Alyssa Yokoyama

Fage 18CAIEMTNMUTCANYROSESCSUNUN-14UN-2

142 plausible swims · 22 meets · 2021-04-30 → 2025-07-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.99	AA+0.20s to AAA	2021-12-04	2021 Dixie Stampede Winter Champs venue
100 Freestyle	SCY	54.68	AA+0.89s to AAA	2021-05-02	2021 UT Red Cliffs Swim Classic venue
200 Freestyle	SCY	1:57.61	AA+0.82s to AAA	2024-09-28	2024 CA LKWD September Closed Invite slow pool
100 Backstroke	SCY	54.79	AAAA	2024-11-09	2024 Legends of Coaching Series-Kevin Perry venue
200 Backstroke	SCY	2:00.56	AAAA	2025-05-13	2025 Rose Post CIF Closed Invitational venue
100 Breaststroke	SCY	1:04.78	AAA+0.89s to AAAA	2025-02-27	2025 RBAC March Madness Spring Championship venue
200 Breaststroke	SCY	2:19.95	AAA+1.26s to AAAA	2025-02-28	2025 RBAC March Madness Spring Championship venue
100 Butterfly	SCY	58.37	AA+0.38s to AAA	2024-11-09	2024 Legends of Coaching Series-Kevin Perry venue
200 Individual Medley	SCY	2:05.14	AAA+0.55s to AAAA	2024-11-08	2024 Legends of Coaching Series-Kevin Perry venue
400 Individual Medley	SCY	4:25.18	AAAA	2025-05-14	2025 Rose Post CIF Closed Invitational venue
50 Freestyle	LCM	28.58	AA+0.19s to AAA	2025-06-15	2025 CA SCS RAA June Age Group Championships venue
100 Freestyle	LCM	1:01.03	AAA+2.44s to AAAA	2025-06-13	2025 CA SCS RAA June Age Group Championships venue
200 Freestyle	LCM	2:13.35	AA+0.36s to AAA	2025-06-12	2025 CA SCS RAA June Age Group Championships venue
50 Backstroke	LCM	30.69	AAAA	2025-07-23	USA Swimming Futures Sacramento 2025
100 Backstroke	LCM	1:05.75	AAA+0.86s to AAAA	2025-07-11	2025 LAI Entries venue
200 Backstroke	LCM	2:22.67	AAA+1.58s to AAAA	2024-07-25	2024 CA SCS/ BREA Summer A/G Champs slow pool
50 Breaststroke	LCM	37.75	AA+1.46s to AAA	2025-07-26	USA Swimming Futures Sacramento 2025 venue
100 Breaststroke	LCM	1:17.10	AAA+3.41s to AAAA	2025-04-13	2025 CA MVN Fran Crippen SMOC venue
200 Breaststroke	LCM	2:45.64	AAA+4.55s to AAAA	2025-04-11	2025 CA MVN Fran Crippen SMOC venue
100 Butterfly	LCM	1:10.30	A+1.11s to AA	2025-06-12	2025 CA SCS RAA June Age Group Championships venue
200 Individual Medley	LCM	2:25.83	AAA+3.14s to AAAA	2024-07-27	2024 CA SCS/ BREA Summer A/G Champs slow pool
400 Individual Medley	LCM	5:22.35	AA+3.06s to AAA	2025-05-24	2025 CA 29th NOVA-Speedo Grand Challenge venue

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

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

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	25.04	flat	200 Free Relay	2021-12-03	2021 Dixie Stampede Winter Champs
100 Freestyle	SCY	56.39	flying	400 Free Relay (leg 4)	2021-12-05	2021 Dixie Stampede Winter Champs
50 Backstroke	SCY	26.71	flat	200 Medley Relay	2021-12-04	2021 Dixie Stampede Winter Champs

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

3849 points (4/6 events — incomplete)

Event	Time	Points
200 BK SCY	2:00.56	963
200 BR SCY	2:19.95	969
200 IM SCY	2:05.14	942
400 IM SCY	4:25.18	975
500 FR SCY	—	0
200 FL SCY	—	0

IMR 17-18 · SCY

4568 points (5/5 events)

Event	Time	Points
200 FR SCY	1:57.61	826
100 BK SCY	54.79	1010
100 BR SCY	1:04.78	945
100 FL SCY	58.37	845
200 IM SCY	2:05.14	942

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

PR splits

100 Freestyle SCY 54.68

26.43

28.25

Front half 26.43s · back half 28.25s

200 Freestyle SCY 1:57.61

28.27

29.94

29.75

29.65

Front half 58.21s · back half 59.40s

100 Backstroke SCY 54.79

26.39

28.40

Front half 26.39s · back half 28.40s

200 Backstroke SCY 2:00.56

27.83

29.82

31.24

31.67

Front half 57.65s · back half 62.91s

100 Breaststroke SCY 1:04.78

30.76

34.02

Front half 30.76s · back half 34.02s

200 Breaststroke SCY 2:19.95

31.36

35.31

36.32

36.96

Front half 66.67s · back half 73.28s

100 Butterfly SCY 58.37

27.19

31.18

Front half 27.19s · back half 31.18s

200 Individual Medley SCY 2:05.14

26.88

30.22

37.95

30.09

Front half 57.10s · back half 68.04s

400 Individual Medley SCY 4:25.18

28.70

32.33

33.09

32.25

37.95

38.32

32.09

30.45

Front half 126.37s · back half 138.81s

100 Freestyle LCM 1:01.03

29.37

31.66

Front half 29.37s · back half 31.66s

200 Freestyle LCM 2:13.35

31.59

33.73

34.64

33.39

Front half 65.32s · back half 68.03s

100 Backstroke LCM 1:05.75

31.92

33.83

Front half 31.92s · back half 33.83s

200 Backstroke LCM 2:22.67 RT 0.73s

32.76

35.00

37.21

37.70

Front half 67.76s · back half 74.91s

100 Breaststroke LCM 1:17.10

36.66

40.44

Front half 36.66s · back half 40.44s

200 Breaststroke LCM 2:45.64

38.11

41.78

42.82

42.93

Front half 79.89s · back half 85.75s

100 Butterfly LCM 1:10.30

33.24

37.06

Front half 33.24s · back half 37.06s

200 Individual Medley LCM 2:25.83 RT 0.64s

30.76

35.62

45.14

34.31

Front half 66.38s · back half 79.45s

400 Individual Medley LCM 5:22.35

32.73

38.97

39.46

38.49

48.04

49.20

38.81

36.65

Front half 149.65s · back half 172.70s

Reaction time

fastest 0.64s average 0.681s slowest 0.74s 7 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 24.99 5 swims

100 Freestyle SCY 54.68 2 swims

200 Freestyle SCY 1:57.61 3 swims

100 Backstroke SCY 54.79 8 swims

200 Backstroke SCY 2:00.56 11 swims

100 Breaststroke SCY 1:04.78 4 swims

200 Breaststroke SCY 2:19.95 5 swims

100 Butterfly SCY 58.37 4 swims

200 Individual Medley SCY 2:05.14 10 swims

400 Individual Medley SCY 4:25.18 2 swims

50 Freestyle LCM 28.58 3 swims

100 Freestyle LCM 1:01.03 4 swims

200 Freestyle LCM 2:13.35 2 swims

50 Backstroke LCM 30.69 11 swims

100 Backstroke LCM 1:05.75 19 swims

200 Backstroke LCM 2:22.67 14 swims

50 Breaststroke LCM 37.75 2 swims

100 Breaststroke LCM 1:17.10 12 swims

200 Breaststroke LCM 2:45.64 7 swims

100 Butterfly LCM 1:10.30 3 swims

200 Individual Medley LCM 2:25.83 10 swims

400 Individual Medley LCM 5:22.35 1 swim