Riku Nakajima

Mage 16CABCACITITORRUN-03UN2

58 plausible swims · 16 meets · 2025-05-31 → 2026-06-06

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 27.79 B+1.40s to BB 2026-02-01 BCA Winter Heats venue
100 Freestyle SCY 1:01.55 B+3.66s to BB 2025-09-20 2025 TSM Aquatics Season Opener venue
200 Freestyle SCY 2:16.40 +0.11s to B 2025-11-16 BCA Fall Festival venue
50 Backstroke SCY 32.87 +1.08s to B 2026-02-28 2026 Pacific Committee SC Chmpionship venue
50 Breaststroke SCY 33.33 BB+1.84s to A 2026-03-01 2026 Pacific Committee SC Chmpionship venue
100 Breaststroke SCY 1:16.91 B+5.42s to BB 2025-11-16 BCA Fall Festival venue
50 Butterfly SCY 30.34 B+0.85s to BB 2026-02-27 2026 Pacific Committee SC Chmpionship venue
100 Butterfly SCY 1:10.40 +3.11s to B 2026-01-31 BCA Winter Heats venue
100 Individual Medley SCY 1:12.69 2025-09-14 BCA Fall Intersquad venue
50 Freestyle LCM 32.61 B+2.02s to BB 2026-03-28 2026 SGAC March LC Meet venue
100 Freestyle LCM 1:13.03 +1.14s to B 2025-05-31 CITI Summer Sizzler venue
200 Freestyle LCM 2:46.00 +8.71s to B 2026-04-12 Royal Swim Team LCM April Swim Craft slow pool
50 Backstroke LCM 38.94 +1.05s to B 2026-04-12 Royal Swim Team LCM April Swim Craft slow pool
200 Backstroke LCM 3:10.81 +18.52s to B 2026-05-17 2026 SGAC May LC Meet venue
50 Breaststroke LCM 38.99 B+0.10s to BB 2026-03-28 2026 SGAC March LC Meet venue
100 Breaststroke LCM 1:28.29 B+4.80s to BB 2026-06-06 2026 BCA June LC Meet venue
200 Breaststroke LCM 3:18.15 +2.76s to B 2026-05-17 2026 SGAC May LC Meet venue
100 Butterfly LCM 1:20.30 +3.31s to B 2026-03-28 2026 SGAC March LC Meet venue
200 Individual Medley LCM 3:02.39 +5.90s to B 2026-05-17 2026 SGAC May LC Meet 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.

IMX / IMR

IMX 15-16 · LCM

1088 points (3/6 events — incomplete)

EventTime Points
200 BK LCM 3:10.81 310
200 BR LCM 3:18.15 399
200 IM LCM 3:02.39 379
400 FR LCM 0
200 FL LCM 0
400 IM LCM 0

IMR 15-16 · LCM

1539 points (4/5 events — incomplete)

EventTime Points
200 FR LCM 2:46.00 354
100 BR LCM 1:28.29 438
100 FL LCM 1:20.30 368
200 IM LCM 3:02.39 379
100 BK LCM 0

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

PR splits

100 Freestyle SCY 1:01.55

29.74
31.81

Front half 29.74s · back half 31.81s

200 Freestyle SCY 2:16.40

31.59
34.62
35.41
34.78

Front half 66.21s · back half 70.19s

100 Breaststroke SCY 1:16.91

37.56
39.35

Front half 37.56s · back half 39.35s

100 Butterfly SCY 1:10.40

31.85
38.55

Front half 31.85s · back half 38.55s

100 Individual Medley SCY 1:12.69

35.32
37.37

Front half 35.32s · back half 37.37s

200 Freestyle LCM 2:46.00

79.17
86.83

Front half 79.17s · back half 86.83s

200 Backstroke LCM 3:10.81

94.49
96.32

Front half 94.49s · back half 96.32s

200 Breaststroke LCM 3:18.15

98.09
100.06

Front half 98.09s · back half 100.06s

200 Individual Medley LCM 3:02.39

91.22
91.17

Front half 91.22s · back half 91.17s

Progression

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

50 Freestyle SCY 27.79 6 swims
100 Freestyle SCY 1:01.55 6 swims
200 Freestyle SCY 2:16.40 5 swims
50 Backstroke SCY 32.87 6 swims
50 Breaststroke SCY 33.33 7 swims
100 Breaststroke SCY 1:16.91 5 swims
50 Butterfly SCY 30.34 6 swims
100 Butterfly SCY 1:10.40 2 swims
100 Individual Medley SCY 1:12.69 2 swims
50 Freestyle LCM 32.61 1 swim
100 Freestyle LCM 1:13.03 1 swim
200 Freestyle LCM 2:46.00 1 swim
50 Backstroke LCM 38.94 1 swim
200 Backstroke LCM 3:10.81 1 swim
50 Breaststroke LCM 38.99 1 swim
100 Breaststroke LCM 1:28.29 4 swims
200 Breaststroke LCM 3:18.15 1 swim
100 Butterfly LCM 1:20.30 1 swim
200 Individual Medley LCM 3:02.39 1 swim