Ethan Jacobson

Mage 13MDCAARACUN-CA

234 plausible swims · 44 meets · 2021-07-17 → 2025-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	28.37	BB+1.68s to A	2025-03-14	2025 Speedo Maryland Junior Championship - Si
100 Freestyle	SCY	1:03.17	B+0.48s to BB	2025-02-07	GBSA - 2025 Last Chance Qualifying
200 Freestyle	SCY	2:17.43	B+0.24s to BB	2025-02-07	GBSA - 2025 Last Chance Qualifying
500 Freestyle	SCY	6:02.63	BB+20.94s to A	2025-03-14	2025 Speedo Maryland Junior Championship - Si
50 Backstroke	SCY	35.39	B+2.50s to BB	2024-03-08	2024 Speedo Maryland Junior Championship - Si
100 Backstroke	SCY	1:16.09	+1.70s to B	2024-03-08	2024 Speedo Maryland Junior Championship - Si
200 Backstroke	SCY	2:48.59	+6.50s to B	2024-01-06	2024 NBAC New Year's Kick - Off Meet fast pool
50 Breaststroke	SCY	43.90	+3.41s to B	2024-12-08	2024 NAAC Holiday Blast slow pool
100 Breaststroke	SCY	1:34.88	+10.59s to B	2024-12-07	2024 NAAC Holiday Blast slow pool
200 Breaststroke	SCY	3:27.71	+24.72s to B	2024-09-27	RAC First Splash 2024
50 Butterfly	SCY	30.51	BB+0.82s to A	2025-02-07	GBSA - 2025 Last Chance Qualifying
100 Butterfly	SCY	1:14.02	+0.23s to B	2024-03-08	2024 Speedo Maryland Junior Championship - Si
200 Butterfly	SCY	2:54.69	+9.40s to B	2024-01-06	2024 NBAC New Year's Kick - Off Meet
100 Individual Medley	SCY	1:12.16		2024-12-08	2024 NAAC Holiday Blast slow pool
200 Individual Medley	SCY	2:35.19	B+2.30s to BB	2025-03-14	2025 Speedo Maryland Junior Championship - Si
50 Freestyle	LCM	31.68	BB+1.09s to A	2025-05-02	2025 John C. Clegg Memorial Long Course Meet
100 Freestyle	LCM	1:14.77	B+2.18s to BB	2024-07-26	2024 Maryland Long Course Junior Championship
200 Freestyle	LCM	2:38.29	B+0.40s to BB	2025-05-02	2025 John C. Clegg Memorial Long Course Meet
50 Backstroke	LCM	39.59	B+1.30s to BB	2025-06-13	2025 CAC Schools Out For Summer
100 Backstroke	LCM	1:25.23	B+4.14s to BB	2025-05-02	2025 John C. Clegg Memorial Long Course Meet
200 Backstroke	LCM	3:18.07	+8.28s to B	2024-04-06	2024 CAC Spring LCM Swim Meet
50 Breaststroke	LCM	49.14	+3.25s to B	2025-06-13	2025 CAC Schools Out For Summer
100 Breaststroke	LCM	1:55.87	+18.68s to B	2024-05-11	2024 John C. Clegg Memorial Long Course Meet venue
50 Butterfly	LCM	35.09	BB+1.60s to A	2024-08-01	2024 MD LSC LC Championships venue
100 Butterfly	LCM	1:25.92	+1.83s to B	2024-04-06	2024 CAC Spring LCM Swim Meet
200 Butterfly	LCM	3:07.50	B+12.01s to BB	2024-07-26	2024 Maryland Long Course Junior Championship
200 Individual Medley	LCM	3:02.20	B+5.41s to BB	2025-05-02	2025 John C. Clegg Memorial Long Course Meet
400 Individual Medley	LCM	6:35.28	B+17.59s to BB	2025-06-13	2025 CAC Schools Out For Summer

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.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	34.34	flying	200 Free Relay (leg 3)	2023-03-18	2023 MD LSC 11 & Over B Championships
50 Butterfly	SCY	46.14	flying	200 Medley Relay (leg 3)	2022-03-26	2022 Maryland 9-10 B Championship Meet

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

1833 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	6:02.63	507
200 BK SCY	2:48.59	325
200 BR SCY	3:27.71	251
200 FL SCY	2:54.69	305
200 IM SCY	2:35.19	445
400 IM SCY	—	0

IMR 13-14 · SCY

1883 points (5/5 events)

Event	Time	Points
200 FR SCY	2:17.43	470
100 BK SCY	1:16.09	347
100 BR SCY	1:34.88	257
100 FL SCY	1:14.02	364
200 IM SCY	2:35.19	445

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

PR splits

200 Backstroke SCY 2:48.59

39.90

42.99

43.58

42.12

Front half 82.89s · back half 85.70s

100 Breaststroke SCY 1:34.88

43.59

51.29

Front half 43.59s · back half 51.29s

200 Butterfly SCY 2:54.69

36.05

43.13

48.15

47.36

Front half 79.18s · back half 95.51s

100 Individual Medley SCY 1:12.16

32.05

40.11

Front half 32.05s · back half 40.11s

Reaction time

fastest 0.65s average 0.790s slowest 1.02s 3 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 28.37 20 swims

100 Freestyle SCY 1:03.17 16 swims

200 Freestyle SCY 2:17.43 14 swims

500 Freestyle SCY 6:02.63 2 swims

50 Backstroke SCY 35.39 15 swims

100 Backstroke SCY 1:16.09 12 swims

200 Backstroke SCY 2:48.59 1 swim

50 Breaststroke SCY 43.90 9 swims

100 Breaststroke SCY 1:34.88 8 swims

200 Breaststroke SCY 3:27.71 2 swims

50 Butterfly SCY 30.51 15 swims

100 Butterfly SCY 1:14.02 11 swims

200 Butterfly SCY 2:54.69 2 swims

100 Individual Medley SCY 1:12.16 16 swims

200 Individual Medley SCY 2:35.19 6 swims

50 Freestyle LCM 31.68 12 swims

100 Freestyle LCM 1:14.77 12 swims

200 Freestyle LCM 2:38.29 6 swims

50 Backstroke LCM 39.59 9 swims

100 Backstroke LCM 1:25.23 11 swims

200 Backstroke LCM 3:18.07 2 swims

50 Breaststroke LCM 49.14 6 swims

100 Breaststroke LCM 1:55.87 2 swims

50 Butterfly LCM 35.09 8 swims

100 Butterfly LCM 1:25.92 6 swims

200 Butterfly LCM 3:07.50 6 swims

200 Individual Medley LCM 3:02.20 4 swims

400 Individual Medley LCM 6:35.28 1 swim