Jacob Yamamoto

Mage 16UTCSCUNUN$UNAUNAT

308 plausible swims · 66 meets · 2021-05-28 → 2026-06-06

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.12 A+0.73s to AA 2026-02-20 2026 CSC Final Countdown venue
100 Freestyle SCY 52.18 A+0.89s to AA 2026-02-21 2026 CSC Final Countdown venue
200 Freestyle SCY 1:54.95 A+2.96s to AA 2026-02-20 2026 CSC Final Countdown venue
500 Freestyle SCY 5:23.79 BB+6.30s to A 2025-12-12 Wasatch Winter Invite OBS venue
1000 Freestyle SCY 12:04.54 B+7.85s to BB 2025-02-20 2025 CSC Final Countdown venue
1650 Freestyle SCY 20:22.93 B+28.24s to BB 2025-01-18 Stingrays Snowmelt Classic - Jan 2025 venue
50 Backstroke SCY 28.90 BB+1.61s to A Wasatch Winter Invite 24 venue
100 Backstroke SCY 1:00.60 BB+2.51s to A 2026-02-20 2026 CSC Final Countdown venue
200 Backstroke SCY 2:16.16 BB+8.87s to A 2025-01-31 2025 UVRays Heart Attack Open venue
50 Breaststroke SCY 43.26 +6.57s to B 2022-12-21 2022 CSC December Developmental slow pool
100 Breaststroke SCY 1:07.39 BB+1.40s to A 2026-01-31 2026 UT Region 9 OBS fast pool
200 Breaststroke SCY 2:29.32 BB+6.13s to A 2025-12-04 2025 UT SC Senior Championships fast pool
50 Butterfly SCY 28.90 BB+1.71s to A 2025-09-10 2025 CSC September Intrasquad venue
100 Butterfly SCY 1:01.28 BB+3.59s to A 2026-02-21 2026 CSC Final Countdown venue
100 Individual Medley SCY 1:15.95 2022-12-21 2022 CSC December Developmental slow pool
200 Individual Medley SCY 2:10.43 BB+0.74s to A 2026-01-31 2026 UT Region 9 OBS fast pool
400 Individual Medley SCY 5:05.40 B+4.61s to BB 2025-10-25 Stingrays Spooktacular - Oct 2025 venue
50 Freestyle LCM 27.15 A+0.06s to AA 2026-01-01 Apr
100 Freestyle LCM 1:00.72 A+1.73s to AA 2026-06-05 2026 Utah Summer Games LCM - copied venue
200 Freestyle LCM 2:16.85 BB+2.06s to A 2026-01-01 Apr
400 Freestyle LCM 4:59.93 BB+12.34s to A 2026-05-08 2026 CSC May Intrasquad venue
50 Backstroke LCM 33.29 BB+0.80s to A 2026-06-05 2026 Utah Summer Games LCM - copied venue
100 Backstroke LCM 1:12.13 BB+4.04s to A 2026-01-01 Apr
200 Backstroke LCM 2:41.54 B+1.55s to BB 2026-01-01 Apr
50 Breaststroke LCM 37.92 BB+2.03s to A 2026-05-09 2026 CSC May Intrasquad venue
100 Breaststroke LCM 1:23.22 BB+6.23s to A 2026-05-22 Stingrays Swimvitational venue
200 Breaststroke LCM 3:00.28 BB+12.79s to A 2026-05-09 2026 CSC May Intrasquad venue
50 Butterfly LCM 30.22 A+0.73s to AA 2026-06-06 2026 Utah Summer Games LCM - copied venue
100 Butterfly LCM 1:12.90 B+1.41s to BB 2026-06-06 2026 Utah Summer Games LCM - copied venue
200 Butterfly LCM 3:03.40 +11.11s to B 2026-05-22 Stingrays Swimvitational venue
200 Individual Medley LCM 2:37.08 BB+5.79s to A 2026-05-23 Stingrays Swimvitational venue
400 Individual Medley LCM 5:55.42 B+6.13s to BB 2026-05-09 2026 CSC May Intrasquad venue

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 27.77 flat 200 Free Relay 2024-01-19 Stingrays Snowmelt Classic - Jan 2024
50 Freestyle SCY 23.08 flying 200 Free Relay (leg 4) 2025-12-05 2025 UT SC Senior Championships
50 Freestyle SCY 24.80 flying 200 Medley Relay (leg 4) 2024-10-26 Stingrays Spooktacular - Oct 2024
100 Freestyle SCY 1:01.58 flat 400 Free Relay 2023-10-27 SUSA Spooktakular - Oct 2023
100 Freestyle SCY 51.15 flying 400 Free Relay (leg 3) 2025-10-24 Stingrays Spooktacular - Oct 2025
50 Backstroke SCY 30.16 flat 200 Medley Relay 2024-03-01 2024 UTAGS Short Course Championships
100 Backstroke SCY 1:11.32 flat 400 Medley Relay 2022-12-03 2022 Winter Stampede Championship
50 Breaststroke SCY 41.81 flying 200 Medley Relay (leg 2) 2022-03-04 2022 UT SC Age Group Championship
50 Freestyle LCM 35.39 flying 200 Free Relay (leg 2) 2022-08-05 2022 Utah Beehive LC Finale
100 Freestyle LCM 1:22.53 flying 400 Free Relay (leg 2) 2022-08-06 2022 Utah Beehive LC Finale

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 · LCM

3057 points (6/6 events)

EventTime Points
400 FR LCM 4:59.93 583
200 BK LCM 2:41.54 511
200 BR LCM 3:00.28 529
200 FL LCM 3:03.40 346
200 IM LCM 2:37.08 594
400 IM LCM 5:55.42 494

IMR 15-16 · SCY

3119 points (5/5 events)

EventTime Points
200 FR SCY 1:54.95 698
100 BK SCY 1:00.60 585
100 BR SCY 1:07.39 627
100 FL SCY 1:01.28 556
200 IM SCY 2:10.43 653

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

PR splits

100 Freestyle SCY 52.18

24.78
27.40

Front half 24.78s · back half 27.40s

200 Freestyle SCY 1:54.95

25.97
28.75
29.78
30.45

Front half 54.72s · back half 60.23s

500 Freestyle SCY 5:23.79

27.14
29.71
31.28
31.96
32.71
33.74
33.92
34.40
34.84
34.09

Front half 152.80s · back half 170.99s

1000 Freestyle SCY 12:04.54

30.21
34.17
34.73
35.58
35.47
35.69
36.21
36.98
37.56
37.21
37.33
37.31
37.79
37.86
38.15
37.25
37.10
35.92
36.19
35.83

Front half 353.81s · back half 370.73s

1650 Freestyle SCY 20:22.93

30.05
33.02
34.87
36.83
36.55
36.95
37.31
36.97
37.01
37.36
37.18
37.65
36.93
37.91
38.34
37.76
38.27
38.32
38.01
38.52
37.49
38.69
38.05
38.65
37.65
38.29
36.66
37.79
38.33
36.25
37.54
37.65
34.08

100 Backstroke SCY 1:00.60

28.77
31.83

Front half 28.77s · back half 31.83s

200 Backstroke SCY 2:16.16

30.34
34.06
35.83
35.93

Front half 64.40s · back half 71.76s

100 Breaststroke SCY 1:07.39

31.64
35.75

Front half 31.64s · back half 35.75s

200 Breaststroke SCY 2:29.32

34.00
37.84
38.61
38.87

Front half 71.84s · back half 77.48s

100 Butterfly SCY 1:01.28

28.73
32.55

Front half 28.73s · back half 32.55s

100 Individual Medley SCY 1:15.95

33.07
42.88

Front half 33.07s · back half 42.88s

200 Individual Medley SCY 2:10.43

27.28
33.40
38.10
31.65

Front half 60.68s · back half 69.75s

400 Individual Medley SCY 5:05.40

32.57
38.87
37.51
39.84
41.99
43.54
36.33
34.75

Front half 148.79s · back half 156.61s

100 Freestyle LCM 1:00.72

28.76
31.96

Front half 28.76s · back half 31.96s

200 Freestyle LCM 2:16.85 split/total mismatch

30.79
3.05
2.00
0.54

Front half 33.84s · back half 103.01s

100 Backstroke LCM 1:12.13 split/total mismatch

33.78
4.57

Front half 33.78s · back half 38.35s

200 Backstroke LCM 2:41.54 split/total mismatch

36.05
4.37
1.94
0.35

Front half 40.42s · back half 121.12s

100 Breaststroke LCM 1:23.22

39.35
43.87

Front half 39.35s · back half 43.87s

200 Breaststroke LCM 3:00.28

41.07
45.44
46.50
47.27

Front half 86.51s · back half 93.77s

100 Butterfly LCM 1:12.90

33.76
39.14

Front half 33.76s · back half 39.14s

200 Butterfly LCM 3:03.40

39.94
45.34
47.69
50.43

Front half 85.28s · back half 98.12s

200 Individual Medley LCM 2:37.08

32.79
41.40
47.22
35.67

Front half 74.19s · back half 82.89s

400 Individual Medley LCM 5:55.42

37.16
43.01
46.89
47.76
48.35
49.17
42.64
40.44

Front half 174.82s · back half 180.60s

Progression

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

50 Freestyle SCY 24.12 28 swims
100 Freestyle SCY 52.18 20 swims
200 Freestyle SCY 1:54.95 12 swims
500 Freestyle SCY 5:23.79 9 swims
1000 Freestyle SCY 12:04.54 3 swims
1650 Freestyle SCY 20:22.93 1 swim
50 Backstroke SCY 28.90 9 swims
100 Backstroke SCY 1:00.60 22 swims
200 Backstroke SCY 2:16.16 8 swims
50 Breaststroke SCY 43.26 4 swims
100 Breaststroke SCY 1:07.39 18 swims
200 Breaststroke SCY 2:29.32 7 swims
50 Butterfly SCY 28.90 7 swims
100 Butterfly SCY 1:01.28 9 swims
100 Individual Medley SCY 1:15.95 3 swims
200 Individual Medley SCY 2:10.43 21 swims
400 Individual Medley SCY 5:05.40 3 swims
50 Freestyle LCM 27.15 18 swims
100 Freestyle LCM 1:00.72 16 swims
200 Freestyle LCM 2:16.85 11 swims
400 Freestyle LCM 4:59.93 1 swim
50 Backstroke LCM 33.29 4 swims
100 Backstroke LCM 1:12.13 14 swims
200 Backstroke LCM 2:41.54 10 swims
50 Breaststroke LCM 37.92 6 swims
100 Breaststroke LCM 1:23.22 13 swims
200 Breaststroke LCM 3:00.28 8 swims
50 Butterfly LCM 30.22 4 swims
100 Butterfly LCM 1:12.90 4 swims
200 Butterfly LCM 3:03.40 1 swim
200 Individual Medley LCM 2:37.08 9 swims
400 Individual Medley LCM 5:55.42 2 swims