s \| 12.8%)	1:59.39 (+23.05s \| 16.2%)	1:56.59 (+25.85s \| 18.1%)	1:57.69 (+24.75s \| 17.4%)
Breast 100 Y	1:21.42	1:07.59 (+13.83s \| 17.0%)	1:05.49 (+15.93s \| 19.6%)	1:05.49 (+15.93s \| 19.6%)	1:03.09 (+18.33s \| 22.5%)	1:01.79 (+19.63s \| 24.1%)	1:02.79 (+18.63s \| 22.9%)
Breast 200 Y	3:01.66	2:28.19 (+33.47s \| 18.4%)	2:22.69 (+38.97s \| 21.5%)	2:22.69 (+38.97s \| 21.5%)	2:17.19 (+44.47s \| 24.5%)	2:13.59 (+48.07s \| 26.5%)	2:15.49 (+46.17s \| 25.4%)
Fly 100 Y	1:08.23	59.19 (+9.04s \| 13.2%)	56.59 (+11.64s \| 17.1%)	56.59 (+11.64s \| 17.1%)	54.69 (+13.54s \| 19.8%)	53.49 (+14.74s \| 21.6%)	53.99 (+14.24s \| 20.9%)
IM 200 Y	2:27.44	2:10.49 (+16.95s \| 11.5%)	2:06.39 (+21.05s \| 14.3%)	2:06.39 (+21.05s \| 14.3%)	2:02.19 (+25.25s \| 17.1%)	1:59.49 (+27.95s \| 19.0%)	2:00.59 (+26.85s \| 18.2%)
IM 400 Y	5:11.33	4:39.09 (+32.24s \| 10.4%)	4:30.69 (+40.64s \| 13.1%)	4:30.69 (+40.64s \| 13.1%)	4:21.69 (+49.64s \| 15.9%)	4:13.69 (+57.64s \| 18.5%)	4:15.19 (+56.14s \| 18.0%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	28.60	28.69	27.39 (+1.21s \| 4.2%)	27.39 (+1.21s \| 4.2%)	26.89 (+1.71s \| 6.0%)	26.29 (+2.31s \| 8.1%)	26.59 (+2.01s \| 7.0%)
Free 100 M	1:01.95	1:01.89 (+0.06s \| 0.1%)	59.29 (+2.66s \| 4.3%)	59.29 (+2.66s \| 4.3%)	58.19 (+3.76s \| 6.1%)	56.99 (+4.96s \| 8.0%)	57.59 (+4.36s \| 7.0%)
Back 100 M	1:11.19	1:09.49 (+1.70s \| 2.4%)	1:06.79 (+4.40s \| 6.2%)	1:06.79 (+4.40s \| 6.2%)	1:04.79 (+6.40s \| 9.0%)	1:03.69 (+7.50s \| 10.5%)	1:04.39 (+6.80s \| 9.6%)
Breast 100 M	1:31.59	1:18.79 (+12.80s \| 14.0%)	1:15.99 (+15.60s \| 17.0%)	1:15.99 (+15.60s \| 17.0%)	1:13.79 (+17.80s \| 19.4%)	1:12.19 (+19.40s \| 21.2%)	1:13.29 (+18.30s \| 20.0%)
Breast 200 M	3:02.83	2:49.69 (+13.14s \| 7.2%)	2:43.39 (+19.44s \| 10.6%)	2:43.39 (+19.44s \| 10.6%)	2:38.59 (+24.24s \| 13.3%)	2:36.09 (+26.74s \| 14.6%)	2:38.29 (+24.54s \| 13.4%)
Fly 100 M	1:25.18	1:07.19 (+17.99s \| 21.1%)	1:04.69 (+20.49s \| 24.1%)	1:04.69 (+20.49s \| 24.1%)	1:02.69 (+22.49s \| 26.4%)	1:01.69 (+23.49s \| 27.6%)	1:02.39 (+22.79s \| 26.8%)
IM 200 M	2:36.14	2:31.09 (+5.05s \| 3.2%)	2:26.19 (+9.95s \| 6.4%)	2:26.19 (+9.95s \| 6.4%)	2:22.09 (+14.05s \| 9.0%)	2:19.49 (+16.65s \| 10.7%)	2:20.99 (+15.15s \| 9.7%)