swimstats

Koshi Matsuura

Mage 12SE

18 plausible swims · 3 meets · 2017-04-01 → 2026-01-01

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 31.24 B+0.75s to BB·+8.35s to Sectionals 2026-01-01 pdf results cta
100 Freestyle SCY 1:08.51 B+2.12s to BB·+19.02s to Sectionals 2026-01-01 mm6results3col
200 Freestyle SCY 2:29.63 B+4.74s to BB·+41.14s to Sectionals 2026-01-01 pdf results cta
100 Backstroke SCY 1:25.09 +2.90s to B·+28.60s to Sectionals 2026-01-01 mm6results3col
50 Breaststroke SCY 39.95 BB+3.26s to A·+9.66s to Sectionals 2026-01-01 mm6results3col
100 Breaststroke SCY 1:25.58 B+0.09s to BB·+21.29s to Sectionals 2026-01-01 mm6results3col
50 Butterfly SCY 35.32 B+1.13s to BB·+10.43s to Sectionals 2026-01-01 pdf results cta
100 Individual Medley SCY 1:19.60 B+3.71s to BB 2026-01-01 mm6results3col
50 Freestyle LCM 34.64 BB+2.55s to A·+8.35s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
100 Freestyle LCM 1:18.66 B+2.47s to BB·+21.97s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
200 Freestyle LCM 2:49.59 B+3.20s to BB·+45.60s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
50 Breaststroke LCM 45.61 BB+3.62s to A·+10.52s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
100 Breaststroke LCM 1:40.43 B+0.84s to BB·+26.24s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
200 Breaststroke LCM 3:30.89 BB+15.50s to A·+46.50s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
50 Butterfly LCM 41.23 B+2.54s to BB·+12.74s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash
200 Individual Medley LCM 3:07.22 BB+13.03s to A·+46.03s to Sectionals 2017-04-01 2017 SE Jimi Flowers Spring Splash

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

IMX / IMR

IMX 11-12 · LCM

1006 points (2/5 events — incomplete)

EventTime Points
100 BR LCM 1:40.43 486
200 IM LCM 3:07.22 520
400 FR LCM— 0
100 BK LCM— 0
100 FL LCM— 0

IMR 11-12 · LCM

1908 points (4/5 events — incomplete)

EventTime Points
200 FR LCM 2:49.59 497
50 BR LCM 45.61 495
50 FL LCM 41.23 396
200 IM LCM 3:07.22 520
50 BK LCM— 0

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

PR splits

100 Freestyle SCY 1:08.51

32.00
36.51

Front half 32.00s · back half 36.51s

100 Backstroke SCY 1:25.09

40.57
44.52

Front half 40.57s · back half 44.52s

100 Breaststroke SCY 1:25.58

40.72
44.86

Front half 40.72s · back half 44.86s

100 Individual Medley SCY 1:19.60

37.36
42.24

Front half 37.36s · back half 42.24s

100 Freestyle LCM 1:18.66

37.14
41.52

Front half 37.14s · back half 41.52s

200 Freestyle LCM 2:49.59

37.03
42.75
44.83
44.98

Front half 79.78s · back half 89.81s

100 Breaststroke LCM 1:40.43

46.69
53.74

Front half 46.69s · back half 53.74s

200 Breaststroke LCM 3:30.89

46.96
53.44
56.33
54.16

Front half 100.40s · back half 110.49s

200 Individual Medley LCM 3:07.22

41.87
51.28
52.96
41.11

Front half 93.15s · back half 94.07s

Progression

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

50 Freestyle SCY 31.24 1 swim
100 Freestyle SCY 1:08.51 1 swim
200 Freestyle SCY 2:29.63 2 swims
100 Backstroke SCY 1:25.09 1 swim
50 Breaststroke SCY 39.95 2 swims
100 Breaststroke SCY 1:25.58 1 swim
50 Butterfly SCY 35.32 1 swim
100 Individual Medley SCY 1:19.60 1 swim
50 Freestyle LCM 34.64 1 swim
100 Freestyle LCM 1:18.66 1 swim
200 Freestyle LCM 2:49.59 1 swim
50 Breaststroke LCM 45.61 1 swim
100 Breaststroke LCM 1:40.43 1 swim
200 Breaststroke LCM 3:30.89 1 swim
50 Butterfly LCM 41.23 1 swim
200 Individual Medley LCM 3:07.22 1 swim