Zander Muilenburg

Mage 18IEMTORPNSTUTCSCSCSHRCR

288 plausible swims · 51 meets · 2017-06-02 → 2026-06-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.80	A+0.11s to AA	2026-01-16	2026 PN VAST 49th Annual Washington Open- APP venue
100 Freestyle	SCY	47.95	AA+0.26s to AAA	2026-03-21	2026 Western Zone Short Course Senior Champ fast pool
200 Freestyle	SCY	1:42.82	AAA+2.23s to AAAA	2025-02-16	2025 Northwest District 1 3A Boys H.S. Champs venue
500 Freestyle	SCY	4:37.24	AAA+3.65s to AAAA	2025-12-20	2025 WA State Senior SC Champs- APPROVED venue
1000 Freestyle	SCY	9:33.75	AAAA	2026-03-12	2026 Bellevue Club Premier Invite- Approved fast pool
1650 Freestyle	SCY	15:58.47	AAA+0.28s to AAAA	2025-12-21	2025 WA State Senior SC Champs- APPROVED venue
100 Backstroke	SCY	59.77	BB+3.58s to A	2024-10-13	2024 PN CSC Fall Classic Invitational venue
200 Backstroke	SCY	2:06.80	BB+3.01s to A	2024-01-12	2024 PN VAST 47th Annual Washington Open venue
100 Breaststroke	SCY	1:06.13	BB+1.94s to A	2025-11-22	2025 PN November AGI, Division 4 (WEST) venue
100 Butterfly	SCY	55.65	A+1.76s to AA	2026-03-19	2026 Western Zone Short Course Senior Champ fast pool
200 Butterfly	SCY	2:13.73	BB+7.24s to A	2024-01-14	2024 PN VAST 47th Annual Washington Open venue
200 Individual Medley	SCY	2:03.05	A+1.56s to AA	2026-03-22	2026 Western Zone Short Course Senior Champ fast pool
400 Individual Medley	SCY	4:21.70	AA+10.91s to AAA	2026-01-17	2026 PN VAST 49th Annual Washington Open- APP venue
50 Freestyle	LCM	26.59	A+0.30s to AA	2024-07-20	2024 PN LC Senior Championships venue
100 Freestyle	LCM	55.29	AA+0.10s to AAA	2025-04-27	2025 PN KING Spring Derby venue
200 Freestyle	LCM	2:00.25	AAA+5.06s to AAAA	2025-07-18	2025 PN 13&O LC Senior Championships venue
400 Freestyle	LCM	4:11.58	AAA+5.99s to AAAA	2024-07-13	2024 Speedo Sectionals - Mt Hood venue
800 Freestyle	LCM	8:41.38	AAA+7.09s to AAAA	2025-07-20	2025 PN 13&O LC Senior Championships venue
1500 Freestyle	LCM	16:45.91	AAA+21.82s to AAAA	2025-07-17	2025 PN 13&O LC Senior Championships venue
50 Backstroke	LCM	31.65	A+1.06s to AA	2026-05-31	2026 TRI-CITY INVITATIONAL venue
100 Backstroke	LCM	1:07.46	BB+0.47s to A	2025-04-26	2025 PN KING Spring Derby venue
200 Backstroke	LCM	2:40.93	B+2.84s to BB	2025-06-28	2025 PN CSC 104th Annual Senior Seattle Open venue
50 Breaststroke	LCM	35.49	BB+0.40s to A	2025-06-28	2025 PN CSC 104th Annual Senior Seattle Open venue
100 Breaststroke	LCM	1:18.20	BB+3.51s to A	2024-06-02	2024 TRI-CITY INVITATIONAL venue
200 Breaststroke	LCM	3:36.34	+25.85s to B	2021-06-05	2021 TRI-CITY OPEN venue
50 Butterfly	LCM	28.94	A+0.35s to AA	2024-06-01	2024 TRI-CITY INVITATIONAL venue
100 Butterfly	LCM	1:04.60	BB+0.31s to A	2026-05-31	2026 TRI-CITY INVITATIONAL venue
200 Butterfly	LCM	2:31.16	BB+7.27s to A	2026-06-19	2026 PN CSC 105th Annual Seattle Open- Approv venue
200 Individual Medley	LCM	2:26.14	A+4.25s to AA	2025-04-26	2025 PN KING Spring Derby venue
400 Individual Medley	LCM	5:08.49	A+3.70s to AA	2024-07-19	2024 PN LC Senior Championships 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	21.82	flying	200 Free Relay (leg 3)	2025-02-22	2025 3A Boys State Swim/Dive Champs
100 Freestyle	SCY	47.21	flying	400 Free Relay (leg 4)	2025-02-22	2025 3A Boys State Swim/Dive Champs
200 Freestyle	SCY	1:44.38	flying	800 Free Relay (leg 4)	2025-12-18	2025 WA State Senior SC Champs- APPROVED
50 Freestyle	LCM	24.63	flying	200 Medley Relay (leg 4)	2024-07-30	WZ LCM Senior Champs 2024
100 Freestyle	LCM	56.38	flying	400 Medley Relay (leg 4)	2025-07-18	2025 PN 13&O LC Senior Championships
100 Freestyle	LCM	55.37	flying	400 Free Relay (leg 2)	2024-07-21	2024 PN LC Senior Championships
200 Freestyle	LCM	2:03.51	flying	800 Free Relay (leg 2)	2024-03-16	2024 Northwest Spring Speedo Sectionals

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

3663 points (6/6 events)

Event	Time	Points
400 FR LCM	4:11.58	922
200 BK LCM	2:40.93	490
200 BR LCM	3:36.34	282
200 FL LCM	2:31.16	569
200 IM LCM	2:26.14	687
400 IM LCM	5:08.49	713

IMR 17-18 · SCY

3489 points (5/5 events)

Event	Time	Points
200 FR SCY	1:42.82	925
100 BK SCY	59.77	547
100 BR SCY	1:06.13	606
100 FL SCY	55.65	686
200 IM SCY	2:03.05	725

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

PR splits

100 Freestyle SCY 47.95

23.36

24.59

Front half 23.36s · back half 24.59s

200 Freestyle SCY 1:42.82

23.66

25.56

26.74

26.86

Front half 49.22s · back half 53.60s

500 Freestyle SCY 4:37.24 RT 0.73s

25.44

27.72

27.87

28.08

28.09

28.24

28.45

28.15

27.11

Front half 137.20s · back half 140.04s

1000 Freestyle SCY 9:33.75 RT 0.67s

26.33

28.47

28.80

28.92

28.91

28.87

28.76

28.92

29.27

29.01

29.14

28.60

28.83

29.10

28.80

28.92

28.65

28.57

28.01

Front half 286.12s · back half 287.63s

1650 Freestyle SCY 15:58.47 RT 0.70s

26.25

28.26

28.92

29.42

29.73

29.35

29.37

29.03

28.94

28.98

29.02

29.33

29.41

29.30

29.11

29.60

29.36

28.92

29.26

29.21

29.18

29.21

29.22

28.99

29.29

29.07

28.70

28.95

29.28

29.17

29.20

29.31

28.13

100 Backstroke SCY 59.77

29.29

30.48

Front half 29.29s · back half 30.48s

200 Backstroke SCY 2:06.80 RT 0.64s

29.66

32.00

32.98

32.16

Front half 61.66s · back half 65.14s

100 Breaststroke SCY 1:06.13

30.86

35.27

Front half 30.86s · back half 35.27s

100 Butterfly SCY 55.65

26.27

29.38

Front half 26.27s · back half 29.38s

200 Butterfly SCY 2:13.73

28.87

33.82

36.21

34.83

Front half 62.69s · back half 71.04s

200 Individual Medley SCY 2:03.05

26.29

31.97

36.71

28.08

Front half 58.26s · back half 64.79s

400 Individual Medley SCY 4:21.70

29.98

30.57

34.58

33.34

37.59

38.36

29.75

27.53

Front half 128.47s · back half 133.23s

100 Freestyle LCM 55.29

26.74

28.55

Front half 26.74s · back half 28.55s

200 Freestyle LCM 2:00.25 RT 0.76s

58.25

62.00

Front half 58.25s · back half 62.00s

400 Freestyle LCM 4:11.58

28.74

31.43

31.85

31.59

32.42

32.23

32.64

30.68

Front half 123.61s · back half 127.97s

800 Freestyle LCM 8:41.38 RT 0.70s

64.54

67.12

66.67

66.50

65.54

64.99

64.04

61.98

Front half 264.83s · back half 256.55s

1500 Freestyle LCM 16:45.91 RT 0.72s

63.41

67.53

68.07

68.43

67.78

68.01

68.54

68.64

67.35

67.71

65.83

66.55

66.37

66.27

65.42

200 Backstroke LCM 2:40.93

80.63

80.30

Front half 80.63s · back half 80.30s

200 Breaststroke LCM 3:36.34

106.92

109.42

Front half 106.92s · back half 109.42s

200 Butterfly LCM 2:31.16 · 12.9 min after 200 Freestyle

71.11

80.05

Front half 71.11s · back half 80.05s

200 Individual Medley LCM 2:26.14

31.46

40.97

43.52

30.19

Front half 72.43s · back half 73.71s

400 Individual Medley LCM 5:08.49 RT 0.65s

71.65

81.20

90.47

65.17

Front half 152.85s · back half 155.64s

Reaction time

fastest 0.42s average 0.601s slowest 0.83s 77 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 22.80 4 swims

100 Freestyle SCY 47.95 16 swims

200 Freestyle SCY 1:42.82 38 swims

500 Freestyle SCY 4:37.24 40 swims

1000 Freestyle SCY 9:33.75 11 swims

1650 Freestyle SCY 15:58.47 11 swims

100 Backstroke SCY 59.77 3 swims

200 Backstroke SCY 2:06.80 2 swims

100 Breaststroke SCY 1:06.13 6 swims

100 Butterfly SCY 55.65 8 swims

200 Butterfly SCY 2:13.73 1 swim

200 Individual Medley SCY 2:03.05 7 swims

400 Individual Medley SCY 4:21.70 15 swims

50 Freestyle LCM 26.59 8 swims

100 Freestyle LCM 55.29 16 swims

200 Freestyle LCM 2:00.25 17 swims

400 Freestyle LCM 4:11.58 17 swims

800 Freestyle LCM 8:41.38 12 swims

1500 Freestyle LCM 16:45.91 7 swims

50 Backstroke LCM 31.65 2 swims

100 Backstroke LCM 1:07.46 9 swims

200 Backstroke LCM 2:40.93 2 swims

50 Breaststroke LCM 35.49 2 swims

100 Breaststroke LCM 1:18.20 8 swims

200 Breaststroke LCM 3:36.34 1 swim

50 Butterfly LCM 28.94 1 swim

100 Butterfly LCM 1:04.60 10 swims

200 Butterfly LCM 2:31.16 1 swim

200 Individual Medley LCM 2:26.14 7 swims

400 Individual Medley LCM 5:08.49 6 swims