Seojun Lee

Mage 13GUSTNTRO

193 plausible swims · 29 meets · 2024-02-10 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.90	AA+0.51s to AAA	2026-01-17	2026 ST NTRO Winter Prelim Final Invite venue
100 Freestyle	SCY	54.38	AA+1.29s to AAA	2025-12-13	2025 ST AAAA NS Winter Wonderland fast pool
200 Freestyle	SCY	1:59.96	AA+3.87s to AAA	2025-12-14	2025 ST AAAA NS Winter Wonderland fast pool
500 Freestyle	SCY	5:24.66	AA+11.37s to AAA	2025-12-13	2025 ST AAAA NS Winter Wonderland fast pool
1000 Freestyle	SCY	11:34.49	A+16.90s to AA	2025-11-23	2025 ST NTRO November Invite venue
50 Backstroke	SCY	28.94	AA+1.05s to AAA	2025-12-14	2025 ST AAAA NS Winter Wonderland fast pool
100 Backstroke	SCY	1:04.57	BB+0.78s to A	2025-11-09	2025 ST TXLA 11&O November Unclassified Invit venue
200 Backstroke	SCY	2:17.00	A+3.81s to AA	2025-11-08	2025 ST TXLA 11&O November Unclassified Invit venue
50 Breaststroke	SCY	32.99	AA+1.20s to AAA	2025-11-08	2025 ST TXLA 11&O November Unclassified Invit venue
100 Breaststroke	SCY	1:10.39	A+1.10s to AA	2026-02-20	2026 ST AAAA SC STAGS fast pool
200 Breaststroke	SCY	2:31.33	A+1.04s to AA	2026-01-17	2026 ST NTRO Winter Prelim Final Invite venue
50 Butterfly	SCY	26.61	AAA+0.62s to AAAA	2026-01-18	2026 ST NTRO Winter Prelim Final Invite venue
100 Butterfly	SCY	1:01.17	A+0.58s to AA	2025-11-22	2025 ST NTRO November Invite venue
200 Butterfly	SCY	2:12.63	AA+2.74s to AAA	2026-01-18	2026 ST NTRO Winter Prelim Final Invite venue
100 Individual Medley	SCY	1:01.97		2026-01-17	2026 ST NTRO Winter Prelim Final Invite venue
200 Individual Medley	SCY	2:13.46	AA+4.07s to AAA	2026-01-18	2026 ST NTRO Winter Prelim Final Invite venue
400 Individual Medley	SCY	4:39.74	AA+2.55s to AAA	2026-02-20	2026 ST AAAA SC STAGS fast pool
50 Freestyle	LCM	27.71	AAA+0.92s to AAAA	2026-06-14	2026 ST NIST George Block Invitational fast pool
100 Freestyle	LCM	1:00.33	AAA+1.64s to AAAA	2026-05-30	2026 ST NTRO LC May Splashdown venue
200 Freestyle	LCM	2:11.49	AAA+4.00s to AAAA	2026-06-13	2026 ST NIST George Block Invitational fast pool
400 Freestyle	LCM	4:47.99	AA+5.20s to AAA	2026-04-26	2026 ST TXLA 11&O Long Course Kick Off venue
800 Freestyle	LCM	9:54.21	AA+3.92s to AAA	2026-05-31	2026 ST NTRO LC May Splashdown venue
50 Backstroke	LCM	33.40	AA+1.01s to AAA	2026-05-30	2026 ST NTRO LC May Splashdown venue
100 Backstroke	LCM	1:11.38	AA+2.69s to AAA	2026-05-31	2026 ST NTRO LC May Splashdown venue
200 Backstroke	LCM	2:35.11	AA+6.02s to AAA	2026-05-16	2026 ST TXLA 11&O End of School Splash venue
50 Breaststroke	LCM	37.77	A+0.08s to AA	2026-04-26	2026 ST TXLA 11&O Long Course Kick Off venue
100 Breaststroke	LCM	1:24.66	BB+1.37s to A	2026-05-31	2026 ST NTRO LC May Splashdown venue
200 Breaststroke	LCM	3:13.32	BB+10.43s to A	2025-05-11	2025 ST NTRO LC Springing into May venue
50 Butterfly	LCM	30.16	AAA+0.87s to AAAA	2026-05-17	2026 ST TXLA 11&O End of School Splash venue
100 Butterfly	LCM	1:05.48	AAA+2.39s to AAAA	2026-06-12	2026 ST NIST George Block Invitational fast pool
200 Butterfly	LCM	2:31.92	AA+3.43s to AAA	2026-06-13	2026 ST NIST George Block Invitational fast pool
200 Individual Medley	LCM	2:28.93	AAA+6.14s to AAAA	2026-06-14	2026 ST NIST George Block Invitational fast pool
400 Individual Medley	LCM	5:21.31	AA+1.72s to AAA	2026-06-11	2026 ST NIST George Block Invitational fast pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.

IMX / IMR

IMX 13-14 · LCM

4147 points (6/6 events)

Event	Time	Points
400 FR LCM	4:47.99	746
200 BK LCM	2:35.11	678
200 BR LCM	3:13.32	486
200 FL LCM	2:31.92	698
200 IM LCM	2:28.93	781
400 IM LCM	5:21.31	758

IMR 13-14 · LCM

3631 points (5/5 events)

Event	Time	Points
200 FR LCM	2:11.49	818
100 BK LCM	1:11.38	680
100 BR LCM	1:24.66	572
100 FL LCM	1:05.48	780
200 IM LCM	2:28.93	781

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 54.38

26.03

28.35

Front half 26.03s · back half 28.35s

200 Freestyle SCY 1:59.96

27.64

30.02

31.01

31.29

Front half 57.66s · back half 62.30s

500 Freestyle SCY 5:24.66

28.02

30.98

32.88

32.64

33.23

33.43

34.26

33.38

33.68

32.16

Front half 157.75s · back half 166.91s

1000 Freestyle SCY 11:34.49

30.03

33.18

33.40

34.44

35.39

34.49

35.28

35.20

35.70

35.09

35.11

35.59

35.56

35.81

35.68

35.98

35.97

35.74

34.99

31.86

Front half 342.20s · back half 352.29s

100 Backstroke SCY 1:04.57

31.32

33.25

Front half 31.32s · back half 33.25s

200 Backstroke SCY 2:17.00

31.33

33.88

35.96

35.83

Front half 65.21s · back half 71.79s

100 Breaststroke SCY 1:10.39

33.59

36.80

Front half 33.59s · back half 36.80s

200 Breaststroke SCY 2:31.33

33.53

37.96

39.51

40.33

Front half 71.49s · back half 79.84s

100 Butterfly SCY 1:01.17

28.19

32.98

Front half 28.19s · back half 32.98s

200 Butterfly SCY 2:12.63

29.82

34.41

33.45

34.95

Front half 64.23s · back half 68.40s

100 Individual Medley SCY 1:01.97

28.20

33.77

Front half 28.20s · back half 33.77s

200 Individual Medley SCY 2:13.46

28.17

35.26

39.33

30.70

Front half 63.43s · back half 70.03s

400 Individual Medley SCY 4:39.74

29.57

34.27

35.35

35.96

40.63

41.34

31.74

30.88

Front half 135.15s · back half 144.59s

100 Freestyle LCM 1:00.33

28.89

31.44

Front half 28.89s · back half 31.44s

200 Freestyle LCM 2:11.49

30.52

33.25

33.81

33.91

Front half 63.77s · back half 67.72s

400 Freestyle LCM 4:47.99

30.67

35.25

35.88

37.40

37.42

37.61

37.18

36.58

Front half 139.20s · back half 148.79s

800 Freestyle LCM 9:54.21 · 450.0 min after 100 Breaststroke

32.59

36.01

36.68

37.16

37.57

38.17

37.01

38.25

36.98

38.66

37.22

39.67

37.63

38.56

36.75

35.30

Front half 293.44s · back half 300.77s

100 Backstroke LCM 1:11.38

35.13

36.25

Front half 35.13s · back half 36.25s

200 Backstroke LCM 2:35.11

77.89

77.22

Front half 77.89s · back half 77.22s

100 Breaststroke LCM 1:24.66

40.50

44.16

Front half 40.50s · back half 44.16s

200 Breaststroke LCM 3:13.32

44.28

50.20

49.63

49.21

Front half 94.48s · back half 98.84s

100 Butterfly LCM 1:05.48

29.98

35.50

Front half 29.98s · back half 35.50s

200 Butterfly LCM 2:31.92

34.43

38.43

38.48

40.58

Front half 72.86s · back half 79.06s

200 Individual Medley LCM 2:28.93

30.67

40.04

43.90

34.32

Front half 70.71s · back half 78.22s

400 Individual Medley LCM 5:21.31

32.72

38.11

42.52

42.74

44.66

46.18

37.12

37.26

Front half 156.09s · back half 165.22s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 24.90 12 swims

100 Freestyle SCY 54.38 10 swims

200 Freestyle SCY 1:59.96 7 swims

500 Freestyle SCY 5:24.66 3 swims

1000 Freestyle SCY 11:34.49 1 swim

50 Backstroke SCY 28.94 9 swims

100 Backstroke SCY 1:04.57 5 swims

200 Backstroke SCY 2:17.00 2 swims

50 Breaststroke SCY 32.99 8 swims

100 Breaststroke SCY 1:10.39 8 swims

200 Breaststroke SCY 2:31.33 4 swims

50 Butterfly SCY 26.61 11 swims

100 Butterfly SCY 1:01.17 9 swims

200 Butterfly SCY 2:12.63 4 swims

100 Individual Medley SCY 1:01.97 6 swims

200 Individual Medley SCY 2:13.46 9 swims

400 Individual Medley SCY 4:39.74 3 swims

50 Freestyle LCM 27.71 10 swims

100 Freestyle LCM 1:00.33 5 swims

200 Freestyle LCM 2:11.49 8 swims

400 Freestyle LCM 4:47.99 4 swims

800 Freestyle LCM 9:54.21 1 swim

50 Backstroke LCM 33.40 4 swims

100 Backstroke LCM 1:11.38 2 swims

200 Backstroke LCM 2:35.11 6 swims

50 Breaststroke LCM 37.77 4 swims

100 Breaststroke LCM 1:24.66 1 swim

200 Breaststroke LCM 3:13.32 1 swim

50 Butterfly LCM 30.16 6 swims

100 Butterfly LCM 1:05.48 10 swims

200 Butterfly LCM 2:31.92 7 swims

200 Individual Medley LCM 2:28.93 10 swims

400 Individual Medley LCM 5:21.31 3 swims