Yejun Seo

Age: 19 years old
Age Category: 19 and above
Team: Fast Swim Team | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Fast Swim Team

Free 50 Y

24.19

06/19/2021

865

Free 100 Y

52.65

06/19/2021

886

50 Free

25.69

100 Free

26.96

52.65

100 Free

52.65

Free 200 Y

1:51.68

12/10/2021

628

50 Free

26.35

100 Free

28.01

54.36

100 Free

54.36

150 Free

28.66

1:23.02

200 Free

28.66

1:51.68

100 Free

57.32

Free 500 Y

4:57.15

12/09/2023

341

50 Free

26.81

100 Free

28.87

55.68

100 Free

55.68

150 Free

29.40

1:25.08

200 Free

29.88

1:54.96

100 Free

59.28

250 Free

30.14

2:25.10

300 Free

30.53

2:55.63

100 Free

1:00.67

350 Free

30.82

3:26.45

400 Free

30.93

3:57.38

100 Free

1:01.75

450 Free

30.47

4:27.85

500 Free

29.30

4:57.15

100 Free

59.77

Fly 100 Y

51.91

12/14/2023

211

50 Fly

24.28

100 Fly

27.63

51.91

100 Fly

51.91

Fly 200 Y

1:57.32

11/02/2023

183

50 Fly

27.06

100 Fly

29.83

56.89

100 Fly

56.89

150 Fly

30.68

1:27.57

200 Fly

29.75

1:57.32

100 Fly

1:00.43

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Fast Swim Team

Free 50 M

27.82

07/22/2021

868

Free 100 M

1:01.10

07/22/2021

891

50 Free

29.24

100 Free

31.86

1:01.10

100 Free

1:01.10

Free 200 M

2:08.43

07/22/2021

650

50 Free

29.80

100 Free

33.11

1:02.91

100 Free

1:02.91

150 Free

33.05

1:35.96

200 Free

32.47

2:08.43

100 Free

1:05.52

Free 400 M

4:31.73

07/22/2021

391

50 Free

30.93

100 Free

33.42

1:04.35

100 Free

1:04.35

150 Free

34.61

1:38.96

200 Free

35.14

2:14.10

100 Free

1:09.75

250 Free

35.17

2:49.27

300 Free

34.47

3:23.74

100 Free

1:09.64

350 Free

34.50

3:58.24

400 Free

33.49

4:31.73

100 Free

1:07.99

Fly 100 M

59.68

07/20/2023

305

50 Fly

28.11

100 Fly

31.57

59.68

100 Fly

59.68

Fly 200 M

2:14.99

07/13/2023

198

50 Fly

31.30

100 Fly

34.09

1:05.39

100 Fly

1:05.39

150 Fly

34.36

1:39.75

200 Fly

35.24

2:14.99

100 Fly

1:09.60

Above are the fastest times that Yejun Seo has achieved in his swimming career. For each event, you can find Yejun's best time, the corresponding time standard, as well as how much faster Yejun needs to be to reach the next level. The last columns provide Yejun rankings at the team and LSC levels. These rankings are based on the Yejun'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	24.19	22.19 (+2.00s \| 8.3%)	21.29 (+2.90s \| 12.0%)	20.89 (+3.30s \| 13.6%)	20.59 (+3.60s \| 14.9%)	20.09 (+4.10s \| 16.9%)	19.79 (+4.40s \| 18.2%)
Free 100 Y	52.65	48.19 (+4.46s \| 8.5%)	46.39 (+6.26s \| 11.9%)	45.59 (+7.06s \| 13.4%)	45.09 (+7.56s \| 14.4%)	43.49 (+9.16s \| 17.4%)	43.99 (+8.66s \| 16.4%)
Free 200 Y	1:51.68	1:45.79 (+5.89s \| 5.3%)	1:41.59 (+10.09s \| 9.0%)	1:40.29 (+11.39s \| 10.2%)	1:38.79 (+12.89s \| 11.5%)	1:36.49 (+15.19s \| 13.6%)	1:35.59 (+16.09s \| 14.4%)
Free 500 Y	4:57.15	4:47.79 (+9.36s \| 3.1%)	4:37.09 (+20.06s \| 6.8%)	4:36.19 (+20.96s \| 7.1%)	4:29.49 (+27.66s \| 9.3%)	4:22.09 (+35.06s \| 11.8%)	4:19.39 (+37.76s \| 12.7%)
Fly 100 Y	51.91	52.89	50.59 (+1.32s \| 2.5%)	49.79 (+2.12s \| 4.1%)	48.99 (+2.92s \| 5.6%)	47.79 (+4.12s \| 7.9%)	47.19 (+4.72s \| 9.1%)
Fly 200 Y	1:57.32	1:58.89	1:53.69 (+3.63s \| 3.1%)	1:52.79 (+4.53s \| 3.9%)	1:49.59 (+7.73s \| 6.6%)	1:45.99 (+11.33s \| 9.7%)	1:45.09 (+12.23s \| 10.4%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	27.82	25.89 (+1.93s \| 6.9%)	24.59 (+3.23s \| 11.6%)	24.29 (+3.53s \| 12.7%)	24.29 (+3.53s \| 12.7%)	23.39 (+4.43s \| 15.9%)	23.09 (+4.73s \| 17.0%)
Free 100 M	1:01.10	56.09 (+5.01s \| 8.2%)	53.59 (+7.51s \| 12.3%)	53.09 (+8.01s \| 13.1%)	52.59 (+8.51s \| 13.9%)	50.99 (+10.11s \| 16.5%)	50.49 (+10.61s \| 17.4%)
Free 200 M	2:08.43	2:03.09 (+5.34s \| 4.2%)	1:57.79 (+10.64s \| 8.3%)	1:56.99 (+11.44s \| 8.9%)	1:55.49 (+12.94s \| 10.1%)	1:52.19 (+16.24s \| 12.6%)	1:51.29 (+17.14s \| 13.3%)
Free 400 M	4:31.73	4:21.09 (+10.64s \| 3.9%)	4:09.99 (+21.74s \| 8.0%)	4:09.99 (+21.74s \| 8.0%)	4:05.29 (+26.44s \| 9.7%)	3:59.29 (+32.44s \| 11.9%)	3:57.79 (+33.94s \| 12.5%)
Fly 100 M	59.68	1:00.89	57.99 (+1.69s \| 2.8%)	57.49 (+2.19s \| 3.7%)	57.09 (+2.59s \| 4.3%)	55.09 (+4.59s \| 7.7%)	54.39 (+5.29s \| 8.9%)
Fly 200 M	2:14.99	2:15.89	2:10.19 (+4.80s \| 3.6%)	2:10.19 (+4.80s \| 3.6%)	2:06.39 (+8.60s \| 6.4%)	2:02.79 (+12.20s \| 9.0%)	2:01.69 (+13.30s \| 9.9%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2024 CA NV Speedo Sectional

02/29/2024

Carlsbad

200 M Fly

2:18.60

+3.61s

AA: 2:17.19 (+1.41s | 1.0%)

50 Fly

30.82

100 Fly

35.20

1:06.02

100 Fly

1:06.02

150 Fly

35.91

1:41.93

200 Fly

36.67

2:18.60

100 Fly

1:12.58

100 M Fly

1:00.57

+0.89s

AAA: 58.69 (+1.88s | 3.1%)

50 Fly

28.09

100 Fly

32.48

1:00.57

100 Fly

1:00.57

2023 CA Dec CA NV Speedo Sectionals At GWSC

12/14/2023

Huntington Beach

200 Y Fly

1:59.63

+2.31s

AAA: 1:55.09 (+4.54s | 3.8%)

50 Fly

26.34

100 Fly

30.28

56.62

100 Fly

56.62

150 Fly

30.84

1:27.46

200 Fly

32.17

1:59.63

100 Fly

1:03.01

100 Y Fly

51.91

-0.84s (New PB)

AAA: 51.39 (+0.52s | 1.0%)

50 Fly

24.28

100 Fly

27.63

51.91

100 Fly

51.91

2023 CA GWSC SCS WAG

12/09/2023

Huntington Beach

500 Y Free

4:57.15

-4.56s (New PB)

AAA: 4:45.39 (+11.76s | 4.0%)

50 Free

26.81

100 Free

28.87

55.68

100 Free

55.68

150 Free

29.40

1:25.08

200 Free

29.88

1:54.96

100 Free

59.28

250 Free

30.14

2:25.10

300 Free

30.53

2:55.63

100 Free

1:00.67

350 Free

30.82

3:26.45

400 Free

30.93

3:57.38

100 Free

1:01.75

450 Free

30.47

4:27.85

500 Free

29.30

4:57.15

100 Free

59.77

2023 CA Kevin B Perry Senior Meet @ RMDA V1

11/02/2023

La Mirada

100 Y Fly

52.75

-1.83s (New PB)

AAA: 51.39 (+1.36s | 2.6%)

50 Fly

24.69

100 Fly

28.06

52.75

100 Fly

52.75

200 Y Fly

1:57.32

-2.05s (New PB)

AAA: 1:55.09 (+2.23s | 1.9%)

50 Fly

27.06

100 Fly

29.83

56.89

100 Fly

56.89

150 Fly

30.68

1:27.57

200 Fly

29.75

1:57.32

100 Fly

1:00.43

2023 CA SCS RAA Summer A G Champs

07/20/2023

Riverside

100 M Fly

59.68

-0.53s (New PB)

AAA

AAAA: 57.59 (+2.09s | 3.5%)

50 Fly

28.11

100 Fly

31.57

59.68

100 Fly

59.68

200 M Fly

2:16.13

+1.14s

AAA: 2:14.89 (+1.24s | 0.9%)

50 Fly

31.12

100 Fly

34.83

1:05.95

100 Fly

1:05.95

150 Fly

36.15

1:42.10

200 Fly

34.02

2:16.12

100 Fly

1:10.17

2023 CA NV Speedo Sectional

07/13/2023

Fullerton

100 M Fly

1:00.21

-1.23s (New PB)

AAA

AAAA: 57.59 (+2.62s | 4.4%)

50 Fly

28.47

100 Fly

31.74

1:00.21

100 Fly

1:00.21

200 M Fly

2:16.05

-2.89s (New PB)

AAA: 2:14.89 (+1.16s | 0.9%)

50 Fly

31.49

100 Fly

34.63

1:06.12

100 Fly

1:06.12

150 Fly

35.09

1:41.21

200 Fly

34.84

2:16.05

100 Fly

1:09.93

Time Tials 2023 CA NV Speedo Sectional

07/13/2023

Fullerton

200 M Fly

2:14.99

-1.06s (New PB)

AAA: 2:14.89 (+0.10s | 0.1%)

50 Fly

31.30

100 Fly

34.09

1:05.39

100 Fly

1:05.39

150 Fly

34.36

1:39.75

200 Fly

35.24

2:14.99

100 Fly

1:09.60

Carlsbad 2023 CA NV Speedo Sectionals

03/02/2023

Carlsbad

200 Y Fly

1:59.37

-0.51s (New PB)

AAA: 1:58.09 (+1.28s | 1.1%)

50 Fly

27.18

100 Fly

31.07

58.25

100 Fly

58.25

150 Fly

30.67

1:28.92

200 Fly

30.45

1:59.37

100 Fly

1:01.12

2022 CA SCS OTTR WAG Championships

12/09/2022

Palm Springs

100 Y Fly

54.58

-0.07s (New PB)

AAA: 52.79 (+1.79s | 3.3%)

50 Fly

25.38

100 Fly

29.20

54.58

100 Fly

54.58

200 Y Fly

1:59.94

+0.06s

AAA: 1:58.09 (+1.85s | 1.5%)

50 Fly

27.74

100 Fly

30.85

58.59

100 Fly

58.59

150 Fly

30.32

1:28.91

200 Fly

31.03

1:59.94

100 Fly

1:01.35

2022 Kevin B Perry Senior Meet @ RMDA

11/03/2022

La Mirada

200 Y Free

1:54.70

+3.02s

AA: 1:51.79 (+2.91s | 2.5%)

50 Free

26.84

100 Free

28.86

55.70

100 Free

55.70

150 Free

29.35

1:25.05

200 Free

29.65

1:54.70

100 Free

59.00

200 Y Fly

1:59.88

-5.70s (New PB)

AAA: 1:58.09 (+1.79s | 1.5%)

50 Fly

27.29

100 Fly

30.67

57.96

100 Fly

57.96

150 Fly

30.34

1:28.30

200 Fly

31.58

1:59.88

100 Fly

1:01.92

100 Y Fly

54.65

-1.49s (New PB)

AAA: 52.79 (+1.86s | 3.4%)

50 Fly

54.64

100 Fly

0.01

54.65

100 Fly

54.65

2022 CA SCS MVN Summer JO S

07/21/2022

Mission Viejo

100 M Fly

1:01.44

-2.51s (New PB)

AAA: 1:00.29 (+1.15s | 1.9%)

200 M Fly

2:20.45

+1.51s

AAA: 2:14.89 (+5.56s | 4.0%)

100 Fly

1:09.33

100 Fly

1:09.33

200 Fly

1:11.12

2:20.45

100 Fly

1:11.12

200 M Free

2:08.55

+0.12s

AAA: 2:03.09 (+5.46s | 4.2%)

100 Free

1:02.55

100 Free

1:02.55

200 Free

1:06.00

2:08.55

100 Free

1:06.00

200 M Fly

2:18.94

-3.92s (New PB)

AAA: 2:14.89 (+4.05s | 2.9%)

50 Fly

32.36

100 Fly

35.84

1:08.20

100 Fly

1:08.20

150 Fly

35.54

1:43.74

200 Fly

35.20

2:18.94

100 Fly

1:10.74

2022 CA La Mirada JAG

06/17/2022

La Mirada

200 M Fly

2:26.26

+3.40s

AA: 2:21.09 (+5.17s | 3.5%)

50 Fly

31.47

100 Fly

34.24

1:05.71

100 Fly

1:05.71

150 Fly

36.31

1:42.02

200 Fly

44.24

2:26.26

100 Fly

1:20.55

2021 CA GWSC SCS WAG

12/10/2021

Huntington Beach

200 Y Free

1:51.68

-0.14s (New PB)

AAA: 1:46.89 (+4.79s | 4.3%)

50 Free

26.35

100 Free

28.01

54.36

100 Free

54.36

150 Free

28.66

1:23.02

200 Free

28.66

1:51.68

100 Free

57.32

100 Y Fly

56.14

-0.07s (New PB)

AA: 55.19 (+0.95s | 1.7%)

50 Fly

26.48

100 Fly

29.66

56.14

100 Fly

56.14

2021 CA RAA Summer JO S

07/22/2021

Riverside

200 M Free

2:08.43

AAA

AAAA: 2:02.99 (+5.44s | 4.2%)

50 Free

29.80

100 Free

33.11

1:02.91

100 Free

1:02.91

150 Free

33.05

1:35.96

200 Free

32.47

2:08.43

100 Free

1:05.52

200 M Fly

2:22.86

AAA: 2:21.19 (+1.67s | 1.2%)

50 Fly

31.30

100 Fly

36.75

1:08.05

100 Fly

1:08.05

150 Fly

37.38

1:45.43

200 Fly

37.43

2:22.86

100 Fly

1:14.81

100 M Free

1:01.10

AAA: 58.99 (+2.11s | 3.5%)

50 Free

29.24

100 Free

31.86

1:01.10

100 Free

1:01.10

50 M Free

27.82

AAA: 26.89 (+0.93s | 3.3%)

100 M Fly

1:03.95

AAA: 1:03.09 (+0.86s | 1.3%)

50 Fly

30.15

100 Fly

33.80

1:03.95

100 Fly

1:03.95

400 M Free

4:31.73

AAA

AAAA: 4:21.29 (+10.44s | 3.8%)

50 Free

30.93

100 Free

33.42

1:04.35

100 Free

1:04.35

150 Free

34.61

1:38.96

200 Free

35.14

2:14.10

100 Free

1:09.75

250 Free

35.17

2:49.27

300 Free

34.47

3:23.74

100 Free

1:09.64

350 Free

34.50

3:58.24

400 Free

33.49

4:31.73

100 Free

1:07.99

2021 Summer Invite

06/19/2021

La Mirada

200 Y Free

1:51.82

AAA

AAAA: 1:46.89 (+4.93s | 4.4%)

50 Free

25.71

100 Free

28.21

53.92

100 Free

53.92

150 Free

29.06

1:22.98

200 Free

28.84

1:51.82

100 Free

57.90

100 Y Fly

56.21

AAA: 55.39 (+0.82s | 1.5%)

50 Fly

26.68

100 Fly

29.53

56.21

100 Fly

56.21

200 Y Fly

2:05.58

AAA: 2:03.19 (+2.39s | 1.9%)

50 Fly

29.36

100 Fly

31.23

1:00.59

100 Fly

1:00.59

150 Fly

32.54

1:33.13

200 Fly

32.45

2:05.58

100 Fly

1:04.99

100 Y Free

52.65

AAA: 51.09 (+1.56s | 3.0%)

50 Free

25.69

100 Free

26.96

52.65

100 Free

52.65

50 Y Free

24.19

AAA: 23.49 (+0.70s | 2.9%)

500 Y Free

5:01.71

AAA

AAAA: 4:49.29 (+12.42s | 4.1%)

50 Free

27.37

100 Free

30.87

58.24

100 Free

58.24

150 Free

31.53

1:29.77

200 Free

30.10

1:59.87

100 Free

1:01.63

250 Free

30.51

2:30.38

300 Free

31.15

3:01.53

100 Free

1:01.66

350 Free

30.18

3:31.71

400 Free

30.19

4:01.90

100 Free

1:00.37

450 Free

30.23

4:32.13

500 Free

29.58

5:01.71

100 Free

59.81

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	24.19	22.19 (+2.00s \| 8.3%)	21.29 (+2.90s \| 12.0%)	20.89 (+3.30s \| 13.6%)	20.59 (+3.60s \| 14.9%)	20.09 (+4.10s \| 16.9%)	19.79 (+4.40s \| 18.2%)
Free 100 Y	52.65	48.19 (+4.46s \| 8.5%)	46.39 (+6.26s \| 11.9%)	45.59 (+7.06s \| 13.4%)	45.09 (+7.56s \| 14.4%)	43.49 (+9.16s \| 17.4%)	43.99 (+8.66s \| 16.4%)
Free 200 Y	1:51.68	1:45.79 (+5.89s \| 5.3%)	1:41.59 (+10.09s \| 9.0%)	1:40.29 (+11.39s \| 10.2%)	1:38.79 (+12.89s \| 11.5%)	1:36.49 (+15.19s \| 13.6%)	1:35.59 (+16.09s \| 14.4%)
Free 500 Y	4:57.15	4:47.79 (+9.36s \| 3.1%)	4:37.09 (+20.06s \| 6.8%)	4:36.19 (+20.96s \| 7.1%)	4:29.49 (+27.66s \| 9.3%)	4:22.09 (+35.06s \| 11.8%)	4:19.39 (+37.76s \| 12.7%)
Fly 100 Y	51.91	52.89	50.59 (+1.32s \| 2.5%)	49.79 (+2.12s \| 4.1%)	48.99 (+2.92s \| 5.6%)	47.79 (+4.12s \| 7.9%)	47.19 (+4.72s \| 9.1%)
Fly 200 Y	1:57.32	1:58.89	1:53.69 (+3.63s \| 3.1%)	1:52.79 (+4.53s \| 3.9%)	1:49.59 (+7.73s \| 6.6%)	1:45.99 (+11.33s \| 9.7%)	1:45.09 (+12.23s \| 10.4%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	27.82	25.89 (+1.93s \| 6.9%)	24.59 (+3.23s \| 11.6%)	24.29 (+3.53s \| 12.7%)	24.29 (+3.53s \| 12.7%)	23.39 (+4.43s \| 15.9%)	23.09 (+4.73s \| 17.0%)
Free 100 M	1:01.10	56.09 (+5.01s \| 8.2%)	53.59 (+7.51s \| 12.3%)	53.09 (+8.01s \| 13.1%)	52.59 (+8.51s \| 13.9%)	50.99 (+10.11s \| 16.5%)	50.49 (+10.61s \| 17.4%)
Free 200 M	2:08.43	2:03.09 (+5.34s \| 4.2%)	1:57.79 (+10.64s \| 8.3%)	1:56.99 (+11.44s \| 8.9%)	1:55.49 (+12.94s \| 10.1%)	1:52.19 (+16.24s \| 12.6%)	1:51.29 (+17.14s \| 13.3%)
Free 400 M	4:31.73	4:21.09 (+10.64s \| 3.9%)	4:09.99 (+21.74s \| 8.0%)	4:09.99 (+21.74s \| 8.0%)	4:05.29 (+26.44s \| 9.7%)	3:59.29 (+32.44s \| 11.9%)	3:57.79 (+33.94s \| 12.5%)
Fly 100 M	59.68	1:00.89	57.99 (+1.69s \| 2.8%)	57.49 (+2.19s \| 3.7%)	57.09 (+2.59s \| 4.3%)	55.09 (+4.59s \| 7.7%)	54.39 (+5.29s \| 8.9%)
Fly 200 M	2:14.99	2:15.89	2:10.19 (+4.80s \| 3.6%)	2:10.19 (+4.80s \| 3.6%)	2:06.39 (+8.60s \| 6.4%)	2:02.79 (+12.20s \| 9.0%)	2:01.69 (+13.30s \| 9.9%)