Sydney Yamamoto

Fage 18HIMTPNAAAMILI

148 plausible swims · 31 meets · 2022-02-26 → 2025-06-20

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 27.94 BB+0.95s to A·+1.85s to Sectionals 2025-04-26 43rd Annual Harry Mamizuka Invitational
100 Freestyle SCY 1:00.52 BB+1.93s to A·+4.03s to Sectionals 2024-12-07 2024 44th Annual Ken Suenaga Invitationsl
200 Freestyle SCY 2:06.12 A+4.03s to AA·+3.73s to Sectionals 2024-11-15 HISI Senior Fall Championship (SCY)
500 Freestyle SCY 5:35.92 A+8.83s to AA·+6.53s to Sectionals 2025-03-20 2025 Northwest Region Age Group Regionals
1000 Freestyle SCY 12:12.06 BB+16.87s to A·+47.87s to Sectionals 2024-11-04 1576469
1650 Freestyle SCY 20:21.70 BB+42.81s to A·+75.01s to Sectionals 2022-10-09 Oahu Distance Meetvenue
50 Backstroke SCY 34.15 B+1.76s to BB·+7.86s to Futures 2024-01-14 2024-HI- Oahu ABC Meet
100 Backstroke SCY 1:11.28 B+2.19s to BB·+9.89s to Sectionals 2024-10-26 24th Annual Bill Smith Invitational
200 Backstroke SCY 2:31.42 B+1.23s to BB·+18.13s to Sectionals 2023-04-30 41st Annual Harry Mamizuka Invitationalvenue
100 Breaststroke SCY 1:11.79 A+1.80s to AA·+1.20s to Sectionals 2024-03-22 2024 Northwest Region Age Group Regionalsvenue
200 Breaststroke SCY 2:32.85 A+0.96s to AA·+0.06s to Sectionals 2023-02-19 2023 HI Hawaiian Swimming SCY AGChampsvenue
100 Butterfly SCY 1:09.98 B+1.39s to BB·+8.89s to Sectionals 2023-04-30 41st Annual Harry Mamizuka Invitationalvenue
200 Butterfly SCY 2:28.16 BB+7.97s to A·+11.97s to Sectionals 2023-02-19 2023 HI Hawaiian Swimming SCY AGChampsvenue
200 Individual Medley SCY 2:21.39 A+4.90s to AA·+4.90s to Sectionals 2023-02-18 2023 HI Hawaiian Swimming SCY AGChampsvenue
400 Individual Medley SCY 5:07.66 BB+4.27s to A·+16.07s to Sectionals 2024-01-14 2024-HI- Oahu ABC Meet
50 Freestyle LCM 31.65 BB+0.66s to A·+2.06s to Sectionals 2025-01-01 1646543
100 Freestyle LCM 1:08.95 BB+1.96s to A·+4.56s to Sectionals 2025-05-24 Oahu A+ Meet
200 Freestyle LCM 2:27.37 BB+2.28s to A·+8.38s to Sectionals 2025-01-01 1646543
400 Freestyle LCM 5:04.07 A+10.68s to AA·+12.28s to Sectionals 2024-01-01 1526680
50 Backstroke LCM 41.09 B+2.30s to BB·+10.20s to Futures 2025-06-20 2025 Long Course Senior Championships
100 Backstroke LCM 1:24.43 B+4.04s to BB·+13.04s to Sectionals 2024-01-01 1526680
200 Backstroke LCM 3:00.70 B+6.11s to BB·+27.31s to Sectionals 2024-01-01 1526680
50 Breaststroke LCM 41.68 BB+2.09s to A·+6.89s to Futures 2025-01-01 1646543
100 Breaststroke LCM 1:23.10 A+2.31s to AA·+2.11s to Sectionals 2024-01-01 1526680
200 Breaststroke LCM 3:01.87 A+5.48s to AA·+7.01s to Sectionals 2022-06-26 2022 HI Long Course Senior Championshipsvenue
50 Butterfly LCM 37.03 B+1.04s to BB·+7.54s to Futures 2025-06-20 2025 Long Course Senior Championships
100 Butterfly LCM 1:19.54 B+1.35s to BB·+10.25s to Sectionals 2024-01-01 1526680
200 Butterfly LCM 2:57.86 B+4.87s to BB·+23.57s to Sectionals 2024-01-01 1526680
200 Individual Medley LCM 2:43.88 BB+0.89s to A·+6.89s to Sectionals 2024-01-01 1526680
400 Individual Medley LCM 5:47.41 A+13.62s to AA·+14.92s to Sectionals 2024-06-21 2024 Long Course Senior Championships

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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 26.94 flying 200 Medley Relay (leg 4) 2023-04-30 41st Annual Harry Mamizuka Invitational
50 Backstroke SCY 34.29 flat 200 Medley Relay 2023-10-29 2023 HI 23rd Annual Bill Smith Invitational
50 Breaststroke SCY 33.26 flying 200 Medley Relay (leg 2) 2024-03-22 2024 Northwest Region Age Group Regionals
100 Breaststroke SCY 1:12.92 flying 400 Medley Relay (leg 2) 2023-02-17 2023 HI Hawaiian Swimming SCY AGChamps

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 17-18 · SCY

3758 points (6/6 events)

EventTime Points
500 FR SCY 5:35.92 693
200 BK SCY 2:31.42 486
200 BR SCY 2:32.85 743
200 FL SCY 2:28.16 559
200 IM SCY 2:21.39 653
400 IM SCY 5:07.66 624

IMR 17-18 · SCY

2966 points (5/5 events)

EventTime Points
200 FR SCY 2:06.12 670
100 BK SCY 1:11.28 459
100 BR SCY 1:11.79 694
100 FL SCY 1:09.98 490
200 IM SCY 2:21.39 653

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

PR splits

200 Freestyle SCY 2:06.12 split/total mismatch

30.01
31.88
32.37
31.86

500 Freestyle SCY 5:35.92

30.30
32.63
33.64
33.81
34.21
34.07
34.28
34.53
34.38
34.07

Front half 164.59s · back half 171.33s

1650 Freestyle SCY 20:21.70

32.68
35.45
36.33
37.09
37.21
37.21
37.27
37.22
37.25
37.07
37.10
37.53
36.89
37.51
37.98
37.54
37.95
37.89
37.58
37.58
37.28
37.42
37.79
37.82
37.50
37.41
37.41
37.25
36.95
36.59
36.58
36.30
35.07

100 Backstroke SCY 1:11.28 split/total mismatch

35.02
1.24

Front half 35.02s · back half 36.26s

200 Backstroke SCY 2:31.42

36.78
37.70
38.67
38.27

Front half 74.48s · back half 76.94s

100 Breaststroke SCY 1:11.79

33.82
37.97

Front half 33.82s · back half 37.97s

200 Breaststroke SCY 2:32.85

35.13
38.59
39.37
39.76

Front half 73.72s · back half 79.13s

100 Butterfly SCY 1:09.98

33.80
36.18

Front half 33.80s · back half 36.18s

200 Butterfly SCY 2:28.16

32.29
36.35
39.08
40.44

Front half 68.64s · back half 79.52s

200 Individual Medley SCY 2:21.39

30.84
36.78
40.45
33.32

Front half 67.62s · back half 73.77s

400 Freestyle LCM 5:04.07 split/total mismatch

73.37
77.61
77.55
75.54

200 Backstroke LCM 3:00.70 split/total mismatch

89.65
1.40

Front half 89.65s · back half 91.05s

200 Breaststroke LCM 3:01.87

88.16
93.71

Front half 88.16s · back half 93.71s

200 Butterfly LCM 2:57.86 split/total mismatch

82.80
12.26

Front half 82.80s · back half 95.06s

200 Individual Medley LCM 2:43.88 split/total mismatch

81.20
1.48

Front half 81.20s · back half 82.68s

400 Individual Medley LCM 5:47.41 split/total mismatch

82.48
93.28
95.15
76.50

Reaction time

fastest 0.41s average 0.460s slowest 0.51s 2 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.

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.

50 Freestyle SCY 27.94 6 swims
100 Freestyle SCY 1:00.52 8 swims
200 Freestyle SCY 2:06.12 9 swims
500 Freestyle SCY 5:35.92 7 swims
1000 Freestyle SCY 12:12.06 1 swim
1650 Freestyle SCY 20:21.70 1 swim
50 Backstroke SCY 34.15 1 swim
100 Backstroke SCY 1:11.28 4 swims
200 Backstroke SCY 2:31.42 5 swims
100 Breaststroke SCY 1:11.79 21 swims
200 Breaststroke SCY 2:32.85 18 swims
100 Butterfly SCY 1:09.98 4 swims
200 Butterfly SCY 2:28.16 4 swims
200 Individual Medley SCY 2:21.39 16 swims
400 Individual Medley SCY 5:07.66 1 swim
50 Freestyle LCM 31.65 4 swims
100 Freestyle LCM 1:08.95 1 swim
200 Freestyle LCM 2:27.37 3 swims
400 Freestyle LCM 5:04.07 5 swims
50 Backstroke LCM 41.09 1 swim
100 Backstroke LCM 1:24.43 1 swim
200 Backstroke LCM 3:00.70 1 swim
50 Breaststroke LCM 41.68 1 swim
100 Breaststroke LCM 1:23.10 7 swims
200 Breaststroke LCM 3:01.87 6 swims
50 Butterfly LCM 37.03 1 swim
100 Butterfly LCM 1:19.54 1 swim
200 Butterfly LCM 2:57.86 1 swim
200 Individual Medley LCM 2:43.88 6 swims
400 Individual Medley LCM 5:47.41 3 swims