Koto Kobukai

Mage 16BDFGGULAMTNTSESTLAC

89 plausible swims · 12 meets · 2020-03-06 → 2026-06-08

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 25.39 BB+1.00s to A 2024-03-02 2024 Texas Age Group Swimming Short Course Ch venue
100 Freestyle SCY 53.40 A+2.11s to AA 2025-11-12 nt Hz9zkqJTTBhC9chx8
200 Freestyle SCY 1:56.80 BB+0.01s to A 2024-02-29 2024 Texas Age Group Swimming Short Course Ch
500 Freestyle SCY 5:28.19 BB+10.70s to A 2024-03-02 2024 Texas Age Group Swimming Short Course Ch venue
1000 Freestyle SCY 11:12.81 BB+11.22s to A 2024-02-29 2024 Texas Age Group Swimming Short Course Ch venue
50 Backstroke SCY 56.02 +24.23s to B 2026-03-05 LAC Spring Speedo Sectionals
100 Backstroke SCY 57.91 A+2.22s to AA 2026-03-05 LAC Spring Speedo Sectionals
200 Backstroke SCY 2:01.62 AA+4.93s to AAA 2025-11-12 nt Hz9zkqJTTBhC9chx8
50 Breaststroke SCY 2:10.32 +93.63s to B 2026-03-05 LAC Spring Speedo Sectionals
100 Breaststroke SCY 1:05.59 A+2.40s to AA 2024-02-29 2024 Texas Age Group Swimming Short Course Ch
100 Butterfly SCY 1:12.41 +5.12s to B 2020-03-07 2020 Short Course TAGS Championships venue
200 Butterfly SCY 2:19.39 BB+10.20s to A 2025-11-12 nt Hz9zkqJTTBhC9chx8
200 Individual Medley SCY 2:14.01 BB+4.32s to A 2024-12-21 King Marlin Pro-Am Classic venue
50 Freestyle LCM 28.22 A+1.13s to AA 2024-07-21 2024 Texas Age Group Swimming LC Champs venue
100 Freestyle LCM 1:00.73 A+1.74s to AA 2024-07-18 2024 Texas Age Group Swimming LC Champs venue
200 Freestyle LCM 2:07.21 AA+3.62s to AAA 2026-05-01 Fort Lauderdale Open venue
400 Freestyle LCM 4:40.09 A+4.40s to AA 2025-07-25 2025 TNAQ Senior Summer Showdown fast pool
50 Backstroke LCM 31.90 A+0.81s to AA 2026-04-30 Fort Lauderdale Open venue
100 Backstroke LCM 1:06.96 A+1.67s to AA 2024-07-21 2024 Texas Age Group Swimming LC Champs venue
200 Backstroke LCM 2:23.74 A+2.25s to AA 2026-06-08 1737834
50 Butterfly LCM 30.61 A+1.12s to AA 2026-06-08 1737834
100 Butterfly LCM 1:06.45 BB+0.46s to A 2026-05-11 nt QkGt2EDStQKo6tcFr
200 Individual Medley LCM 2:30.17 A+5.18s to AA 2026-06-08 1737834

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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 SCY 29.27 flying 200 Free Relay (leg 3) 2020-03-07 2020 Short Course TAGS Championships

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 · SCY

2479 points (4/6 events — incomplete)

EventTime Points
500 FR SCY 5:28.19 596
200 BK SCY 2:01.62 753
200 FL SCY 2:19.39 528
200 IM SCY 2:14.01 602
200 BR SCY 0
400 IM SCY 0

IMR 15-16 · SCY

2954 points (5/5 events)

EventTime Points
200 FR SCY 1:56.80 665
100 BK SCY 57.91 670
100 BR SCY 1:05.59 680
100 FL SCY 1:12.41 337
200 IM SCY 2:14.01 602

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

PR splits

100 Freestyle SCY 53.40 split/total mismatch

26.05
27.36
26.28
27.12

200 Freestyle SCY 1:56.80 split/total mismatch

26.65
28.49
26.95
29.70
30.13
30.02

500 Freestyle SCY 5:28.19

28.38
31.36
32.50
32.86
33.34
33.65
34.14
34.34
34.65
32.97

Front half 158.44s · back half 169.75s

1000 Freestyle SCY 11:12.81

28.76
32.18
32.93
33.43
33.61
33.69
33.83
33.84
33.90
34.23
33.87
34.53
34.19
34.55
34.30
34.54
34.47
34.43
34.50
33.03

Front half 330.40s · back half 342.41s

100 Breaststroke SCY 1:05.59 split/total mismatch

30.60
33.66
34.59
34.83
30.80
34.79

100 Butterfly SCY 1:12.41

33.74
38.67

Front half 33.74s · back half 38.67s

200 Butterfly SCY 2:19.39 split/total mismatch

29.45
32.76
33.54
34.11
29.43
36.26
36.87
36.83

200 Individual Medley SCY 2:14.01

29.31
31.22
43.01
30.47

Front half 60.53s · back half 73.48s

100 Freestyle LCM 1:00.73

29.40
31.33

Front half 29.40s · back half 31.33s

200 Freestyle LCM 2:07.21 RT 0.52s

29.84
31.93
32.82
32.62

Front half 61.77s · back half 65.44s

400 Freestyle LCM 4:40.09 RT 0.48s

31.78
34.87
35.51
35.13
35.79
35.92
36.33
34.76

Front half 137.29s · back half 142.80s

100 Backstroke LCM 1:06.96

32.35
34.61

Front half 32.35s · back half 34.61s

100 Butterfly LCM 1:06.45 split/total mismatch

31.17
4.11

Front half 31.17s · back half 35.28s

200 Individual Medley LCM 2:30.17 split/total mismatch

34.68
42.22
46.17
35.84

Reaction time

fastest 0.41s average 0.603s slowest 0.70s 16 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 25.39 1 swim
100 Freestyle SCY 53.40 5 swims
200 Freestyle SCY 1:56.80 4 swims
500 Freestyle SCY 5:28.19 1 swim
1000 Freestyle SCY 11:12.81 1 swim
50 Backstroke SCY 56.02 1 swim
100 Backstroke SCY 57.91 6 swims
200 Backstroke SCY 2:01.62 5 swims
50 Breaststroke SCY 2:10.32 1 swim
100 Breaststroke SCY 1:05.59 1 swim
100 Butterfly SCY 1:12.41 2 swims
200 Butterfly SCY 2:19.39 1 swim
200 Individual Medley SCY 2:14.01 3 swims
50 Freestyle LCM 28.22 4 swims
100 Freestyle LCM 1:00.73 8 swims
200 Freestyle LCM 2:07.21 9 swims
400 Freestyle LCM 4:40.09 2 swims
50 Backstroke LCM 31.90 3 swims
100 Backstroke LCM 1:06.96 9 swims
200 Backstroke LCM 2:23.74 9 swims
50 Butterfly LCM 30.61 2 swims
100 Butterfly LCM 1:06.45 5 swims
200 Individual Medley LCM 2:30.17 6 swims