Justin Seo

Mage 14CAMSSTSPARUN-04

190 plausible swims · 36 meets · 2024-07-13 → 2026-06-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.74	AA+0.25s to AAA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Freestyle	SCY	51.62	AA+0.43s to AAA	2025-10-26	TORR Spooky Splash venue
200 Freestyle	SCY	1:57.00	AA+5.01s to AAA	2025-12-17	2025 CA SPAR Winter Kringle Meet venue
500 Freestyle	SCY	5:07.70	AA+4.41s to AAA	2025-11-22	2025 CANY Cranberry venue
100 Backstroke	SCY	55.01	AAA+1.52s to AAAA	2025-12-12	2025 CA SCS/RAA WAG venue
200 Backstroke	SCY	2:02.52	AA+0.53s to AAA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
50 Breaststroke	SCY	30.91	AA+0.62s to AAA	2025-09-27	2025 CA SPAR Spartan Sigma September Novice venue
100 Breaststroke	SCY	1:03.21	AAA+2.72s to AAAA	2025-12-12	2025 CA SCS/RAA WAG venue
200 Breaststroke	SCY	2:39.47	BB+9.18s to A	2024-10-19	2024 CA Lakewood Halloween Invite slow pool
100 Butterfly	SCY	54.45	AAA+1.56s to AAAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
200 Butterfly	SCY	2:06.50	AA+3.21s to AAA	2026-02-01	BCA Winter Heats venue
200 Individual Medley	SCY	2:05.93	AA+1.84s to AAA	2025-11-23	2025 CANY Cranberry venue
400 Individual Medley	SCY	4:36.52	AA+11.13s to AAA	2025-07-30	2025 CA SPARThe Dog Days of Summer Intrasquad venue
50 Freestyle	LCM	27.17	AA+0.28s to AAA	2025-07-26	2025 CA SCS Summer A/G Champs
100 Freestyle	LCM	58.69	AAA+2.30s to AAAA	2025-07-23	2025 CA SCS Summer A/G Champs
200 Freestyle	LCM	2:14.96	A+0.27s to AA	2025-06-01	CITI Summer Sizzler venue
400 Freestyle	LCM	4:52.45	A+4.96s to AA	2026-06-13	2026 SCS June AG Invite venue
100 Backstroke	LCM	1:04.83	AAA+2.04s to AAAA	2025-07-26	2025 CA SCS Summer A/G Champs
200 Backstroke	LCM	2:20.52	AAA+4.03s to AAAA	2026-06-13	2026 SCS June AG Invite venue
100 Breaststroke	LCM	1:13.79	AAA+3.30s to AAAA	2025-07-24	2025 CA SCS Summer A/G Champs
50 Butterfly	LCM	27.78	AAAA	2026-06-06	2026 BCA June LC Meet venue
100 Butterfly	LCM	1:00.98	AAA+0.69s to AAAA	2026-06-11	2026 SCS June AG Invite venue
200 Butterfly	LCM	2:18.51	AAA+3.42s to AAAA	2026-06-12	2026 SCS June AG Invite venue
200 Individual Medley	LCM	2:19.70	AAA+2.41s to AAAA	2026-06-12	2026 SCS June AG Invite venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.

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.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	23.81	flat	200 Free Relay	2025-12-12	2025 CA SCS/RAA WAG
50 Freestyle	SCY	23.71	flying	200 Free Relay (leg 4)	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop
100 Freestyle	SCY	53.00	flat	400 Free Relay	2025-03-14	2025 SCS Spring Age Group Champs @ Armada
100 Freestyle	SCY	50.64	flying	400 Free Relay (leg 4)	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop
200 Freestyle	SCY	2:03.48	flying	800 Free Relay (leg 4)	2024-12-13	2024 CA RAA/SCS WAG
50 Backstroke	SCY	26.20	flat	200 Medley Relay	2025-12-14	2025 CA SCS/RAA WAG
100 Backstroke	SCY	55.66	flat	400 Medley Relay	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop
50 Butterfly	SCY	25.79	flying	200 Medley Relay (leg 3)	2025-03-16	2025 SCS Spring Age Group Champs @ Armada
100 Butterfly	SCY	59.28	flying	400 Medley Relay (leg 3)	2025-03-15	2025 SCS Spring Age Group Champs @ Armada
50 Freestyle	LCM	27.24	flat	200 Free Relay	2025-07-24	2025 CA SCS Summer A/G Champs
50 Freestyle	LCM	25.84	flying	200 Free Relay (leg 4)	2026-06-11	2026 SCS June AG Invite
100 Freestyle	LCM	1:01.39	flat	400 Free Relay	2025-07-26	2025 CA SCS Summer A/G Champs
50 Backstroke	LCM	29.96	flat	200 Medley Relay	2025-07-24	2025 CA SCS Summer A/G Champs
50 Butterfly	LCM	27.39	flying	200 Medley Relay (leg 3)	2026-06-14	2026 SCS June AG Invite

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMX 13-14 · SCY

4639 points (6/6 events)

Event	Time	Points
500 FR SCY	5:07.70	831
200 BK SCY	2:02.52	848
200 BR SCY	2:39.47	556
200 FL SCY	2:06.50	803
200 IM SCY	2:05.93	833
400 IM SCY	4:36.52	768

IMR 13-14 · LCM

4441 points (5/5 events)

Event	Time	Points
200 FR LCM	2:14.96	756
100 BK LCM	1:04.83	908
100 BR LCM	1:13.79	864
100 FL LCM	1:00.98	966
200 IM LCM	2:19.70	947

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

PR splits

100 Freestyle SCY 51.62

24.75

26.87

Front half 24.75s · back half 26.87s

200 Freestyle SCY 1:57.00

26.01

29.67

30.46

30.86

Front half 55.68s · back half 61.32s

500 Freestyle SCY 5:07.70

26.92

30.12

30.77

31.32

31.36

31.67

31.56

32.26

31.61

30.11

Front half 150.49s · back half 157.21s

100 Backstroke SCY 55.01

26.36

28.65

Front half 26.36s · back half 28.65s

200 Backstroke SCY 2:02.52

27.51

30.75

32.15

32.11

Front half 58.26s · back half 64.26s

100 Breaststroke SCY 1:03.21

29.68

33.53

Front half 29.68s · back half 33.53s

200 Breaststroke SCY 2:39.47

36.38

41.33

41.63

40.13

Front half 77.71s · back half 81.76s

100 Butterfly SCY 54.45

24.78

29.67

Front half 24.78s · back half 29.67s

200 Butterfly SCY 2:06.50

28.53

32.20

32.97

32.80

Front half 60.73s · back half 65.77s

200 Individual Medley SCY 2:05.93

26.07

32.74

37.36

29.76

Front half 58.81s · back half 67.12s

400 Individual Medley SCY 4:36.52

28.20

33.49

35.78

35.88

39.97

39.79

31.99

31.42

Front half 133.35s · back half 143.17s

200 Freestyle LCM 2:14.96

63.93

71.03

Front half 63.93s · back half 71.03s

400 Freestyle LCM 4:52.45

31.52

35.92

37.98

37.84

35.88

38.57

36.54

38.20

Front half 143.26s · back half 149.19s

100 Backstroke LCM 1:04.83 RT 0.60s

30.98

33.85

Front half 30.98s · back half 33.85s

200 Backstroke LCM 2:20.52

33.01

36.10

35.78

35.63

Front half 69.11s · back half 71.41s

100 Butterfly LCM 1:00.98

28.30

32.68

Front half 28.30s · back half 32.68s

200 Butterfly LCM 2:18.51

30.50

35.75

36.51

Front half 66.25s · back half 72.26s

200 Individual Medley LCM 2:19.70

28.77

35.94

42.05

32.94

Front half 64.71s · back half 74.99s

Reaction time

fastest 0.60s average 0.644s slowest 0.81s 12 electronic starts

Start reaction over time faster starts higher

From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.

Progression

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

50 Freestyle SCY 23.74 15 swims

100 Freestyle SCY 51.62 10 swims

200 Freestyle SCY 1:57.00 5 swims

500 Freestyle SCY 5:07.70 9 swims

100 Backstroke SCY 55.01 23 swims

200 Backstroke SCY 2:02.52 12 swims

50 Breaststroke SCY 30.91 1 swim

100 Breaststroke SCY 1:03.21 10 swims

200 Breaststroke SCY 2:39.47 1 swim

100 Butterfly SCY 54.45 19 swims

200 Butterfly SCY 2:06.50 5 swims

200 Individual Medley SCY 2:05.93 8 swims

400 Individual Medley SCY 4:36.52 5 swims

50 Freestyle LCM 27.17 4 swims

100 Freestyle LCM 58.69 5 swims

200 Freestyle LCM 2:14.96 2 swims

400 Freestyle LCM 4:52.45 4 swims

100 Backstroke LCM 1:04.83 13 swims

200 Backstroke LCM 2:20.52 10 swims

100 Breaststroke LCM 1:13.79 4 swims

50 Butterfly LCM 27.78 2 swims

100 Butterfly LCM 1:00.98 11 swims

200 Butterfly LCM 2:18.51 4 swims

200 Individual Medley LCM 2:19.70 8 swims