Kai Yamamoto

Mage 14IEMTPNPRO

155 plausible swims · 30 meets · 2024-11-02 → 2026-06-30

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.18 AA+0.69s to AAA 2026-01-16 2026 PN VAST 49th Annual Washington Open- APP venue
100 Freestyle SCY 52.44 AA+1.25s to AAA 2026-03-21 2026 NW Region Age Group Champs- Approved venue
200 Freestyle SCY 1:59.80 A+2.71s to AA 2026-01-25 2026 PN Pro January Intrasquad- Approved venue
500 Freestyle SCY 5:26.12 A+9.03s to AA 2026-02-27 2026 PN February AGI, Division 2- Approved venue
1000 Freestyle SCY 11:38.65 BB+11.66s to A 2026-03-06 2026 PN PRO March Last Chance Intra- Apprived venue
1650 Freestyle SCY 19:20.69 BB+9.30s to A 2026-03-06 2026 PN PRO March Last Chance Intra- Apprived venue
50 Backstroke SCY 26.02 AAA+0.73s to AAAA 2025-12-13 2025 PN 14&Under Short Course Champs-Approved venue
100 Backstroke SCY 54.98 AAA+1.49s to AAAA 2026-03-20 2026 NW Region Age Group Champs- Approved venue
200 Backstroke SCY 2:01.67 AAA+5.28s to AAAA 2026-03-22 2026 NW Region Age Group Champs- Approved venue
50 Breaststroke SCY 35.33 BB+2.24s to A 2025-09-26 2025 Pro Season Kick-off Intrasquad slow pool
100 Breaststroke SCY 1:23.32 +2.73s to B 2025-02-01 2025 PN EAST February Invitational venue
200 Breaststroke SCY 2:43.35 B+0.56s to BB 2026-01-25 2026 PN Pro January Intrasquad- Approved venue
50 Butterfly SCY 26.90 AA+0.81s to AAA 2026-03-07 2026 PN PRO March Last Chance Intra- Apprived venue
100 Butterfly SCY 58.03 A+0.14s to AA 2026-03-22 2026 NW Region Age Group Champs- Approved venue
200 Butterfly SCY 2:22.16 BB+7.67s to A 2025-10-05 2025 PN SMAC Fall Kick-Off Invitational venue
100 Individual Medley SCY 1:03.95 2026-01-25 2026 PN Pro January Intrasquad- Approved venue
200 Individual Medley SCY 2:12.71 A+2.92s to AA 2025-11-23 2025 PN Nov. AGI, Division 2 (SMAC) venue
400 Individual Medley SCY 4:59.34 BB+9.85s to A 2025-10-04 2025 PN SMAC Fall Kick-Off Invitational venue
50 Freestyle LCM 27.38 AA+0.49s to AAA 2026-05-17 2026 PN IST Sockeye Springtime Madness App. venue
100 Freestyle LCM 1:00.81 AA+1.82s to AAA 2026-05-17 2026 PN IST Sockeye Springtime Madness App. venue
200 Freestyle LCM 2:16.50 A+1.81s to AA 2026-06-07 2026 PN VAST Summer Sprint & Dist. - Approved venue
50 Backstroke LCM 29.92 AAA+0.23s to AAAA 2026-05-17 2026 PN IST Sockeye Springtime Madness App. venue
100 Backstroke LCM 1:05.03 AAA+2.24s to AAAA 2026-05-16 2026 PN IST Sockeye Springtime Madness App. venue
200 Backstroke LCM 2:24.37 AA+1.38s to AAA 2026-06-30 2026 PN SMAC Summer Classic Invite- Approved venue
50 Breaststroke LCM 41.87 B+0.88s to BB 2025-06-22 2025 SWAT Summer Solstice venue
50 Butterfly LCM 29.11 AAA+1.12s to AAAA 2026-06-06 2026 PN VAST Summer Sprint & Dist. - Approved venue
100 Butterfly LCM 1:03.58 AA+0.49s to AAA 2026-06-30 2026 PN SMAC Summer Classic Invite- Approved venue
200 Individual Medley LCM 2:29.61 AA+5.82s to AAA 2026-06-06 2026 PN VAST Summer Sprint & Dist. - Approved 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
50 Freestyle SCY 24.00 flat 200 Free Relay 2026-03-21 2026 NW Region Age Group Champs- Approved
50 Freestyle SCY 25.40 flying 200 Free Relay (leg 4) 2025-02-01 2025 PN EAST February Invitational
100 Freestyle SCY 51.48 flying 400 Medley Relay (leg 4) 2026-03-21 2026 NW Region Age Group Champs- Approved
100 Freestyle SCY 51.46 flying 400 Free Relay (leg 4) 2026-03-19 2026 NW Region Age Group Champs- Approved
50 Backstroke SCY 26.12 flat 200 Medley Relay 2026-03-20 2026 NW Region Age Group Champs- Approved
100 Freestyle LCM 1:04.17 flying 400 Free Relay (leg 4) 2025-06-22 2025 SWAT Summer Solstice

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 · SCY

3963 points (6/6 events)

EventTime Points
500 FR SCY 5:26.12 698
200 BK SCY 2:01.67 866
200 BR SCY 2:43.35 518
200 FL SCY 2:22.16 565
200 IM SCY 2:12.71 711
400 IM SCY 4:59.34 605

IMR 13-14 · SCY

3478 points (5/5 events)

EventTime Points
200 FR SCY 1:59.80 710
100 BK SCY 54.98 920
100 BR SCY 1:23.32 380
100 FL SCY 58.03 757
200 IM SCY 2:12.71 711

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

PR splits

100 Freestyle SCY 52.44 RT 0.76s

25.19
27.25

Front half 25.19s · back half 27.25s

200 Freestyle SCY 1:59.80

26.94
30.19
31.28
31.39

Front half 57.13s · back half 62.67s

500 Freestyle SCY 5:26.12

28.42
31.89
32.65
33.27
33.92
34.09
34.47
33.87
31.74
31.80

Front half 160.15s · back half 165.97s

1650 Freestyle SCY 19:20.69

28.88
32.66
33.99
34.02
35.26
35.42
34.74
35.40
34.81
34.64
29.10
41.03
35.45
36.26
35.53
36.30
36.70
36.64
35.45
36.37
36.00
37.05
34.97
36.70
35.96
36.23
36.39
36.68
35.19
35.83
33.92
34.84
32.28

100 Backstroke SCY 54.98 RT 0.76s

26.72
28.26

Front half 26.72s · back half 28.26s

200 Backstroke SCY 2:01.67 RT 1.04s

28.18
30.92
31.48
31.09

Front half 59.10s · back half 62.57s

100 Breaststroke SCY 1:23.32

38.56
44.76

Front half 38.56s · back half 44.76s

200 Breaststroke SCY 2:43.35

35.66
41.22
43.15
43.32

Front half 76.88s · back half 86.47s

100 Butterfly SCY 58.03 RT 0.69s

26.97
31.06

Front half 26.97s · back half 31.06s

200 Butterfly SCY 2:22.16

29.38
35.66
38.66
38.46

Front half 65.04s · back half 77.12s

100 Individual Medley SCY 1:03.95

28.44
35.51

Front half 28.44s · back half 35.51s

200 Individual Medley SCY 2:12.71

27.84
31.93
42.70
30.24

Front half 59.77s · back half 72.94s

400 Individual Medley SCY 4:59.34

29.76
35.80
36.69
35.75
47.09
47.48
34.84
31.93

Front half 138.00s · back half 161.34s

200 Freestyle LCM 2:16.50

65.58
70.92

Front half 65.58s · back half 70.92s

200 Backstroke LCM 2:24.37

34.19
37.23
37.29
35.66

Front half 71.42s · back half 72.95s

100 Butterfly LCM 1:03.58 RT 0.71s

29.78
33.80

Front half 29.78s · back half 33.80s

200 Individual Medley LCM 2:29.61 RT 0.69s· 22.5 min after 50 Butterfly

69.48
80.13

Front half 69.48s · back half 80.13s

Reaction time

fastest 0.37s average 0.730s slowest 1.04s 49 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 24.18 12 swims
100 Freestyle SCY 52.44 17 swims
200 Freestyle SCY 1:59.80 6 swims
500 Freestyle SCY 5:26.12 4 swims
1000 Freestyle SCY 11:38.65 1 swim
1650 Freestyle SCY 19:20.69 1 swim
50 Backstroke SCY 26.02 12 swims
100 Backstroke SCY 54.98 23 swims
200 Backstroke SCY 2:01.67 9 swims
50 Breaststroke SCY 35.33 4 swims
100 Breaststroke SCY 1:23.32 3 swims
200 Breaststroke SCY 2:43.35 1 swim
50 Butterfly SCY 26.90 5 swims
100 Butterfly SCY 58.03 10 swims
200 Butterfly SCY 2:22.16 2 swims
100 Individual Medley SCY 1:03.95 5 swims
200 Individual Medley SCY 2:12.71 6 swims
400 Individual Medley SCY 4:59.34 1 swim
50 Freestyle LCM 27.38 6 swims
100 Freestyle LCM 1:00.81 3 swims
200 Freestyle LCM 2:16.50 3 swims
50 Backstroke LCM 29.92 5 swims
100 Backstroke LCM 1:05.03 5 swims
200 Backstroke LCM 2:24.37 5 swims
50 Breaststroke LCM 41.87 1 swim
50 Butterfly LCM 29.11 2 swims
100 Butterfly LCM 1:03.58 1 swim
200 Individual Medley LCM 2:29.61 2 swims