Jacob Dinh

Mage 17CAEASTGOLD

42 plausible swims · 8 meets · 2024-07-25 → 2026-01-17

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.56	A+0.47s to AA	2026-01-17	CMAC - OC Senior Swim Series Meet 6 venue
100 Freestyle	SCY	50.91	A+0.52s to AA	2024-12-13	2024 CA GWSC/SCS WAG venue
200 Freestyle	SCY	1:50.98	AA+4.59s to AAA	2024-12-15	2024 CA GWSC/SCS WAG venue
100 Backstroke	SCY	58.32	BB+1.03s to A	2025-12-12	2025 CA SCS/SCAT WAG venue
200 Backstroke	SCY	2:03.02	A+3.03s to AA	2025-12-13	2025 CA SCS/SCAT WAG venue
100 Breaststroke	SCY	1:05.42	BB+0.73s to A	2026-01-17	CMAC - OC Senior Swim Series Meet 6 venue
200 Individual Medley	SCY	2:04.97	A+2.08s to AA	2024-12-14	2024 CA GWSC/SCS WAG venue
400 Individual Medley	SCY	4:26.17	A+1.68s to AA	2025-12-13	2025 CA SCS/SCAT WAG venue
100 Freestyle	LCM	58.15	A+0.06s to AA	2024-07-25	2024 CA SCS/GWSC Summer A/G Champs slow pool
200 Freestyle	LCM	2:11.33	A+3.64s to AA	2025-07-24	2025 CA SCS Summer A/G Champs
100 Backstroke	LCM	1:08.49	BB+1.00s to A	2025-07-26	2025 CA SCS Summer A/G Champs
200 Backstroke	LCM	2:25.63	A+4.64s to AA	2024-07-25	2024 CA SCS/GWSC Summer A/G Champs slow pool
200 Breaststroke	LCM	2:49.12	BB+4.43s to A	2024-07-28	2024 CA SCS/GWSC Summer A/G Champs slow pool
200 Individual Medley	LCM	2:24.54	A+2.15s to AA	2025-07-25	2025 CA SCS Summer A/G Champs
400 Individual Medley	LCM	5:10.65	A+4.96s to AA	2024-07-26	2024 CA SCS/GWSC Summer A/G Champs slow pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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
100 Freestyle	SCY	50.84	flying	400 Free Relay (leg 3)	2024-05-03	2024 CIF-SS Division 2
200 Freestyle	SCY	1:51.47	flying	800 Free Relay (leg 2)	2024-12-13	2024 CA GWSC/SCS WAG
50 Backstroke	SCY	27.21	flat	200 Medley Relay	2024-05-03	2024 CIF-SS Division 2
50 Backstroke	LCM	32.06	flat	200 Medley Relay	2025-07-24	2025 CA SCS Summer A/G Champs

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 17-18 · LCM

2659 points (4/6 events — incomplete)

Event	Time	Points
200 BK LCM	2:25.63	661
200 BR LCM	2:49.12	590
200 IM LCM	2:24.54	710
400 IM LCM	5:10.65	698
400 FR LCM	—	0
200 FL LCM	—	0

IMR 17-18 · SCY

2642 points (4/5 events — incomplete)

Event	Time	Points
200 FR SCY	1:50.98	735
100 BK SCY	58.32	589
100 BR SCY	1:05.42	626
200 IM SCY	2:04.97	692
100 FL SCY	—	0

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

PR splits

100 Freestyle SCY 50.91

24.37

26.54

Front half 24.37s · back half 26.54s

200 Freestyle SCY 1:50.98

25.90

27.62

28.66

28.80

Front half 53.52s · back half 57.46s

100 Backstroke SCY 58.32

28.28

30.04

Front half 28.28s · back half 30.04s

200 Backstroke SCY 2:03.02

29.05

30.49

31.42

32.06

Front half 59.54s · back half 63.48s

100 Breaststroke SCY 1:05.42

31.18

34.24

Front half 31.18s · back half 34.24s

200 Individual Medley SCY 2:04.97

27.37

31.38

37.56

28.66

Front half 58.75s · back half 66.22s

400 Individual Medley SCY 4:26.17

27.96

31.37

33.09

32.45

38.77

39.56

31.84

31.13

Front half 124.87s · back half 141.30s

100 Freestyle LCM 58.15

27.92

30.23

Front half 27.92s · back half 30.23s

200 Freestyle LCM 2:11.33

62.18

69.15

Front half 62.18s · back half 69.15s

200 Backstroke LCM 2:25.63

33.84

36.51

37.72

37.56

Front half 70.35s · back half 75.28s

200 Breaststroke LCM 2:49.12

36.88

41.28

44.37

46.59

Front half 78.16s · back half 90.96s

200 Individual Medley LCM 2:24.54 RT 0.65s

65.75

78.79

Front half 65.75s · back half 78.79s

400 Individual Medley LCM 5:10.65

31.66

36.21

40.08

39.13

46.05

45.87

36.19

35.46

Front half 147.08s · back half 163.57s

Reaction time

fastest 0.55s average 0.606s slowest 0.67s 5 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 23.56 2 swims

100 Freestyle SCY 50.91 4 swims

200 Freestyle SCY 1:50.98 4 swims

100 Backstroke SCY 58.32 4 swims

200 Backstroke SCY 2:03.02 3 swims

100 Breaststroke SCY 1:05.42 1 swim

200 Individual Medley SCY 2:04.97 4 swims

400 Individual Medley SCY 4:26.17 4 swims

100 Freestyle LCM 58.15 3 swims

200 Freestyle LCM 2:11.33 1 swim

100 Backstroke LCM 1:08.49 3 swims

200 Backstroke LCM 2:25.63 3 swims

200 Breaststroke LCM 2:49.12 1 swim

200 Individual Medley LCM 2:24.54 3 swims

400 Individual Medley LCM 5:10.65 2 swims