swimstats

Joseph Zimmerman

Mage 19CAMTSILASC

43 plausible swims · 10 meets · 2024-02-17 → 2026-05-23

Personal records

EventCourseBest CutDateMeet
100 Freestyle SCY 49.67 2024-02-19 2024 President's Day Senior Classic Meet venue
200 Freestyle SCY 1:44.62 2024-12-20 2024 CA-NV December Sectionals At BREA venue
500 Freestyle SCY 4:46.87 2025-02-15 2025 SI Presidents' Day Senior Classic venue
100 Backstroke SCY 56.10 2024-11-09 2024 Legends of Coaching Series-Kevin Perry venue
200 Backstroke SCY 2:01.58 2024-02-17 2024 President's Day Senior Classic Meet venue
100 Butterfly SCY 51.28 2025-02-16 2025 SI Presidents' Day Senior Classic venue
200 Butterfly SCY 1:52.40 2025-02-17 2025 SI Presidents' Day Senior Classic venue
200 Individual Medley SCY 1:59.86 2025-02-15 2025 SI Presidents' Day Senior Classic venue
400 Individual Medley SCY 4:18.01 2025-02-16 2025 SI Presidents' Day Senior Classic venue
50 Freestyle LCM 26.06 2024-07-28 2024 CA SCS/ BREA Summer A/G Champs slow pool
200 Freestyle LCM 2:01.39 2025-07-11 2025 LAI Entries venue
400 Freestyle LCM 4:24.94 2025-07-12 2025 LAI Entries venue
100 Backstroke LCM 1:05.22 2024-07-28 2024 CA SCS/ BREA Summer A/G Champs slow pool
50 Butterfly LCM 27.20 2025-07-24 USA Swimming Futures Sacramento 2025 venue
100 Butterfly LCM 58.62 2025-07-12 2025 LAI Entries venue
200 Butterfly LCM 2:12.61 2025-07-13 2025 LAI Entries venue
400 Individual Medley LCM 4:54.78 2024-07-26 2024 CA SCS/ BREA Summer A/G Champs slow pool

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

LegCourseTime StartRelayDateMeet
50 Freestyle LCM 25.26 flying 200 Free Relay (leg 4) 2025-07-23 USA Swimming Futures Sacramento 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.

PR splits

100 Freestyle SCY 49.67

24.29
25.38

Front half 24.29s · back half 25.38s

200 Freestyle SCY 1:44.62 RT 0.66s

24.46
26.42
27.16
26.58

Front half 50.88s · back half 53.74s

500 Freestyle SCY 4:46.87

25.25
27.46
28.18
29.05
29.92
29.91
29.83
29.86
29.75
27.66

Front half 139.86s · back half 147.01s

100 Backstroke SCY 56.10

27.07
29.03

Front half 27.07s · back half 29.03s

200 Backstroke SCY 2:01.58

28.65
31.10
31.81
30.02

Front half 59.75s · back half 61.83s

100 Butterfly SCY 51.28

24.05
27.23

Front half 24.05s · back half 27.23s

200 Butterfly SCY 1:52.40

25.19
28.41
28.82
29.98

Front half 53.60s · back half 58.80s

200 Individual Medley SCY 1:59.86

24.97
29.71
36.88
28.30

Front half 54.68s · back half 65.18s

400 Individual Medley SCY 4:18.01

27.16
30.40
33.69
32.61
37.62
37.86
30.08
28.59

Front half 123.86s · back half 134.15s

200 Freestyle LCM 2:01.39

59.16
62.23

Front half 59.16s · back half 62.23s

400 Freestyle LCM 4:24.94

62.23
68.39
68.26
66.06

Front half 130.62s · back half 134.32s

200 Butterfly LCM 2:12.61

63.17
69.44

Front half 63.17s · back half 69.44s

400 Individual Medley LCM 4:54.78 RT 0.67s

63.56
75.90
89.61
65.71

Front half 139.46s · back half 155.32s

Reaction time

fastest 0.59s average 0.646s slowest 0.67s 10 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.

100 Freestyle SCY 49.67 1 swim
200 Freestyle SCY 1:44.62 3 swims
500 Freestyle SCY 4:46.87 3 swims
100 Backstroke SCY 56.10 1 swim
200 Backstroke SCY 2:01.58 2 swims
100 Butterfly SCY 51.28 6 swims
200 Butterfly SCY 1:52.40 7 swims
200 Individual Medley SCY 1:59.86 3 swims
400 Individual Medley SCY 4:18.01 1 swim
50 Freestyle LCM 26.06 1 swim
200 Freestyle LCM 2:01.39 1 swim
400 Freestyle LCM 4:24.94 1 swim
100 Backstroke LCM 1:05.22 1 swim
50 Butterfly LCM 27.20 1 swim
100 Butterfly LCM 58.62 6 swims
200 Butterfly LCM 2:12.61 3 swims
400 Individual Medley LCM 4:54.78 2 swims