swimstats

Kion Sonomura

Mage 12HIMTPCUTOTACUTAHUVA

431 plausible swims · 88 meets · 2020-10-12 → 2026-08-08

Personal records

EventCourseBest CutDateMeet
25 Freestyle SCY 26.02 2020-12-11 2020 UT OA Thanksgiving Turkey Meatvenue
50 Freestyle SCY 25.67 AAA+1.08s to AAAA·+2.48s to Sectionals 2026-03-07 2026 SC UTAGS Championshipsvenue
100 Freestyle SCY 56.07 AAA+2.38s to AAAA·+5.08s to Sectionals 2026-03-06 2026 SC UTAGS Championshipsvenue
200 Freestyle SCY 2:06.85 AA+4.26s to AAA·+15.06s to Sectionals 2026-01-30 2026 UVRays Heart Attack Openvenue
500 Freestyle SCY 5:51.79 A+6.80s to AA·+49.10s to Sectionals 2026-01-29 2026 UVRays Heart Attack Openvenue
1650 Freestyle SCY 20:46.04 A+39.65s to AA·+189.15s to Sectionals 2026-01-17 2026 UT HAST Winter Invitationalvenue
25 Backstroke SCY 28.41 2020-12-11 2020 UT OA Thanksgiving Turkey Meatvenue
50 Backstroke SCY 29.62 AAA+1.43s to AAAA·+5.93s to Futures 2026-03-06 2026 SC UTAGS Championshipsvenue
100 Backstroke SCY 1:02.02 AAA+2.53s to AAAA·+6.53s to Sectionals 2026-03-05 2026 SC UTAGS Championshipsvenue
200 Backstroke SCY 2:13.44 AAA+3.75s to AAAA·+12.15s to Sectionals 2026-03-07 2026 SC UTAGS Championshipsvenue
25 Breaststroke SCY 31.40 2021-11-12 2021 UT OA Thanksgiving Turkey Meatvenue
50 Breaststroke SCY 36.15 A+1.16s to AA·+9.86s to Futures 2025-10-10 2025 PC Sprintsvenue
100 Breaststroke SCY 1:17.80 A+2.91s to AA·+14.61s to Sectionals 2026-01-07 UVRays 2026 January Intrasquadvenue
200 Breaststroke SCY 2:42.49 A+1.10s to AA·+25.20s to Sectionals 2026-03-05 2026 SC UTAGS Championshipsvenue
25 Butterfly SCY 27.84 2021-11-12 2021 UT OA Thanksgiving Turkey Meatvenue
50 Butterfly SCY 30.12 A+0.43s to AA·+7.23s to Futures 2025-10-11 2025 PC Sprintsvenue
100 Butterfly SCY 1:08.47 A+2.58s to AA·+13.28s to Sectionals 2026-01-07 UVRays 2026 January Intrasquadvenue
200 Butterfly SCY 2:41.15 BB+9.66s to A·+37.76s to Sectionals 2025-11-12 2025 UVRays November Intrasquadvenue
100 Individual Medley SCY 1:04.56 AA+0.57s to AAA 2026-03-07 2026 SC UTAGS Championshipsvenue
200 Individual Medley SCY 2:24.43 AA+5.64s to AAA·+20.44s to Sectionals 2026-01-31 2026 UVRays Heart Attack Openvenue
400 Individual Medley SCY 5:20.91 A+10.92s to AA·+56.22s to Sectionals 2025-10-23 2025 Mike Harper Openvenue
50 Freestyle LCM 29.00 AAA+0.91s to AAAA·+2.01s to Sectionals 2026-06-12 2026 UT CHAT INVITATIONALvenue
100 Freestyle LCM 1:02.07 AAA+0.48s to AAAA·+3.08s to Sectionals 2026-08-05 2026 Western Zone Age Group Championshipsvenue
200 Freestyle LCM 2:22.72 AA+1.93s to AAA·+14.03s to Sectionals 2026-06-27 2026 UT HAST RWB Time Trialsvenue
400 Freestyle LCM 5:01.34 AA+1.85s to AAA·+26.95s to Sectionals 2026-06-06 2026 UVRays Oviatt Invitational - copiedvenue
50 Backstroke LCM 32.42 AAAA·+4.53s to Futures 2026-07-18 2026 UTAGS LC Championshipsvenue
100 Backstroke LCM 1:08.89 AAAA·+3.70s to Sectionals 2026-08-05 2026 Western Zone Age Group Championshipsvenue
200 Backstroke LCM 2:28.28 AAAA·+6.79s to Sectionals 2026-08-06 2026 Western Zone Age Group Championshipsvenue
50 Breaststroke LCM 38.11 AA+0.02s to AAA·+7.22s to Futures 2026-07-16 2026 UTAGS LC Championshipsvenue
100 Breaststroke LCM 1:27.10 AA+4.01s to AAA·+13.40s to Sectionals 2026-06-05 2026 UVRays Oviatt Invitational - copiedvenue
200 Breaststroke LCM 3:05.20 AA+6.11s to AAA·+24.32s to Sectionals 2026-07-18 2026 UTAGS LC Championshipsvenue
50 Butterfly LCM 30.96 AAA+0.67s to AAAA·+4.67s to Futures 2026-01-01 2026 Western Zone Age Group LCM Championships
100 Butterfly LCM 1:10.13 AAA+2.34s to AAAA·+7.04s to Sectionals 2026-08-08 2026 Western Zone Age Group Championshipsvenue
200 Individual Medley LCM 2:37.42 AAA+6.33s to AAAA·+12.73s to Sectionals 2026-06-13 2026 UT CHAT INVITATIONALvenue
400 Individual Medley LCM 5:49.42 AA+5.33s to AAA·+41.63s to Sectionals 2026-06-04 2026 UVRays Oviatt Invitational - copiedvenue

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.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 31.80 flat 200 Free Relay 2024-03-02 2024 UTAGS Short Course Championships
50 Freestyle SCY 24.93 flying 200 Free Relay (leg 4) 2026-03-07 2026 SC UTAGS Championships
100 Freestyle SCY 56.73 flying 400 Free Relay (leg 4) 2026-03-05 2026 SC UTAGS Championships
50 Butterfly SCY 28.38 flying 200 Medley Relay (leg 3) 2026-03-06 2026 SC UTAGS Championships
50 Freestyle LCM 28.86 flat 200 Free Relay 2026-07-18 2026 UTAGS LC Championships
100 Freestyle LCM 1:02.64 flat 400 Free Relay 2026-07-16 2026 UTAGS LC Championships
50 Backstroke LCM 33.26 flat 200 Medley Relay 2026-08-06 2026 Western Zone Age Group Championships
50 Butterfly LCM 30.13 flying 200 Medley Relay (leg 3) 2026-07-17 2026 UTAGS LC 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 11-12 · LCM

4442 points (5/5 events)

EventTime Points
400 FR LCM 5:01.34 853
100 BK LCM 1:08.89 1066
100 BR LCM 1:27.10 745
100 FL LCM 1:10.13 903
200 IM LCM 2:37.42 875

IMR 11-12 · LCM

4509 points (5/5 events)

EventTime Points
200 FR LCM 2:22.72 834
50 BK LCM 32.42 1015
50 BR LCM 38.11 849
50 FL LCM 30.96 936
200 IM LCM 2:37.42 875

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

PR splits

100 Freestyle SCY 56.07

27.19
28.88

Front half 27.19s · back half 28.88s

200 Freestyle SCY 2:06.85

29.06
32.95
33.63
31.21

Front half 62.01s · back half 64.84s

500 Freestyle SCY 5:51.79

31.18
33.45
34.82
36.00
36.29
37.45
36.50
36.56
35.83
33.71

Front half 171.74s · back half 180.05s

1650 Freestyle SCY 20:46.04

33.94
37.21
38.03
38.38
39.12
39.02
39.29
39.24
38.44
38.89
38.54
38.85
38.67
37.98
38.12
38.01
37.06
37.31
38.25
37.57
37.99
37.56
37.72
37.31
37.74
37.36
37.39
37.55
37.35
37.24
37.01
33.51
38.39

100 Backstroke SCY 1:02.02

30.48
31.54

Front half 30.48s · back half 31.54s

200 Backstroke SCY 2:13.44

31.63
33.88
34.44
33.49

Front half 65.51s · back half 67.93s

100 Breaststroke SCY 1:17.80

37.66
40.14

Front half 37.66s · back half 40.14s

200 Breaststroke SCY 2:42.49

36.72
40.42
41.78
43.57

Front half 77.14s · back half 85.35s

100 Butterfly SCY 1:08.47

31.19
37.28

Front half 31.19s · back half 37.28s

200 Butterfly SCY 2:41.15

33.52
38.98
44.55
44.10

Front half 72.50s · back half 88.65s

100 Individual Medley SCY 1:04.56

29.69
34.87

Front half 29.69s · back half 34.87s

200 Individual Medley SCY 2:24.43

30.29
36.16
43.05
34.93

Front half 66.45s · back half 77.98s

400 Individual Medley SCY 5:20.91

33.40
37.76
41.62
41.40
44.51
45.73
40.08
36.41

Front half 154.18s · back half 166.73s

100 Freestyle LCM 1:02.07

30.06
32.01

Front half 30.06s · back half 32.01s

200 Freestyle LCM 2:22.72

33.33
35.65
38.19
35.55

Front half 68.98s · back half 73.74s

400 Freestyle LCM 5:01.34

34.02
37.52
38.64
38.87
38.97
39.14
38.36
35.82

Front half 149.05s · back half 152.29s

200 Backstroke LCM 2:28.28

34.91
37.25
38.43
37.69

Front half 72.16s · back half 76.12s

100 Breaststroke LCM 1:27.10

41.88
45.22

Front half 41.88s · back half 45.22s

200 Breaststroke LCM 3:05.20

41.48
47.33
48.28
48.11

Front half 88.81s · back half 96.39s

100 Butterfly LCM 1:10.13

32.95
37.18

Front half 32.95s · back half 37.18s

200 Individual Medley LCM 2:37.42

31.91
40.81
46.79
37.91

Front half 72.72s · back half 84.70s

400 Individual Medley LCM 5:49.42

33.35
37.61
48.65
46.88
49.99
50.70
42.68
39.56

Front half 166.49s · back half 182.93s

Reaction time

fastest 0.60s average 0.600s slowest 0.60s 1 electronic start

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.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

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

25 Freestyle SCY 26.02 1 swim
50 Freestyle SCY 25.67 29 swims
100 Freestyle SCY 56.07 20 swims
200 Freestyle SCY 2:06.85 8 swims
500 Freestyle SCY 5:51.79 8 swims
1650 Freestyle SCY 20:46.04 1 swim
25 Backstroke SCY 28.41 1 swim
50 Backstroke SCY 29.62 23 swims
100 Backstroke SCY 1:02.02 11 swims
200 Backstroke SCY 2:13.44 4 swims
25 Breaststroke SCY 31.40 1 swim
50 Breaststroke SCY 36.15 14 swims
100 Breaststroke SCY 1:17.80 13 swims
200 Breaststroke SCY 2:42.49 4 swims
25 Butterfly SCY 27.84 1 swim
50 Butterfly SCY 30.12 24 swims
100 Butterfly SCY 1:08.47 13 swims
200 Butterfly SCY 2:41.15 1 swim
100 Individual Medley SCY 1:04.56 19 swims
200 Individual Medley SCY 2:24.43 13 swims
400 Individual Medley SCY 5:20.91 1 swim
50 Freestyle LCM 29.00 19 swims
100 Freestyle LCM 1:02.07 20 swims
200 Freestyle LCM 2:22.72 12 swims
400 Freestyle LCM 5:01.34 5 swims
50 Backstroke LCM 32.42 27 swims
100 Backstroke LCM 1:08.89 19 swims
200 Backstroke LCM 2:28.28 12 swims
50 Breaststroke LCM 38.11 16 swims
100 Breaststroke LCM 1:27.10 7 swims
200 Breaststroke LCM 3:05.20 3 swims
50 Butterfly LCM 30.96 31 swims
100 Butterfly LCM 1:10.13 20 swims
200 Individual Medley LCM 2:37.42 13 swims
400 Individual Medley LCM 5:49.42 2 swims