Zach Nelsen

Mage 16CZFLMTOKOZSESTARCASC

70 plausible swims · 10 meets · 2022-09-30 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.26	A+0.87s to AA	2026-03-26	ISCA INTERNATIONAL SENIOR CUP venue
100 Freestyle	SCY	53.17	A+1.88s to AA	2026-03-28	ISCA INTERNATIONAL SENIOR CUP venue
200 Freestyle	SCY	1:57.75	BB+0.96s to A	2024-12-20	King Marlin Pro-Am Classic venue
500 Freestyle	SCY	5:52.49	B+8.50s to BB	2022-09-30	2022 Fall Invitational venue
1000 Freestyle	SCY	10:48.70	A+14.71s to AA	2024-12-19	King Marlin Pro-Am Classic venue
1650 Freestyle	SCY	18:00.03	A+23.14s to AA	2024-12-22	King Marlin Pro-Am Classic venue
100 Backstroke	SCY	1:05.38	B+2.49s to BB	2024-10-05	2024 Tiger Fall Classic venue
200 Backstroke	SCY	2:11.75	BB+4.46s to A	2024-12-22	King Marlin Pro-Am Classic venue
50 Breaststroke	SCY	31.57	BB+0.08s to A	2026-03-26	ISCA INTERNATIONAL SENIOR CUP venue
100 Breaststroke	SCY	1:07.16	BB+1.17s to A	2026-03-27	ISCA INTERNATIONAL SENIOR CUP venue
200 Breaststroke	SCY	2:35.92	B+0.73s to BB	2024-12-21	King Marlin Pro-Am Classic venue
50 Butterfly	SCY	26.57	A+0.48s to AA	2026-03-25	ISCA INTERNATIONAL SENIOR CUP venue
100 Butterfly	SCY	1:09.96	+2.67s to B	2024-10-05	2024 Tiger Fall Classic venue
100 Individual Medley	SCY	59.48		2026-03-24	ISCA INTERNATIONAL SENIOR CUP venue
200 Individual Medley	SCY	2:11.98	BB+2.29s to A	2026-03-25	ISCA INTERNATIONAL SENIOR CUP venue
400 Individual Medley	SCY	4:51.92	BB+14.23s to A	2024-10-04	2024 Tiger Fall Classic venue
50 Freestyle	LCM	28.92	BB+0.63s to A	2025-04-13	2025 Tiger Spring Splash venue
100 Freestyle	LCM	58.86	AA+2.37s to AAA	2026-06-21	2026 ST ASC Firecracker venue
200 Freestyle	LCM	2:13.27	A+4.08s to AA	2025-06-22	2025 Dick Fadgen Tiger Classic venue
400 Freestyle	LCM	4:39.37	A+3.68s to AA	2025-06-14	2025 ST ASC Firecracker venue
800 Freestyle	LCM	9:40.34	A+9.05s to AA	2024-08-04	2024 Central Zone 14 & U Championship - ND venue
1500 Freestyle	LCM	18:18.09	AA+46.50s to AAA	2024-08-04	2024 Central Zone 14 & U Championship - ND venue
100 Backstroke	LCM	1:07.58	A+2.29s to AA	2026-06-20	2026 ST ASC Firecracker venue
200 Backstroke	LCM	2:24.82	A+3.33s to AA	2026-06-19	2026 ST ASC Firecracker venue
50 Breaststroke	LCM	33.86	AA+0.97s to AAA	2026-06-20	2026 ST ASC Firecracker venue
100 Breaststroke	LCM	1:17.68	BB+0.69s to A	2026-06-21	2026 ST ASC Firecracker venue
200 Breaststroke	LCM	3:07.22	B+5.83s to BB	2025-06-14	2025 ST ASC Firecracker venue
200 Individual Medley	LCM	2:32.75	BB+1.46s to A	2026-06-21	2026 ST ASC Firecracker venue
400 Individual Medley	LCM	5:19.30	A+10.31s to AA	2026-06-19	2026 ST ASC Firecracker venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	24.52	flying	200 Free Relay (leg 4)	2024-12-22	King Marlin Pro-Am Classic
100 Freestyle	SCY	53.60	flying	400 Free Relay (leg 4)	2024-12-20	King Marlin Pro-Am Classic
50 Backstroke	SCY	28.37	flat	200 Medley Relay	2026-03-25	ISCA INTERNATIONAL SENIOR CUP
100 Backstroke	SCY	1:00.72	flat	400 Medley Relay	2026-03-24	ISCA INTERNATIONAL SENIOR CUP
50 Freestyle	LCM	28.57	flat	200 Free Relay	2025-04-12	2025 Tiger Spring Splash
200 Freestyle	LCM	2:16.27	flying	800 Free Relay (leg 4)	2024-07-10	Region VIII Speedo Summer Sectionals
50 Butterfly	LCM	32.55	flying	200 Medley Relay (leg 3)	2025-04-13	2025 Tiger Spring Splash

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 15-16 · LCM

3231 points (5/6 events — incomplete)

Event	Time	Points
400 FR LCM	4:39.37	721
200 BK LCM	2:24.82	709
200 BR LCM	3:07.22	473
200 IM LCM	2:32.75	646
400 IM LCM	5:19.30	682
200 FL LCM	—	0

IMR 15-16 · SCY

2751 points (5/5 events)

Event	Time	Points
200 FR SCY	1:57.75	649
100 BK SCY	1:05.38	466
100 BR SCY	1:07.16	633
100 FL SCY	1:09.96	373
200 IM SCY	2:11.98	630

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

PR splits

100 Freestyle SCY 53.17

25.17

28.00

Front half 25.17s · back half 28.00s

200 Freestyle SCY 1:57.75

26.50

29.85

30.87

30.53

Front half 56.35s · back half 61.40s

500 Freestyle SCY 5:52.49

30.95

34.74

35.05

35.30

35.69

35.99

36.41

36.64

36.52

35.20

Front half 171.73s · back half 180.76s

1000 Freestyle SCY 10:48.70

26.26

29.90

30.81

31.48

31.69

32.15

32.46

32.91

32.89

33.09

33.49

33.72

33.82

34.07

33.98

33.78

34.17

33.20

33.16

31.67

Front half 313.64s · back half 335.06s

1650 Freestyle SCY 18:00.03

26.78

30.72

32.06

32.35

32.31

32.53

32.48

33.06

32.85

33.19

32.89

32.97

32.89

32.99

33.27

33.00

33.44

33.62

33.21

33.39

33.59

33.14

33.26

33.30

33.73

33.30

33.35

33.47

33.08

31.37

100 Backstroke SCY 1:05.38 RT 0.68s

31.23

34.15

Front half 31.23s · back half 34.15s

200 Backstroke SCY 2:11.75

30.17

33.61

34.21

33.76

Front half 63.78s · back half 67.97s

100 Breaststroke SCY 1:07.16

30.75

36.41

Front half 30.75s · back half 36.41s

200 Breaststroke SCY 2:35.92

34.12

40.07

41.01

40.72

Front half 74.19s · back half 81.73s

100 Butterfly SCY 1:09.96

31.57

38.39

Front half 31.57s · back half 38.39s

100 Individual Medley SCY 59.48

27.68

31.80

Front half 27.68s · back half 31.80s

200 Individual Medley SCY 2:11.98

28.11

34.49

38.87

30.51

Front half 62.60s · back half 69.38s

400 Individual Medley SCY 4:51.92

31.07

40.30

36.08

36.62

41.15

42.04

32.78

31.88

Front half 144.07s · back half 147.85s

100 Freestyle LCM 58.86

27.76

31.10

Front half 27.76s · back half 31.10s

200 Freestyle LCM 2:13.27

30.35

33.72

34.85

34.35

Front half 64.07s · back half 69.20s

400 Freestyle LCM 4:39.37

31.02

35.87

35.91

35.51

35.70

35.95

35.44

33.97

Front half 138.31s · back half 141.06s

800 Freestyle LCM 9:40.34

31.46

67.35

103.49

139.88

176.24

213.07

249.94

287.07

323.24

360.44

396.83

433.70

470.05

506.62

543.23

580.34

616.79

653.67

690.33

727.71

764.63

801.89

838.90

875.95

913.13

950.49

987.67

1025.07

1062.38

580.34

1500 Freestyle LCM 18:18.09

31.46

35.89

36.14

36.39

36.36

36.83

36.87

37.13

36.17

37.20

36.39

36.87

36.35

36.57

36.61

37.11

36.45

36.88

36.66

37.38

36.92

37.26

37.01

37.05

37.18

37.36

37.18

37.40

37.31

35.71

Front half 543.23s · back half 554.86s

100 Backstroke LCM 1:07.58

32.69

34.89

Front half 32.69s · back half 34.89s

200 Backstroke LCM 2:24.82

32.90

36.72

38.00

37.20

Front half 69.62s · back half 75.20s

100 Breaststroke LCM 1:17.68

35.32

42.36

Front half 35.32s · back half 42.36s

200 Breaststroke LCM 3:07.22

39.68

48.16

50.13

49.25

Front half 87.84s · back half 99.38s

200 Individual Medley LCM 2:32.75

31.29

39.95

46.05

35.46

Front half 71.24s · back half 81.51s

400 Individual Medley LCM 5:19.30

31.08

39.36

41.62

40.35

45.75

47.75

36.93

36.46

Front half 152.41s · back half 166.89s

Reaction time

fastest 0.59s average 0.647s slowest 0.69s 4 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 24.26 4 swims

100 Freestyle SCY 53.17 3 swims

200 Freestyle SCY 1:57.75 2 swims

500 Freestyle SCY 5:52.49 1 swim

1000 Freestyle SCY 10:48.70 1 swim

1650 Freestyle SCY 18:00.03 1 swim

100 Backstroke SCY 1:05.38 1 swim

200 Backstroke SCY 2:11.75 2 swims

50 Breaststroke SCY 31.57 2 swims

100 Breaststroke SCY 1:07.16 3 swims

200 Breaststroke SCY 2:35.92 3 swims

50 Butterfly SCY 26.57 1 swim

100 Butterfly SCY 1:09.96 1 swim

100 Individual Medley SCY 59.48 1 swim

200 Individual Medley SCY 2:11.98 3 swims

400 Individual Medley SCY 4:51.92 1 swim

50 Freestyle LCM 28.92 1 swim

100 Freestyle LCM 58.86 4 swims

200 Freestyle LCM 2:13.27 5 swims

400 Freestyle LCM 4:39.37 3 swims

800 Freestyle LCM 9:40.34 2 swims

1500 Freestyle LCM 18:18.09 1 swim

100 Backstroke LCM 1:07.58 4 swims

200 Backstroke LCM 2:24.82 6 swims

50 Breaststroke LCM 33.86 3 swims

100 Breaststroke LCM 1:17.68 4 swims

200 Breaststroke LCM 3:07.22 1 swim

200 Individual Medley LCM 2:32.75 3 swims

400 Individual Medley LCM 5:19.30 3 swims