Kion Sonomura

Mage 11UTOTACUVA

343 plausible swims · 82 meets · 2020-10-12 → 2026-06-30

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	26.02		2020-12-11	2020 UT OA Thanksgiving Turkey Meat slow pool
50 Freestyle	SCY	25.67	AAAA	2026-03-07	2026 SC UTAGS Championships venue
100 Freestyle	SCY	56.07	AAAA	2026-03-06	2026 SC UTAGS Championships venue
200 Freestyle	SCY	2:06.85	AAA+1.86s to AAAA	2026-01-30	2026 UVRays Heart Attack Open venue
500 Freestyle	SCY	5:51.79	AA+1.20s to AAA	2026-01-29	2026 UVRays Heart Attack Open venue
1650 Freestyle	SCY	20:46.04	AAA+51.95s to AAAA	2026-01-17	2026 UT HAST Winter Invitational venue
25 Backstroke	SCY	28.41		2020-12-11	2020 UT OA Thanksgiving Turkey Meat slow pool
50 Backstroke	SCY	29.62	AAAA	2026-03-06	2026 SC UTAGS Championships venue
100 Backstroke	SCY	1:02.02	AAAA	2026-03-05	2026 SC UTAGS Championships venue
200 Backstroke	SCY	2:13.44	AAAA	2026-03-07	2026 SC UTAGS Championships venue
25 Breaststroke	SCY	31.40		2021-11-12	2021 UT OA Thanksgiving Turkey Meat venue
50 Breaststroke	SCY	36.15	AA+0.36s to AAA	2025-10-10	2025 PC Sprints venue
100 Breaststroke	SCY	1:17.80	AA+0.51s to AAA	2026-01-07	UVRays 2026 January Intrasquad venue
200 Breaststroke	SCY	2:42.49	AAA+1.80s to AAAA	2026-03-05	2026 SC UTAGS Championships venue
25 Butterfly	SCY	27.84		2021-11-12	2021 UT OA Thanksgiving Turkey Meat venue
50 Butterfly	SCY	30.12	AAA+1.23s to AAAA	2025-10-11	2025 PC Sprints venue
100 Butterfly	SCY	1:08.47	AA+0.28s to AAA	2026-01-07	UVRays 2026 January Intrasquad venue
200 Butterfly	SCY	2:41.15	A+3.66s to AA	2025-11-12	2025 UVRays November Intrasquad venue
100 Individual Medley	SCY	1:04.56	AAAA	2026-03-07	2026 SC UTAGS Championships venue
200 Individual Medley	SCY	2:24.43	AAA+2.44s to AAAA	2026-01-31	2026 UVRays Heart Attack Open venue
400 Individual Medley	SCY	5:20.91	AA+5.42s to AAA	2025-10-23	2025 Mike Harper Open venue
50 Freestyle	LCM	29.00	AAAA	2026-06-12	2026 UT CHAT INVITATIONAL venue
100 Freestyle	LCM	1:03.08	AAAA	2026-06-29	2026 UT HAST RWB Invitational venue
200 Freestyle	LCM	2:22.72	AAA+0.33s to AAAA	2026-06-27	2026 UT HAST RWB Time Trials venue
400 Freestyle	LCM	5:01.34	AAA+0.05s to AAAA	2026-06-06	2026 UVRays Oviatt Invitational - copied fast pool
50 Backstroke	LCM	32.67	AAAA	2026-06-30	2026 UT HAST RWB Invitational venue
100 Backstroke	LCM	1:09.88	AAAA	2026-06-13	2026 UT CHAT INVITATIONAL venue
200 Backstroke	LCM	2:40.87	AAAA	2026-04-17	2026 UVRays April Tri-Meet venue
50 Breaststroke	LCM	38.67	AAAA	2026-06-29	2026 UT HAST RWB Invitational venue
100 Breaststroke	LCM	1:27.10	AAA+1.21s to AAAA	2026-06-05	2026 UVRays Oviatt Invitational - copied fast pool
200 Breaststroke	LCM	3:07.01	AAA+1.22s to AAAA	2026-06-05	2026 UVRays Oviatt Invitational - copied fast pool
50 Butterfly	LCM	31.10	AAAA	2026-06-30	2026 UT HAST RWB Invitational venue
100 Butterfly	LCM	1:12.23	AAAA	2026-06-27	2026 UT HAST RWB Time Trials venue
200 Individual Medley	LCM	2:37.42	AAAA	2026-06-13	2026 UT CHAT INVITATIONAL venue
400 Individual Medley	LCM	5:49.42	AAAA	2026-06-04	2026 UVRays Oviatt Invitational - copied fast pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.

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.

IMX / IMR

IMX 11-12 · LCM

4321 points (5/5 events)

Event	Time	Points
400 FR LCM	5:01.34	853
100 BK LCM	1:09.88	1022
100 BR LCM	1:27.10	745
100 FL LCM	1:12.23	826
200 IM LCM	2:37.42	875

IMR 11-12 · LCM

4436 points (5/5 events)

Event	Time	Points
200 FR LCM	2:22.72	834
50 BK LCM	32.67	992
50 BR LCM	38.67	812
50 FL LCM	31.10	923
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 1:03.08

30.90

32.18

Front half 30.90s · back half 32.18s

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

100 Backstroke LCM 1:09.88

34.06

35.82

Front half 34.06s · back half 35.82s

200 Backstroke LCM 2:40.87

37.19

40.44

42.49

40.75

Front half 77.63s · back half 83.24s

100 Breaststroke LCM 1:27.10

41.88

45.22

Front half 41.88s · back half 45.22s

200 Breaststroke LCM 3:07.01

42.97

45.52

49.41

49.11

Front half 88.49s · back half 98.52s

100 Butterfly LCM 1:12.23

32.34

39.89

Front half 32.34s · back half 39.89s

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.

Progression

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

25 Freestyle SCY 26.02 1 swim

50 Freestyle SCY 25.67 28 swims

100 Freestyle SCY 56.07 20 swims

200 Freestyle SCY 2:06.85 7 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 22 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 12 swims

200 Breaststroke SCY 2:42.49 4 swims

25 Butterfly SCY 27.84 1 swim

50 Butterfly SCY 30.12 23 swims

100 Butterfly SCY 1:08.47 14 swims

200 Butterfly SCY 2:41.15 1 swim

100 Individual Medley SCY 1:04.56 20 swims

200 Individual Medley SCY 2:24.43 12 swims

400 Individual Medley SCY 5:20.91 1 swim

50 Freestyle LCM 29.00 19 swims

100 Freestyle LCM 1:03.08 10 swims

200 Freestyle LCM 2:22.72 12 swims

400 Freestyle LCM 5:01.34 5 swims

50 Backstroke LCM 32.67 15 swims

100 Backstroke LCM 1:09.88 8 swims

200 Backstroke LCM 2:40.87 1 swim

50 Breaststroke LCM 38.67 14 swims

100 Breaststroke LCM 1:27.10 7 swims

200 Breaststroke LCM 3:07.01 2 swims

50 Butterfly LCM 31.10 19 swims

100 Butterfly LCM 1:12.23 10 swims

200 Individual Medley LCM 2:37.42 13 swims

400 Individual Medley LCM 5:49.42 2 swims