swimstats

Ziyu Liu

Mage 15ORPNNEWOCA

179 plausible swims · 37 meets · 2024-01-27 → 2026-07-12

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 25.12 BB+0.43s to A·+1.93s to Sectionals 2026-03-01 2026 PN February AGI, Div 3- Approvedvenue
100 Freestyle SCY 54.56 BB+0.27s to A·+3.57s to Sectionals 2026-01-25 2026 PN PDST Winter Invitational Meet- Approvvenue
200 Freestyle SCY 2:02.65 BB+4.06s to A·+10.86s to Sectionals 2026-02-08 2026 PN IST Feb Winter Invitational-Approvedvenue
1650 Freestyle SCY 20:00.20 BB+79.31s to A·+143.31s to Sectionals 2025-02-02 2025 PN OCA John Walker Distance Classicvenue
50 Backstroke SCY 28.59 BB+0.60s to A·+4.90s to Futures 2026-01-17 2026 PN VAST 49th Annual Washington Open- APPvenue
100 Backstroke SCY 1:00.78 BB+1.19s to A·+5.29s to Sectionals 2026-02-28 2026 PN February AGI, Div 3- Approvedvenue
200 Backstroke SCY 2:12.15 BB+2.06s to A·+10.86s to Sectionals 2025-11-16 2025 PN PAC Q Meetvenue
50 Breaststroke SCY 31.82 A+1.03s to AA·+5.53s to Futures 2026-01-25 2026 PN PDST Winter Invitational Meet- Approvvenue
100 Breaststroke SCY 1:09.86 BB+2.47s to A·+6.67s to Sectionals 2024-10-19 2024 THSC Fall Invitationalvenue
200 Breaststroke SCY 2:32.38 BB+5.39s to A·+15.09s to Sectionals 2025-10-19 2025 PN VAST Fall Classicvenue
50 Butterfly SCY 25.70 AA+0.31s to AAA·+2.81s to Futures 2025-10-22 1657244
100 Butterfly SCY 1:02.45 BB+3.56s to A·+7.26s to Sectionals 2026-01-25 2026 PN PDST Winter Invitational Meet- Approvvenue
200 Individual Medley SCY 2:16.67 BB+4.48s to A·+12.68s to Sectionals 2025-03-29 2025 PN Spring Finale, Division 2venue
400 Individual Medley SCY 5:03.63 BB+19.44s to A·+38.94s to Sectionals 2025-01-25 2025 PN PDST Winter Invitationalvenue
50 Freestyle LCM 29.07 BB+0.48s to A·+2.08s to Sectionals 2026-07-11 2026 PN OCA Last Chance Invitational- Approvevenue
100 Freestyle LCM 1:05.15 BB+2.86s to A·+6.16s to Sectionals 2026-07-12 2026 PN OCA Last Chance Invitational- Approvevenue
50 Backstroke LCM 32.63 A+0.84s to AA·+4.74s to Futures 2026-06-06 2026 PN VAST Summer Sprint & Dist. - Approvedvenue
100 Backstroke LCM 1:09.97 BB+0.38s to A·+4.78s to Sectionals 2026-07-11 2026 PN OCA Last Chance Invitational- Approvevenue
200 Backstroke LCM 2:31.96 BB+0.87s to A·+10.47s to Sectionals 2025-07-13 2025 PN OCA July Jamboree Invitationalvenue
50 Breaststroke LCM 36.58 BB+0.09s to A·+5.69s to Futures 2026-07-11 2026 PN OCA Last Chance Invitational- Approvevenue
100 Breaststroke LCM 1:23.34 BB+4.95s to A·+9.64s to Sectionals 2024-06-30 2024 PN SMAC Summer Classic Invitationalvenue
200 Breaststroke LCM 3:01.35 BB+9.96s to A·+20.47s to Sectionals 2025-05-17 2025 PN IST Sockeye Springtime Madnessvenue
100 Butterfly LCM 1:14.41 B+1.52s to BB·+11.32s to Sectionals 2026-06-14 2026 PN IST June Invtational- Approvedvenue
200 Individual Medley LCM 2:38.43 BB+5.24s to A·+13.74s to Sectionals 2026-06-13 2026 PN IST June Invtational- Approvedvenue
400 Individual Medley LCM 5:46.06 BB+16.77s to A·+38.27s to Sectionals 2026-06-07 2026 PN VAST Summer Sprint & Dist. - Approvedvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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 25.05 flying 200 Free Relay (leg 2) 2025-11-23 2025 PN November AGI Div 1 (PDST)
50 Breaststroke SCY 33.30 flying 200 Medley Relay (leg 2) 2025-01-25 2025 PN PDST Winter Invitational
50 Freestyle LCM 29.29 flying 200 Free Relay (leg 2) 2025-07-18 2025 PN 13&O LC Senior Championships
100 Freestyle LCM 1:07.10 flying 400 Free Relay (leg 3) 2025-07-20 2025 PN 13&O LC Senior Championships
50 Backstroke LCM 34.02 flat 200 Medley Relay 2025-07-19 2025 PN 13&O LC Senior Championships
100 Backstroke LCM 1:11.40 flat 400 Medley Relay 2025-07-18 2025 PN 13&O LC Senior Championships

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

2248 points (4/6 events — incomplete)

EventTime Points
200 BK LCM 2:31.96 614
200 BR LCM 3:01.35 520
200 IM LCM 2:38.43 579
400 IM LCM 5:46.06 535
400 FR LCM— 0
200 FL LCM— 0

IMR 15-16 · SCY

2811 points (5/5 events)

EventTime Points
200 FR SCY 2:02.65 575
100 BK SCY 1:00.78 580
100 BR SCY 1:09.86 563
100 FL SCY 1:02.45 525
200 IM SCY 2:16.67 568

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

PR splits

100 Freestyle SCY 54.56

25.91
28.65

Front half 25.91s · back half 28.65s

200 Freestyle SCY 2:02.65 RT 0.73s

27.39
31.24
31.70
32.32

Front half 58.63s · back half 64.02s

1650 Freestyle SCY 20:00.20

31.12
34.74
35.64
36.11
36.35
36.51
36.28
36.94
36.98
36.95
36.93
37.40
36.75
36.91
36.86
37.22
36.82
36.98
36.95
36.71
36.98
36.91
36.82
36.58
36.62
36.59
36.96
36.81
36.47
36.88
36.66
35.73
33.04

200 Backstroke SCY 2:12.15 RT 0.77s

31.56
33.34
33.68
33.57

Front half 64.90s · back half 67.25s

100 Breaststroke SCY 1:09.86

32.85
37.01

Front half 32.85s · back half 37.01s

200 Breaststroke SCY 2:32.38 RT 0.73s

34.51
39.15
39.50
39.22

Front half 73.66s · back half 78.72s

100 Butterfly SCY 1:02.45

28.78
33.67

Front half 28.78s · back half 33.67s

200 Individual Medley SCY 2:16.67

29.78
34.95
39.97
31.97

Front half 64.73s · back half 71.94s

400 Individual Medley SCY 5:03.63

31.93
37.40
38.43
38.75
42.60
43.88
35.66
34.98

Front half 146.51s · back half 157.12s

200 Backstroke LCM 2:31.96 RT 0.72s

35.50
37.62
39.17
39.67

Front half 73.12s · back half 78.84s

200 Breaststroke LCM 3:01.35 RT 0.74s

87.28
94.07

Front half 87.28s · back half 94.07s

200 Individual Medley LCM 2:38.43 RT 0.70s

74.37
84.06

Front half 74.37s · back half 84.06s

400 Individual Medley LCM 5:46.06 RT 0.74s· 23.3 min after 200 Backstroke

84.02
87.01
98.62
76.41

Front half 171.03s · back half 175.03s

Reaction time

fastest 0.47s average 0.716s slowest 1.08s 57 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 25.12 8 swims
100 Freestyle SCY 54.56 10 swims
200 Freestyle SCY 2:02.65 5 swims
1650 Freestyle SCY 20:00.20 1 swim
50 Backstroke SCY 28.59 6 swims
100 Backstroke SCY 1:00.78 17 swims
200 Backstroke SCY 2:12.15 14 swims
50 Breaststroke SCY 31.82 3 swims
100 Breaststroke SCY 1:09.86 12 swims
200 Breaststroke SCY 2:32.38 12 swims
50 Butterfly SCY 25.70 6 swims
100 Butterfly SCY 1:02.45 4 swims
200 Individual Medley SCY 2:16.67 8 swims
400 Individual Medley SCY 5:03.63 2 swims
50 Freestyle LCM 29.07 8 swims
100 Freestyle LCM 1:05.15 6 swims
50 Backstroke LCM 32.63 5 swims
100 Backstroke LCM 1:09.97 12 swims
200 Backstroke LCM 2:31.96 11 swims
50 Breaststroke LCM 36.58 5 swims
100 Breaststroke LCM 1:23.34 7 swims
200 Breaststroke LCM 3:01.35 3 swims
100 Butterfly LCM 1:14.41 3 swims
200 Individual Medley LCM 2:38.43 4 swims
400 Individual Medley LCM 5:46.06 5 swims