Zachary McNabb

Mage 18EZNCVAODAC

292 plausible swims · 40 meets · 2019-10-26 → 2026-05-17

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.66	BB+0.97s to A	2022-02-26	2022 VA SE 13&Over Disrict Championships venue
100 Freestyle	SCY	53.31	BB+1.32s to A	2022-02-27	2022 VA SE 13&Over Disrict Championships venue
200 Freestyle	SCY	1:43.39	AAA+2.80s to AAAA	2025-11-14	ISCA Fall Classic Championship 2025 venue
500 Freestyle	SCY	4:35.26	AAA+1.67s to AAAA	2024-03-02	2024 VSI SC Senior Championships venue
1000 Freestyle	SCY	9:31.38	AAAA	2024-03-03	2024 VSI SC Senior Championships venue
1650 Freestyle	SCY	15:51.31	AAAA	2024-02-29	2024 VSI SC Senior Championships venue
50 Backstroke	SCY	27.13	BB+0.64s to A	2024-01-21	2024 ISCA January Classic venue
100 Backstroke	SCY	56.28	BB+0.09s to A	2024-01-20	2024 ISCA January Classic venue
200 Backstroke	SCY	1:56.12	AA+2.63s to AAA	2026-01-16	ISCA January Classic 2026 venue
50 Breaststroke	SCY	29.91	A+0.62s to AA	2026-01-18	ISCA January Classic 2026 venue
100 Breaststroke	SCY	1:08.76	BB+4.57s to A	2022-02-25	2022 VA SE 13&Over Disrict Championships venue
200 Breaststroke	SCY	2:28.49	BB+8.90s to A	2023-10-08	757Swim IMR/IMX Season Kickoff Meet venue
50 Butterfly	SCY	25.01	AA+0.72s to AAA	2026-01-18	ISCA January Classic 2026 venue
100 Butterfly	SCY	53.68	AA+2.09s to AAA	2024-03-01	2024 VSI SC Senior Championships venue
200 Butterfly	SCY	1:55.20	AAA+4.51s to AAAA	2025-11-15	ISCA Fall Classic Championship 2025 venue
100 Individual Medley	SCY	1:13.20		2019-10-26	757swim FALL FIESTA 2019 slow pool
200 Individual Medley	SCY	1:59.87	AA+3.68s to AAA	2026-01-17	ISCA January Classic 2026 venue
400 Individual Medley	SCY	4:07.30	AAA+7.91s to AAAA	2026-01-16	ISCA January Classic 2026 venue
50 Freestyle	LCM	27.12	A+0.83s to AA	2025-06-22	SGSA 69th Annual Eastern Invitational venue
100 Freestyle	LCM	59.62	A+1.93s to AA	2022-07-10	2022 VA SE Distriact Summer Awards slow pool
200 Freestyle	LCM	1:58.49	AAA+3.30s to AAAA	2026-05-15	2026 EZ LC Speedo Super Sectionals venue
400 Freestyle	LCM	4:09.01	AAA+3.42s to AAAA	2026-05-16	2026 EZ LC Speedo Super Sectionals venue
800 Freestyle	LCM	8:34.56	AAA+0.27s to AAAA	2026-05-17	2026 EZ LC Speedo Super Sectionals venue
1500 Freestyle	LCM	16:29.19	AAA+5.10s to AAAA	2026-05-14	2026 EZ LC Speedo Super Sectionals venue
100 Backstroke	LCM	1:06.79	A+2.60s to AA	2023-05-20	2023 Spring Luau venue
200 Backstroke	LCM	2:16.94	AA+3.15s to AAA	2026-05-17	2026 EZ LC Speedo Super Sectionals venue
100 Breaststroke	LCM	1:24.19	B+3.30s to BB	2023-04-29	2023 TIDE Swimming Speedo Shockwave Meet slow pool
200 Breaststroke	LCM	2:56.39	BB+13.10s to A	2022-07-09	2022 VA SE Distriact Summer Awards slow pool
100 Butterfly	LCM	1:03.26	A+1.67s to AA	2024-06-09	2024 TIDE Swimming Schools Out Classic slow pool
200 Butterfly	LCM	2:13.38	AA+1.49s to AAA	2026-05-16	2026 EZ LC Speedo Super Sectionals venue
200 Individual Medley	LCM	2:23.63	A+1.74s to AA	2023-05-20	2023 Spring Luau venue
400 Individual Medley	LCM	4:50.66	AAA+12.37s to AAAA	2026-05-15	2026 EZ LC Speedo Super Sectionals 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	23.71	flying	200 Free Relay (leg 4)	2022-03-12	2022 VA SC Age Group Champs
100 Freestyle	SCY	1:01.61	flat	400 Free Relay	2020-02-14	2020 Southeast District Champs (SEVA)
100 Freestyle	SCY	52.60	flying	400 Free Relay (leg 2)	2021-12-11	2021 VA 10th HOKI S&T Winter Champs
200 Freestyle	SCY	1:25.73	flying	800 Free Relay (leg 2)	2021-12-09	2021 VA 10th HOKI S&T Winter Champs
100 Breaststroke	SCY	1:10.79	flying	400 Medley Relay (leg 2)	2022-02-26	2022 VA SE 13&Over Disrict Championships
50 Butterfly	SCY	17.91	flying	200 Medley Relay (leg 3)	2021-11-13	2021 VA WAC Fall Classic
100 Butterfly	SCY	56.97	flying	400 Medley Relay (leg 3)	2022-03-11	2022 VA SC Age Group Champs
200 Freestyle	LCM	2:01.08	flying	800 Free Relay (leg 3)	2024-05-18	2024 EZ LC Speedo Super Sectional

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

4862 points (6/6 events)

Event	Time	Points
500 FR SCY	4:35.26	969
200 BK SCY	1:56.12	802
200 BR SCY	2:28.49	550
200 FL SCY	1:55.20	865
200 IM SCY	1:59.87	785
400 IM SCY	4:07.30	891

IMR 17-18 · SCY

3652 points (5/5 events)

Event	Time	Points
200 FR SCY	1:43.39	909
100 BK SCY	56.28	655
100 BR SCY	1:08.76	539
100 FL SCY	53.68	764
200 IM SCY	1:59.87	785

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

PR splits

100 Freestyle SCY 53.31

25.43

27.88

Front half 25.43s · back half 27.88s

200 Freestyle SCY 1:43.39

24.68

26.12

26.37

26.22

Front half 50.80s · back half 52.59s

500 Freestyle SCY 4:35.26

25.36

27.42

27.74

27.90

27.83

28.14

28.26

28.16

27.64

26.81

Front half 136.25s · back half 139.01s

1000 Freestyle SCY 9:31.38

26.11

28.40

28.78

28.75

29.00

28.95

28.88

28.91

28.89

28.95

28.85

28.79

29.05

29.02

28.84

28.77

28.51

28.77

28.07

27.09

Front half 285.62s · back half 285.76s

1650 Freestyle SCY 15:51.31

26.40

28.59

28.91

29.24

29.19

29.02

29.08

28.86

28.94

29.06

28.90

28.86

28.84

28.93

28.74

28.92

28.70

28.66

28.83

28.74

28.75

29.16

28.94

28.82

29.21

29.12

29.10

29.25

29.35

29.13

28.72

27.51

100 Backstroke SCY 56.28

27.49

28.79

Front half 27.49s · back half 28.79s

200 Backstroke SCY 1:56.12

27.93

29.27

29.61

29.31

Front half 57.20s · back half 58.92s

100 Breaststroke SCY 1:08.76

32.04

36.72

Front half 32.04s · back half 36.72s

200 Breaststroke SCY 2:28.49

34.54

37.53

38.30

38.12

Front half 72.07s · back half 76.42s

100 Butterfly SCY 53.68

25.07

28.61

Front half 25.07s · back half 28.61s

200 Butterfly SCY 1:55.20

26.47

29.49

29.37

29.87

Front half 55.96s · back half 59.24s

100 Individual Medley SCY 1:13.20

33.04

40.16

Front half 33.04s · back half 40.16s

200 Individual Medley SCY 1:59.87

26.14

29.86

36.54

27.33

Front half 56.00s · back half 63.87s

400 Individual Medley SCY 4:07.30

26.75

29.92

31.76

30.92

36.26

36.56

28.18

26.95

Front half 119.35s · back half 127.95s

100 Freestyle LCM 59.62

28.77

30.85

Front half 28.77s · back half 30.85s

200 Freestyle LCM 1:58.49

28.26

30.28

30.48

29.47

Front half 58.54s · back half 59.95s

400 Freestyle LCM 4:09.01

28.99

31.34

31.44

31.87

31.70

32.10

31.37

30.20

Front half 123.64s · back half 125.37s

800 Freestyle LCM 8:34.56

29.99

32.30

32.36

32.70

32.85

32.75

32.63

32.84

32.61

32.68

32.57

32.29

32.28

32.13

31.96

29.62

Front half 258.42s · back half 256.14s

1500 Freestyle LCM 16:29.19

29.90

32.35

32.86

33.11

33.02

33.44

32.97

33.46

33.05

33.75

33.30

33.77

33.21

33.65

33.04

33.49

32.87

33.60

33.01

33.56

32.95

33.65

32.95

33.44

32.82

33.10

32.76

32.94

32.57

30.60

Front half 494.88s · back half 494.31s

100 Backstroke LCM 1:06.79

33.01

33.78

Front half 33.01s · back half 33.78s

200 Backstroke LCM 2:16.94

67.45

69.49

Front half 67.45s · back half 69.49s

100 Breaststroke LCM 1:24.19

39.67

44.52

Front half 39.67s · back half 44.52s

200 Breaststroke LCM 2:56.39

39.66

45.69

45.08

45.96

Front half 85.35s · back half 91.04s

100 Butterfly LCM 1:03.26

29.59

33.67

Front half 29.59s · back half 33.67s

200 Butterfly LCM 2:13.38

64.13

69.25

Front half 64.13s · back half 69.25s

200 Individual Medley LCM 2:23.63

31.23

37.04

44.27

31.09

Front half 68.27s · back half 75.36s

400 Individual Medley LCM 4:50.66

65.55

74.57

87.24

63.30

Front half 140.12s · back half 150.54s

Reaction time

fastest 0.64s average 0.682s slowest 0.73s 8 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 24.66 4 swims

100 Freestyle SCY 53.31 8 swims

200 Freestyle SCY 1:43.39 19 swims

500 Freestyle SCY 4:35.26 21 swims

1000 Freestyle SCY 9:31.38 9 swims

1650 Freestyle SCY 15:51.31 10 swims

50 Backstroke SCY 27.13 3 swims

100 Backstroke SCY 56.28 11 swims

200 Backstroke SCY 1:56.12 19 swims

50 Breaststroke SCY 29.91 3 swims

100 Breaststroke SCY 1:08.76 4 swims

200 Breaststroke SCY 2:28.49 4 swims

50 Butterfly SCY 25.01 8 swims

100 Butterfly SCY 53.68 17 swims

200 Butterfly SCY 1:55.20 19 swims

100 Individual Medley SCY 1:13.20 1 swim

200 Individual Medley SCY 1:59.87 13 swims

400 Individual Medley SCY 4:07.30 14 swims

50 Freestyle LCM 27.12 2 swims

100 Freestyle LCM 59.62 3 swims

200 Freestyle LCM 1:58.49 16 swims

400 Freestyle LCM 4:09.01 20 swims

800 Freestyle LCM 8:34.56 9 swims

1500 Freestyle LCM 16:29.19 5 swims

100 Backstroke LCM 1:06.79 4 swims

200 Backstroke LCM 2:16.94 11 swims

100 Breaststroke LCM 1:24.19 1 swim

200 Breaststroke LCM 2:56.39 1 swim

100 Butterfly LCM 1:03.26 4 swims

200 Butterfly LCM 2:13.38 15 swims

200 Individual Medley LCM 2:23.63 5 swims

400 Individual Medley LCM 4:50.66 9 swims