Oscar Zhang

Mage 15COHIMTNMPCALTOBACUN

130 plausible swims · 17 meets · 2024-12-05 → 2026-07-19

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 23.55 AA+0.86s to AAA·+0.36s to Sectionals 2025-12-05 2025 Holiday Swim Festivalvenue
100 Freestyle SCY 49.99 AA+0.20s to AAA·Sectionals ✓+3.60s to Futures 2026-05-10 2026 Post-CCS SR Walk-On Meetvenue
200 Freestyle SCY 1:48.07 AAA+4.28s to AAAA·Sectionals ✓+6.48s to Futures 2026-04-10 2026 Far Western SC Hosted By SCSCvenue
500 Freestyle SCY 4:49.62 AAA+7.33s to AAAA·Sectionals ✓+12.53s to Futures 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceansidevenue
1000 Freestyle SCY 10:07.76 AAA+19.97s to AAAA·Sectionals ✓+33.47s to Futures 2026-03-01 2026 SI CA/NV Speedo Sectionals Oceansidevenue
1650 Freestyle SCY 17:02.15 AAA+41.36s to AAAA·Sectionals ✓+56.66s to Futures 2025-12-04 2025 Holiday Swim Festivalvenue
50 Backstroke SCY 30.97 B+0.68s to BB·+7.28s to Futures 2024-12-08 2024 Holiday Swim Festivalvenue
100 Backstroke SCY 59.51 A+2.42s to AA·+4.02s to Sectionals 2026-05-10 2026 Post-CCS SR Walk-On Meetvenue
200 Backstroke SCY 2:07.06 A+2.37s to AA·+5.77s to Sectionals 2026-04-11 2026 Far Western SC Hosted By SCSCvenue
100 Breaststroke SCY 1:11.71 BB+4.32s to A·+8.52s to Sectionals 2026-01-24 2026 Zone 1 North Championshipsvenue
200 Breaststroke SCY 2:32.50 BB+5.51s to A·+15.21s to Sectionals 2026-01-17 Cal Invitational Swim Meetvenue
50 Butterfly SCY 27.53 A+0.94s to AA·+4.64s to Futures 2026-02-15 2026 Santa Clara Senior Champsvenue
100 Butterfly SCY 57.12 A+0.73s to AA·+1.93s to Sectionals 2026-03-21 SCY Spring Age Group Championshipsvenue
200 Butterfly SCY 2:02.88 AA+1.89s to AAA·Sectionals ✓+9.19s to Futures 2026-05-10 2026 Post-CCS SR Walk-On Meetvenue
200 Individual Medley SCY 2:07.79 A+1.10s to AA·+3.80s to Sectionals 2026-01-17 Cal Invitational Swim Meetvenue
400 Individual Medley SCY 4:29.51 AA+9.02s to AAA·+4.82s to Sectionals 2025-12-05 2025 Holiday Swim Festivalvenue
50 Freestyle LCM 26.95 AA+0.76s to AAA·Sectionals ✓+2.36s to Futures 2026-05-10 2026 Post-CCS SR Walk-On Meetvenue
100 Freestyle LCM 56.48 AAA+1.99s to AAAA·Sectionals ✓+2.89s to Futures 2026-07-17 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
200 Freestyle LCM 2:00.82 AAA+0.83s to AAAA·Sectionals ✓+3.03s to Futures 2026-07-17 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
400 Freestyle LCM 4:13.89 AAAA·Sectionals ✓+3.90s to Futures 2026-07-18 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
800 Freestyle LCM 8:56.03 AAA+7.54s to AAAA·Sectionals ✓+15.34s to Futures 2026-07-16 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
1500 Freestyle LCM 17:24.07 AAA+24.88s to AAAA·Sectionals ✓+45.08s to Futures 2026-06-18 HISI Senior Summer Championship (LCM)venue
200 Backstroke LCM 2:28.02 A+3.23s to AA·+6.53s to Sectionals 2026-06-13 BAC Long Coursevenue
100 Breaststroke LCM 1:24.83 BB+6.44s to A·+11.13s to Sectionals 2026-06-13 BAC Long Coursevenue
200 Breaststroke LCM 3:02.71 BB+11.32s to A·+21.83s to Sectionals 2026-05-31 2026 George Haines International Swim Meetvenue
100 Butterfly LCM 1:03.02 AA+1.33s to AAA·Sectionals ✓+5.03s to Futures 2026-06-21 HISI Senior Summer Championship (LCM)venue
200 Butterfly LCM 2:16.16 AAA+4.37s to AAAA·Sectionals ✓+5.97s to Futures 2026-06-19 HISI Senior Summer Championship (LCM)venue
200 Individual Medley LCM 2:22.01 AA+1.52s to AAA·Sectionals ✓+9.22s to Futures 2026-06-18 HISI Senior Summer Championship (LCM)venue
400 Individual Medley LCM 4:55.77 AAA+7.58s to AAAA·Sectionals ✓+13.38s to Futures 2026-06-21 HISI Senior Summer Championship (LCM)venue

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 23.90 flat 200 Free Relay 2026-01-24 2026 Zone 1 North Championships
50 Freestyle SCY 22.85 flying 200 Medley Relay (leg 4) 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceanside
50 Freestyle SCY 23.24 flying 200 Free Relay (leg 3) 2026-02-26 2026 SI CA/NV Speedo Sectionals Oceanside
100 Freestyle SCY 50.06 flat 400 Free Relay 2026-03-01 2026 SI CA/NV Speedo Sectionals Oceanside
100 Freestyle SCY 49.82 flying 400 Medley Relay (leg 4) 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceanside
100 Freestyle SCY 50.35 flying 400 Free Relay (leg 4) 2026-03-22 SCY Spring Age Group Championships
100 Backstroke SCY 1:02.12 flat 400 Medley Relay 2025-12-05 2025 Holiday Swim Festival
50 Butterfly SCY 25.59 flying 200 Medley Relay (leg 3) 2026-03-21 SCY Spring Age Group Championships
50 Freestyle LCM 26.37 flat 200 Free Relay 2026-06-20 HISI Senior Summer Championship (LCM)
100 Freestyle LCM 56.12 flying 400 Free Relay (leg 4) 2026-06-20 HISI Senior Summer Championship (LCM)
200 Freestyle LCM 2:00.55 flying 800 Free Relay (leg 2) 2026-07-17 2026 CA/NV Summer Speedo Sectionals @ BREA -

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

4642 points (6/6 events)

EventTime Points
400 FR LCM 4:13.89 961
200 BK LCM 2:28.02 664
200 BR LCM 3:02.71 509
200 FL LCM 2:16.16 846
200 IM LCM 2:22.01 804
400 IM LCM 4:55.77 858

IMR 15-16 · SCY

3358 points (5/5 events)

EventTime Points
200 FR SCY 1:48.07 840
100 BK SCY 59.51 618
100 BR SCY 1:11.71 520
100 FL SCY 57.12 686
200 IM SCY 2:07.79 694

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

PR splits

100 Freestyle SCY 49.99

24.27
25.72

Front half 24.27s · back half 25.72s

200 Freestyle SCY 1:48.07

25.35
27.39
27.82
27.51

Front half 52.74s · back half 55.33s

500 Freestyle SCY 4:49.62

26.56
28.78
28.90
29.46
29.56
29.56
29.28
29.39
29.37
28.76

Front half 143.26s · back half 146.36s

1000 Freestyle SCY 10:07.76

27.82
30.36
30.70
30.74
31.07
30.92
30.95
30.82
30.92
31.18
30.76
30.58
30.69
30.69
30.60
30.40
30.22
30.40
29.49
28.45

Front half 305.48s · back half 302.28s

1650 Freestyle SCY 17:02.15

27.75
29.81
30.60
30.54
30.84
30.97
31.27
31.12
31.15
31.35
31.23
31.32
31.67
31.47
31.23
31.25
31.16
31.14
31.33
31.55
31.36
31.45
31.40
31.41
31.24
31.32
31.20
31.15
30.95
30.77
30.71
30.31
30.13

100 Backstroke SCY 59.51

29.33
30.18

Front half 29.33s · back half 30.18s

200 Backstroke SCY 2:07.06

30.28
32.20
32.24
32.34

Front half 62.48s · back half 64.58s

100 Breaststroke SCY 1:11.71

33.51
38.20

Front half 33.51s · back half 38.20s

200 Breaststroke SCY 2:32.50

34.79
39.37
39.38
38.96

Front half 74.16s · back half 78.34s

100 Butterfly SCY 57.12

27.04
30.08

Front half 27.04s · back half 30.08s

200 Butterfly SCY 2:02.88

27.75
31.25
32.03
31.85

Front half 59.00s · back half 63.88s

200 Individual Medley SCY 2:07.79

27.39
33.14
38.67
28.59

Front half 60.53s · back half 67.26s

400 Individual Medley SCY 4:29.51

28.38
31.66
35.80
36.33
38.97
40.61
29.58
28.18

Front half 132.17s · back half 137.34s

100 Freestyle LCM 56.48 RT 0.58s

27.51
28.97

Front half 27.51s · back half 28.97s

200 Freestyle LCM 2:00.82 RT 0.61s

28.58
30.51
31.11
30.62

Front half 59.09s · back half 61.73s

400 Freestyle LCM 4:13.89 RT 0.56s

29.57
31.61
32.24
32.58
32.63
32.90
31.76
30.60

Front half 126.00s · back half 127.89s

800 Freestyle LCM 8:56.03 RT 0.50s

30.84
33.32
33.81
34.15
34.12
34.10
33.96
33.90
33.81
33.82
33.91
33.77
33.40
33.27
33.12
32.73

Front half 268.20s · back half 267.83s

1500 Freestyle LCM 17:24.07

30.71
33.63
33.72
35.06
34.30
35.40
34.35
35.26
34.67
35.27
34.55
35.11
34.78
35.46
34.88
35.41
34.55
35.14
34.71
35.45
34.71
35.34
34.89
36.02
34.90
35.56
35.03
35.60
34.57
35.04

Front half 517.15s · back half 526.92s

200 Backstroke LCM 2:28.02

72.74
75.28

Front half 72.74s · back half 75.28s

200 Breaststroke LCM 3:02.71

41.95
47.08
47.47
46.21

Front half 89.03s · back half 93.68s

100 Butterfly LCM 1:03.02

30.07
32.95

Front half 30.07s · back half 32.95s

200 Butterfly LCM 2:16.16

31.09
34.86
35.48
34.73

Front half 65.95s · back half 70.21s

200 Individual Medley LCM 2:22.01

30.14
37.21
43.86
30.80

Front half 67.35s · back half 74.66s

400 Individual Medley LCM 4:55.77

31.12
35.26
39.16
38.17
45.16
45.08
31.75
30.07

Front half 143.71s · back half 152.06s

Reaction time

fastest 0.50s average 0.593s slowest 0.64s 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.

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 23.55 7 swims
100 Freestyle SCY 49.99 13 swims
200 Freestyle SCY 1:48.07 9 swims
500 Freestyle SCY 4:49.62 10 swims
1000 Freestyle SCY 10:07.76 4 swims
1650 Freestyle SCY 17:02.15 3 swims
50 Backstroke SCY 30.97 2 swims
100 Backstroke SCY 59.51 4 swims
200 Backstroke SCY 2:07.06 2 swims
100 Breaststroke SCY 1:11.71 1 swim
200 Breaststroke SCY 2:32.50 1 swim
50 Butterfly SCY 27.53 3 swims
100 Butterfly SCY 57.12 8 swims
200 Butterfly SCY 2:02.88 7 swims
200 Individual Medley SCY 2:07.79 6 swims
400 Individual Medley SCY 4:29.51 5 swims
50 Freestyle LCM 26.95 1 swim
100 Freestyle LCM 56.48 6 swims
200 Freestyle LCM 2:00.82 5 swims
400 Freestyle LCM 4:13.89 7 swims
800 Freestyle LCM 8:56.03 1 swim
1500 Freestyle LCM 17:24.07 2 swims
200 Backstroke LCM 2:28.02 3 swims
100 Breaststroke LCM 1:24.83 1 swim
200 Breaststroke LCM 3:02.71 1 swim
100 Butterfly LCM 1:03.02 5 swims
200 Butterfly LCM 2:16.16 6 swims
200 Individual Medley LCM 2:22.01 4 swims
400 Individual Medley LCM 4:55.77 3 swims