Jack Yoshimura

Mage 14CZWIPX3

24 plausible swims · 5 meets · 2024-01-06 → 2024-04-28

Personal records

EventCourseBest CutDateMeet
100 Freestyle SCY 53.14 AA+1.95s to AAA 2024-01-06 2024 MAC Short Course Midwest Invitational venue
200 Freestyle SCY 1:55.66 AA+3.67s to AAA 2024-02-04 2024 Schroeder YMCA A+ Presented by Speedo venue
500 Freestyle SCY 5:17.52 A+0.43s to AA 2024-02-10 2024 PX3 Valentine Open slow pool
100 Backstroke SCY 56.44 AA+0.35s to AAA 2024-01-06 2024 MAC Short Course Midwest Invitational venue
100 Breaststroke SCY 1:07.08 A+0.89s to AA 2024-02-03 2024 Schroeder YMCA A+ Presented by Speedo venue
100 Butterfly SCY 56.66 AA+1.27s to AAA 2024-02-03 2024 Schroeder YMCA A+ Presented by Speedo venue
200 Butterfly SCY 2:04.10 AA+0.81s to AAA 2024-02-04 2024 Schroeder YMCA A+ Presented by Speedo venue
200 Individual Medley SCY 2:06.22 AA+2.13s to AAA 2024-02-03 2024 Schroeder YMCA A+ Presented by Speedo venue
400 Individual Medley SCY 4:30.20 AA+4.81s to AAA 2024-02-02 2024 Schroeder YMCA A+ Presented by Speedo venue
400 Freestyle LCM 4:42.76 AA+7.77s to AAA 2024-04-26 2024 PX3 Spring IMR/IMX Challenge slow pool
100 Backstroke LCM 1:05.95 AA+0.16s to AAA 2024-03-10 2024 USA Swimming Speedo Championship Series venue
200 Backstroke LCM 2:22.95 AAA+6.46s to AAAA 2024-03-08 2024 USA Swimming Speedo Championship Series venue
200 Breaststroke LCM 2:59.03 BB+4.24s to A 2024-04-27 2024 PX3 Spring IMR/IMX Challenge slow pool
200 Butterfly LCM 2:30.14 A+2.25s to AA 2024-03-08 2024 USA Swimming Speedo Championship Series venue
200 Individual Medley LCM 2:28.64 AA+4.85s to AAA 2024-04-26 2024 PX3 Spring IMR/IMX Challenge slow pool
400 Individual Medley LCM 5:10.54 AA+3.05s to AAA 2024-03-09 2024 USA Swimming Speedo Championship Series venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.

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
200 Freestyle LCM 2:13.23 flying 800 Free Relay (leg 3) 2024-03-07 2024 USA Swimming Speedo Championship Series
100 Breaststroke LCM 1:18.46 flying 400 Medley Relay (leg 2) 2024-03-09 2024 USA Swimming Speedo Championship Series

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 13-14 · LCM

4616 points (6/6 events)

EventTime Points
400 FR LCM 4:42.76 789
200 BK LCM 2:22.95 866
200 BR LCM 2:59.03 613
200 FL LCM 2:30.14 723
200 IM LCM 2:28.64 786
400 IM LCM 5:10.54 839

IMR 13-14 · SCY

4009 points (5/5 events)

EventTime Points
200 FR SCY 1:55.66 789
100 BK SCY 56.44 851
100 BR SCY 1:07.08 729
100 FL SCY 56.66 813
200 IM SCY 2:06.22 827

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

PR splits

100 Freestyle SCY 53.14

25.41
27.73

Front half 25.41s · back half 27.73s

200 Freestyle SCY 1:55.66

25.96
29.27
30.12
30.31

Front half 55.23s · back half 60.43s

500 Freestyle SCY 5:17.52

28.24
31.36
31.82
32.51
32.61
32.31
32.53
33.00
32.57
30.57

Front half 156.54s · back half 160.98s

100 Backstroke SCY 56.44

27.29
29.15

Front half 27.29s · back half 29.15s

100 Breaststroke SCY 1:07.08

31.28
35.80

Front half 31.28s · back half 35.80s

100 Butterfly SCY 56.66

26.48
30.18

Front half 26.48s · back half 30.18s

200 Butterfly SCY 2:04.10

27.36
31.28
32.51
32.95

Front half 58.64s · back half 65.46s

200 Individual Medley SCY 2:06.22

27.34
31.71
37.53
29.64

Front half 59.05s · back half 67.17s

400 Individual Medley SCY 4:30.20

28.05
32.45
33.45
33.51
38.70
39.57
32.68
31.79

Front half 127.46s · back half 142.74s

400 Freestyle LCM 4:42.76

31.55
35.46
36.45
36.45
36.72
36.53
35.94
33.66

Front half 139.91s · back half 142.85s

200 Backstroke LCM 2:22.95

67.96
74.99

Front half 67.96s · back half 74.99s

200 Breaststroke LCM 2:59.03

40.82
45.10
46.38
46.73

Front half 85.92s · back half 93.11s

200 Butterfly LCM 2:30.14

69.22
80.92

Front half 69.22s · back half 80.92s

200 Individual Medley LCM 2:28.64

31.02
38.02
44.74
34.86

Front half 69.04s · back half 79.60s

400 Individual Medley LCM 5:10.54

67.30
76.87
90.48
75.89

Front half 144.17s · back half 166.37s

Progression

Faster times are higher. One card per event, all courses & history.

100 Freestyle SCY 53.14 2 swims
200 Freestyle SCY 1:55.66 1 swim
500 Freestyle SCY 5:17.52 1 swim
100 Backstroke SCY 56.44 2 swims
100 Breaststroke SCY 1:07.08 2 swims
100 Butterfly SCY 56.66 2 swims
200 Butterfly SCY 2:04.10 1 swim
200 Individual Medley SCY 2:06.22 2 swims
400 Individual Medley SCY 4:30.20 1 swim
400 Freestyle LCM 4:42.76 1 swim
100 Backstroke LCM 1:05.95 1 swim
200 Backstroke LCM 2:22.95 2 swims
200 Breaststroke LCM 2:59.03 1 swim
200 Butterfly LCM 2:30.14 2 swims
200 Individual Medley LCM 2:28.64 1 swim
400 Individual Medley LCM 5:10.54 2 swims