David Zimmerman

Mage 16CACCMTLIBRRAUN04

221 plausible swims · 41 meets · 2023-01-14 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.24	AAA+0.85s to AAAA	2025-11-02	2025 CA Tom Hamilton Memorial Invite venue
100 Freestyle	SCY	47.42	AAA+0.63s to AAAA	2026-05-09	2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS - venue
200 Freestyle	SCY	1:44.30	AAA+2.11s to AAAA	2026-05-08	2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS - venue
500 Freestyle	SCY	4:50.16	AAA+12.37s to AAAA	2025-05-10	2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPS venue
1000 Freestyle	SCY	10:04.78	AAA+25.89s to AAAA	2025-11-21	2025 CANY Cranberry venue
1650 Freestyle	SCY	17:42.92	A+6.03s to AA	2025-11-23	2025 CANY Cranberry venue
100 Backstroke	SCY	54.90	AA+1.61s to AAA	2025-05-10	2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPS venue
200 Backstroke	SCY	2:07.05	A+5.06s to AA	2025-02-14	2025 CCS SCY AGC
100 Breaststroke	SCY	1:08.41	BB+2.42s to A	2025-01-17	Fresno Dolphins Swim Team Senior Prelim-Final
50 Butterfly	SCY	24.06	AAA+0.27s to AAAA	2025-11-01	2025 CA Tom Hamilton Memorial Invite venue
200 Individual Medley	SCY	2:09.99	BB+0.30s to A	2025-02-14	2025 CCS SCY AGC
50 Freestyle	LCM	25.20	AAA+0.41s to AAAA	2025-07-16	Renee and Jim Patterson Meet 2025
100 Freestyle	LCM	56.08	AAA+2.19s to AAAA	2026-06-28	2026 TYR GO Challenge venue
200 Freestyle	LCM	2:02.39	AAA+4.40s to AAAA	2025-07-16	Renee and Jim Patterson Meet 2025
400 Freestyle	LCM	4:28.46	AA+4.77s to AAA	2025-05-24	2025 CA 29th NOVA-Speedo Grand Challenge venue
800 Freestyle	LCM	9:19.04	AA+12.55s to AAA	2025-07-20	Renee and Jim Patterson Meet 2025 venue
100 Backstroke	LCM	1:04.30	AA+1.81s to AAA	2025-07-16	Renee and Jim Patterson Meet 2025
50 Breaststroke	LCM	33.88	AA+0.99s to AAA	2026-06-28	2026 TYR GO Challenge venue
100 Breaststroke	LCM	1:19.46	BB+2.47s to A	2025-06-21	SLOS 2025 Firecracker Invitational venue
50 Butterfly	LCM	27.22	AAA+0.33s to AAAA	2025-07-17	Renee and Jim Patterson Meet 2025 venue
100 Butterfly	LCM	1:01.92	AA+1.43s to AAA	2025-07-16	Renee and Jim Patterson Meet 2025
200 Individual Medley	LCM	2:24.67	AA+5.98s to AAA	2025-07-20	Renee and Jim Patterson Meet 2025 venue
400 Individual Medley	LCM	5:09.58	A+0.59s to AA	2026-06-21	2026 SLOS Firecracker Invitational 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	21.73	flat	200 Free Relay	2026-05-09	2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS -
100 Freestyle	SCY	47.08	flying	400 Free Relay (leg 4)	2026-05-09	2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS -
100 Freestyle	SCY	48.43	flying	400 Medley Relay (leg 4)	2025-12-05	2025 Holiday Swim Festival
50 Butterfly	SCY	24.54	flying	200 Medley Relay (leg 3)	2025-12-06	2025 Holiday Swim Festival
50 Freestyle	LCM	25.17	flying	200 Free Relay (leg 2)	2025-07-19	Renee and Jim Patterson Meet 2025
100 Freestyle	LCM	1:01.91	flying	400 Free Relay (leg 3)	2024-06-30	Arena Grand Challenge 2024
50 Breaststroke	LCM	34.30	flying	200 Medley Relay (leg 2)	2025-07-19	Renee and Jim Patterson Meet 2025

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

2322 points (3/6 events — incomplete)

Event	Time	Points
400 FR LCM	4:28.46	813
200 IM LCM	2:24.67	761
400 IM LCM	5:09.58	748
200 BK LCM	—	0
200 BR LCM	—	0
200 FL LCM	—	0

IMR 15-16 · LCM

3841 points (5/5 events)

Event	Time	Points
200 FR LCM	2:02.39	884
100 BK LCM	1:04.30	791
100 BR LCM	1:19.46	601
100 FL LCM	1:01.92	804
200 IM LCM	2:24.67	761

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

PR splits

100 Freestyle SCY 47.42

22.78

24.64

Front half 22.78s · back half 24.64s

200 Freestyle SCY 1:44.30

23.98

26.24

27.33

26.75

Front half 50.22s · back half 54.08s

500 Freestyle SCY 4:50.16

26.03

28.39

28.45

29.48

29.77

30.08

30.12

29.54

28.82

Front half 141.83s · back half 148.33s

1000 Freestyle SCY 10:04.78

26.14

28.29

29.43

30.08

30.29

30.71

30.57

30.70

30.55

30.61

30.94

31.22

31.33

31.16

31.17

31.47

30.21

30.53

30.40

28.98

Front half 297.37s · back half 307.41s

1650 Freestyle SCY 17:42.92

28.75

30.96

32.47

32.55

33.15

33.02

32.49

32.97

32.76

33.24

33.19

32.46

33.97

33.02

33.56

33.01

32.99

31.95

32.54

32.40

32.33

32.71

33.33

31.24

32.37

31.56

30.56

31.62

32.15

31.53

31.02

30.71

30.34

100 Backstroke SCY 54.90

26.37

28.53

Front half 26.37s · back half 28.53s

100 Breaststroke SCY 1:08.41 split/total mismatch

31.16

6.09

Front half 31.16s · back half 37.25s

200 Freestyle LCM 2:02.39 split/total mismatch

28.25

30.81

32.40

30.93

400 Freestyle LCM 4:28.46

29.63

32.14

33.95

34.42

35.42

35.30

34.36

33.24

Front half 130.14s · back half 138.32s

800 Freestyle LCM 9:19.04

31.62

65.97

101.51

137.29

172.93

208.73

244.69

280.35

315.08

350.49

386.43

422.34

458.40

493.47

527.13

559.04

100 Backstroke LCM 1:04.30 split/total mismatch

30.88

2.54

Front half 30.88s · back half 33.42s

100 Breaststroke LCM 1:19.46

36.51

42.95

Front half 36.51s · back half 42.95s

50 Butterfly LCM 27.22

27.22

100 Butterfly LCM 1:01.92 split/total mismatch

37.99

23.93

200 Individual Medley LCM 2:24.67

28.84

66.41

112.11

144.67

400 Individual Medley LCM 5:09.58

29.97

36.93

40.10

40.80

45.69

47.17

34.61

34.31

Front half 147.80s · back half 161.78s

Reaction time

fastest 0.71s average 0.751s slowest 0.88s 7 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 22.24 14 swims

100 Freestyle SCY 47.42 45 swims

200 Freestyle SCY 1:44.30 35 swims

500 Freestyle SCY 4:50.16 9 swims

1000 Freestyle SCY 10:04.78 4 swims

1650 Freestyle SCY 17:42.92 3 swims

100 Backstroke SCY 54.90 14 swims

200 Backstroke SCY 2:07.05 5 swims

100 Breaststroke SCY 1:08.41 6 swims

50 Butterfly SCY 24.06 2 swims

200 Individual Medley SCY 2:09.99 4 swims

50 Freestyle LCM 25.20 14 swims

100 Freestyle LCM 56.08 8 swims

200 Freestyle LCM 2:02.39 9 swims

400 Freestyle LCM 4:28.46 5 swims

800 Freestyle LCM 9:19.04 1 swim

100 Backstroke LCM 1:04.30 7 swims

50 Breaststroke LCM 33.88 5 swims

100 Breaststroke LCM 1:19.46 3 swims

50 Butterfly LCM 27.22 16 swims

100 Butterfly LCM 1:01.92 5 swims

200 Individual Medley LCM 2:24.67 6 swims

400 Individual Medley LCM 5:09.58 1 swim