Leo Yu

Mage 9NESTCS

121 plausible swims · 20 meets · 2024-12-14 → 2026-06-28

Personal records

EventCourseBest CutDateMeet
25 Freestyle SCY 17.81 2025-10-25 2025 NE SHAWMUT Pumpkin Splash - copied venue
50 Freestyle SCY 39.23 2026-06-06 2026 NE NSSC June Invitational @ SJP venue
100 Freestyle SCY 1:24.31 2026-03-15 2026 NE INST NE Cup fast pool
200 Freestyle SCY 3:10.96 2026-03-14 2026 NE INST NE Cup fast pool
500 Freestyle SCY 8:09.76 2026-06-28 2026 NE CS Summer Classic venue
50 Backstroke SCY 45.95 2026-03-14 2026 NE INST NE Cup fast pool
100 Backstroke SCY 1:40.47 2025-12-14 2025 NE SHAWMUT Candy Cane Classic venue
50 Breaststroke SCY 52.22 2026-06-26 2026 NE CS Summer Classic venue
100 Breaststroke SCY 1:53.44 2026-06-27 2026 NE CS Summer Classic venue
50 Butterfly SCY 48.41 2026-03-15 2026 NE INST NE Cup fast pool
100 Butterfly SCY 1:56.84 2026-03-14 2026 NE INST NE Cup fast pool
100 Individual Medley SCY 1:37.03 2026-03-15 2026 NE INST NE Cup fast pool
200 Individual Medley SCY 3:31.69 2026-03-13 2026 NE INST NE Cup fast pool
50 Freestyle LCM 41.28 2026-04-11 2026 NE CS Season Opener venue
100 Freestyle LCM 1:40.09 2026-04-12 2026 NE CS Season Opener venue
200 Freestyle LCM 3:33.38 2026-06-13 2026 NE CS Summer Solstice venue
50 Backstroke LCM 51.23 2026-04-12 2026 NE CS Season Opener venue
100 Backstroke LCM 1:49.34 2026-05-02 2026 NE CS Spring Fling venue
50 Breaststroke LCM 59.93 2026-06-13 2026 NE CS Summer Solstice venue
100 Breaststroke LCM 2:12.03 2026-05-17 2026 NE CS Spring Fever venue
50 Butterfly LCM 57.91 2026-06-13 2026 NE CS Summer Solstice venue
100 Butterfly LCM 1:40.09 2026-01-01 Season Opener Hosted by Commonwealth Swimming Seekonk
200 Individual Medley LCM 4:02.72 2026-05-03 2026 NE CS Spring Fling venue

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 10 & under · LCM

1943 points (5/5 events)

EventTime Points
200 FR LCM 3:33.38 359
100 BK LCM 1:49.34 391
100 BR LCM 2:12.03 334
100 FL LCM 1:40.09 502
200 IM LCM 4:02.72 357

IMR 10 & under · SCY

1683 points (5/5 events)

EventTime Points
100 FR SCY 1:24.31 373
50 BK SCY 45.95 343
50 BR SCY 52.22 338
50 FL SCY 48.41 257
100 IM SCY 1:37.03 372

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

PR splits

100 Freestyle SCY 1:24.31

39.89
44.42

Front half 39.89s · back half 44.42s

200 Freestyle SCY 3:10.96

42.41
50.74
49.59
48.22

Front half 93.15s · back half 97.81s

500 Freestyle SCY 8:09.76

41.29
48.62
51.41
48.74
51.20
49.95
51.01
50.55
96.99

100 Backstroke SCY 1:40.47

48.32
52.15

Front half 48.32s · back half 52.15s

100 Breaststroke SCY 1:53.44

54.19
59.25

Front half 54.19s · back half 59.25s

100 Butterfly SCY 1:56.84

55.12
61.72

Front half 55.12s · back half 61.72s

100 Individual Medley SCY 1:37.03

46.50
50.53

Front half 46.50s · back half 50.53s

200 Individual Medley SCY 3:31.69

50.32
51.72
61.54
48.11

Front half 102.04s · back half 109.65s

100 Freestyle LCM 1:40.09

47.06
53.03

Front half 47.06s · back half 53.03s

200 Freestyle LCM 3:33.38

47.15
56.44
55.84
53.95

Front half 103.59s · back half 109.79s

100 Backstroke LCM 1:49.34

54.10
55.24

Front half 54.10s · back half 55.24s

100 Butterfly LCM 1:40.09 split/total mismatch

47.06
5.97

Front half 47.06s · back half 53.03s

200 Individual Medley LCM 4:02.72

58.35
62.29
70.01
52.07

Front half 120.64s · back half 122.08s

Reaction time

fastest 0.66s average 0.660s slowest 0.66s 1 electronic start

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.

25 Freestyle SCY 17.81 1 swim
50 Freestyle SCY 39.23 11 swims
100 Freestyle SCY 1:24.31 11 swims
200 Freestyle SCY 3:10.96 8 swims
500 Freestyle SCY 8:09.76 4 swims
50 Backstroke SCY 45.95 10 swims
100 Backstroke SCY 1:40.47 6 swims
50 Breaststroke SCY 52.22 9 swims
100 Breaststroke SCY 1:53.44 11 swims
50 Butterfly SCY 48.41 11 swims
100 Butterfly SCY 1:56.84 1 swim
100 Individual Medley SCY 1:37.03 1 swim
200 Individual Medley SCY 3:31.69 3 swims
50 Freestyle LCM 41.28 4 swims
100 Freestyle LCM 1:40.09 2 swims
200 Freestyle LCM 3:33.38 3 swims
50 Backstroke LCM 51.23 5 swims
100 Backstroke LCM 1:49.34 3 swims
50 Breaststroke LCM 59.93 3 swims
100 Breaststroke LCM 2:12.03 4 swims
50 Butterfly LCM 57.91 3 swims
100 Butterfly LCM 1:40.09 5 swims
200 Individual Medley LCM 4:02.72 2 swims