Shelby Jackson

Fage 18MAMDVANBACUN

372 plausible swims · 46 meets · 2016-05-07 → 2024-08-03

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.22	A+0.33s to AA	2021-12-11	2021 NBAC HOLIDAY MEET venue
100 Freestyle	SCY	56.06	AA+2.27s to AAA	2022-12-11	2022 NBAC Holiday Invitational venue
200 Freestyle	SCY	2:00.61	AA+3.82s to AAA	2022-12-09	2022 NBAC Holiday Invitational venue
500 Freestyle	SCY	5:34.81	A+7.72s to AA	2024-01-20	2024 ISCA January Classic venue
50 Backstroke	SCY	30.74	BB+0.85s to A	2024-01-21	2024 ISCA January Classic venue
100 Backstroke	SCY	1:04.52	BB+0.73s to A	2023-11-17	2023 NBAC Thanksgiving Meet
200 Backstroke	SCY	2:19.53	BB+0.84s to A	2021-03-27	MAC-NBAC March COVID Championships slow pool
50 Breaststroke	SCY	37.08	BB+2.09s to A	2024-01-21	2024 ISCA January Classic venue
100 Breaststroke	SCY	1:19.71	B+0.62s to BB	2022-11-20	2022 NBAC Thanksgiving Meet fast pool
200 Breaststroke	SCY	2:48.39	BB+9.90s to A	2022-11-19	2022 NBAC Thanksgiving Meet fast pool
50 Butterfly	SCY	28.89	A+0.20s to AA	2023-02-26	2023 MD LSC SR SCY Championhips venue
100 Butterfly	SCY	1:00.48	AA+2.49s to AAA	2022-02-06	2022 IAAM A & B Conference Championships fast pool
200 Butterfly	SCY	2:12.46	AA+3.97s to AAA	2023-02-25	2023 MD LSC SR SCY Championhips venue
100 Individual Medley	SCY	1:06.84		2023-01-01	2023 nbac fall fastival final results pdf
200 Individual Medley	SCY	2:18.93	A+2.44s to AA	2022-12-10	2022 NBAC Holiday Invitational venue
400 Individual Medley	SCY	5:06.09	BB+2.70s to A	2022-12-09	2022 NBAC Holiday Invitational venue
50 Freestyle	LCM	26.25	AAAA	2022-04-30	2022 Carol Chidester Invite
100 Freestyle	LCM	1:02.36	AA+0.97s to AAA	2022-06-12	2022 Summer Speedo Spectaculare venue
200 Freestyle	LCM	2:17.89	AA+4.90s to AAA	2023-07-07	2023 NBAC Mid-Summer Classic venue
400 Freestyle	LCM	4:58.54	A+5.15s to AA	2021-07-25	Summer Junior Champs LCM Meet venue
800 Freestyle	LCM	10:31.62	A+23.63s to AA		2022 Summer Speedo Spectaculare venue
1500 Freestyle	LCM	19:52.10	A+28.01s to AA	2022-06-09	2022 Summer Speedo Spectaculare venue
50 Backstroke	LCM	35.16	A+0.87s to AA	2024-01-01	2024 nbac mid summer classic final results pdf
100 Backstroke	LCM	1:14.81	BB+0.62s to A	2021-07-31	2021 MD LSC Summer Championships venue
200 Backstroke	LCM	2:40.85	A+6.36s to AA	2021-07-25	Summer Junior Champs LCM Meet venue
50 Breaststroke	LCM	43.33	B+0.44s to BB	2023-05-19	2023 NBAC Spring Long Course Meet venue
100 Breaststroke	LCM	1:23.45	A+2.66s to AA	2022-04-30	2022 Carol Chidester Invite
200 Breaststroke	LCM	3:20.79	B+1.40s to BB	2022-06-11	2022 Summer Speedo Spectaculare venue
50 Butterfly	LCM	32.27	A+0.38s to AA	2024-08-01	2024 MD LSC LC Championships venue
100 Butterfly	LCM	1:08.83	AA+2.64s to AAA	2023-08-04	2023 Speedo Maryland Long Course Championship venue
200 Butterfly	LCM	2:32.01	AA+5.62s to AAA	2022-05-22	2022 NBAC Spring Long Course Meet venue
200 Individual Medley	LCM	2:41.87	A+5.68s to AA	2021-07-25	Summer Junior Champs LCM Meet venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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	31.18	flying	200 Free Relay (leg 3)	2017-03-02	2017 MD LSC 14 & U CHAMPIONSHIPS
100 Freestyle	SCY	1:06.78	flying	400 Free Relay (leg 2)	2017-03-04	2017 MD LSC 14 & U CHAMPIONSHIPS
50 Backstroke	SCY	36.59	flat	200 Medley Relay	2017-03-05	2017 MD LSC 14 & U CHAMPIONSHIPS
100 Backstroke	SCY	1:16.13	flat	400 Medley Relay	2017-03-03	2017 MD LSC 14 & U CHAMPIONSHIPS
100 Butterfly	SCY	1:01.06	flying	400 Medley Relay (leg 3)	2022-03-13	2022 MD LSC JR CHAMPS - NBAC SITE
100 Freestyle	LCM	1:01.98	flying	400 Free Relay (leg 3)	2024-08-01	2024 MD LSC LC Championships

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 · SCY

3982 points (6/6 events)

Event	Time	Points
500 FR SCY	5:34.81	700
200 BK SCY	2:19.53	621
200 BR SCY	2:48.39	556
200 FL SCY	2:12.46	783
200 IM SCY	2:18.93	688
400 IM SCY	5:06.09	634

IMR 17-18 · LCM

3499 points (5/5 events)

Event	Time	Points
200 FR LCM	2:17.89	759
100 BK LCM	1:14.81	640
100 BR LCM	1:23.45	671
100 FL LCM	1:08.83	755
200 IM LCM	2:41.87	674

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

PR splits

100 Freestyle SCY 56.06

27.28

28.78

Front half 27.28s · back half 28.78s

200 Freestyle SCY 2:00.61

28.61

30.83

30.92

30.25

Front half 59.44s · back half 61.17s

500 Freestyle SCY 5:34.81

30.00

33.14

34.11

34.80

34.65

34.10

33.88

33.73

33.92

32.48

Front half 166.70s · back half 168.11s

100 Backstroke SCY 1:04.52

31.37

33.15

Front half 31.37s · back half 33.15s

100 Breaststroke SCY 1:19.71

37.79

41.92

Front half 37.79s · back half 41.92s

200 Breaststroke SCY 2:48.39

37.94

43.17

43.78

43.50

Front half 81.11s · back half 87.28s

100 Butterfly SCY 1:00.48

28.47

32.01

Front half 28.47s · back half 32.01s

200 Butterfly SCY 2:12.46

29.90

33.23

34.56

34.77

Front half 63.13s · back half 69.33s

200 Individual Medley SCY 2:18.93

29.98

36.06

41.97

30.92

Front half 66.04s · back half 72.89s

400 Individual Medley SCY 5:06.09

31.48

35.91

40.23

39.26

45.78

46.16

34.46

32.81

Front half 146.88s · back half 159.21s

100 Freestyle LCM 1:02.36

30.20

32.16

Front half 30.20s · back half 32.16s

200 Freestyle LCM 2:17.89

32.54

35.17

35.43

34.75

Front half 67.71s · back half 70.18s

400 Freestyle LCM 4:58.54

32.30

36.41

38.27

38.92

38.66

38.83

38.50

36.65

Front half 145.90s · back half 152.64s

1500 Freestyle LCM 19:52.10

34.56

38.00

39.06

38.64

39.60

38.76

40.38

39.30

40.73

39.40

41.09

39.98

41.34

39.50

41.41

39.87

41.17

39.47

41.84

39.65

41.51

39.40

32.56

47.92

41.80

39.04

40.93

38.66

36.28

40.25

Front half 591.75s · back half 600.35s

100 Backstroke LCM 1:14.81

36.42

38.39

Front half 36.42s · back half 38.39s

200 Backstroke LCM 2:40.85

37.40

40.12

42.20

41.13

Front half 77.52s · back half 83.33s

200 Breaststroke LCM 3:20.79

47.00

52.27

52.00

49.52

Front half 99.27s · back half 101.52s

100 Butterfly LCM 1:08.83

32.26

36.57

Front half 32.26s · back half 36.57s

200 Butterfly LCM 2:32.01

33.73

37.97

39.67

40.64

Front half 71.70s · back half 80.31s

200 Individual Medley LCM 2:41.87

33.13

41.41

52.88

34.45

Front half 74.54s · back half 87.33s

Reaction time

fastest 0.61s average 0.613s slowest 0.62s 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 26.22 13 swims

100 Freestyle SCY 56.06 24 swims

200 Freestyle SCY 2:00.61 20 swims

500 Freestyle SCY 5:34.81 11 swims

50 Backstroke SCY 30.74 14 swims

100 Backstroke SCY 1:04.52 18 swims

200 Backstroke SCY 2:19.53 11 swims

50 Breaststroke SCY 37.08 6 swims

100 Breaststroke SCY 1:19.71 7 swims

200 Breaststroke SCY 2:48.39 2 swims

50 Butterfly SCY 28.89 13 swims

100 Butterfly SCY 1:00.48 22 swims

200 Butterfly SCY 2:12.46 14 swims

100 Individual Medley SCY 1:06.84 7 swims

200 Individual Medley SCY 2:18.93 15 swims

400 Individual Medley SCY 5:06.09 5 swims

50 Freestyle LCM 26.25 19 swims

100 Freestyle LCM 1:02.36 21 swims

200 Freestyle LCM 2:17.89 19 swims

400 Freestyle LCM 4:58.54 5 swims

800 Freestyle LCM 10:31.62 0 swims

1500 Freestyle LCM 19:52.10 1 swim

50 Backstroke LCM 35.16 8 swims

100 Backstroke LCM 1:14.81 14 swims

200 Backstroke LCM 2:40.85 8 swims

50 Breaststroke LCM 43.33 5 swims

100 Breaststroke LCM 1:23.45 10 swims

200 Breaststroke LCM 3:20.79 2 swims

50 Butterfly LCM 32.27 9 swims

100 Butterfly LCM 1:08.83 21 swims

200 Butterfly LCM 2:32.01 13 swims

200 Individual Medley LCM 2:41.87 14 swims