swimstats

Donald Zhao

Mage 16CZGUINKYMTSECSCINMTV

120 plausible swims · 16 meets · 2018-10-06 → 2026-05-31

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 21.24 AAAA 2026-03-29 2026 Four Corner Speedo Sectionals - Carmel - fast pool
100 Freestyle SCY 46.92 AAA+0.13s to AAAA 2026-03-26 2026 Four Corner Speedo Sectionals - Carmel - fast pool
200 Freestyle SCY 1:42.87 AAA+0.68s to AAAA 2026-03-27 2026 Four Corner Speedo Sectionals - Carmel - fast pool
500 Freestyle SCY 4:48.74 AAA+10.95s to AAAA 2024-12-07 2024 NAC SPEEDO Music City Invitational venue
50 Backstroke SCY 43.83 +12.04s to B 2018-10-06 2018 Fall Face Off
100 Backstroke SCY 55.97 A+0.28s to AA 2024-12-08 2024 NAC SPEEDO Music City Invitational venue
200 Backstroke SCY 2:05.10 A+3.11s to AA 2024-12-06 2024 NAC SPEEDO Music City Invitational venue
50 Breaststroke SCY 45.68 +8.99s to B 2018-10-06 2018 Fall Face Off
100 Breaststroke SCY 59.71 AAA+1.92s to AAAA 2026-03-28 2026 Four Corner Speedo Sectionals - Carmel - fast pool
200 Breaststroke SCY 2:30.51 BB+7.32s to A 2022-01-01 2022 NAC SPEEDO Music City Invitational slow pool
50 Butterfly SCY 46.39 +14.60s to B 2018-10-06 2018 Fall Face Off
100 Butterfly SCY 52.59 AAA+2.10s to AAAA 2026-03-28 2026 Four Corner Speedo Sectionals - Carmel - fast pool
200 Individual Medley SCY 1:57.13 AAA+3.64s to AAAA 2026-03-29 2026 Four Corner Speedo Sectionals - Carmel - fast pool
50 Freestyle LCM 25.04 AAA+0.25s to AAAA 2025-06-20 2025 Synergy Dryland Summer Sizzler venue
100 Freestyle LCM 53.29 AAAA 2025-03-30 2025 Central Zone East Spring Speedo Sectiona venue
200 Freestyle LCM 1:59.97 AAA+1.98s to AAAA 2025-03-28 2025 Central Zone East Spring Speedo Sectiona venue
400 Freestyle LCM 4:18.91 AAA+7.22s to AAAA 2025-03-29 2025 Central Zone East Spring Speedo Sectiona venue
50 Backstroke LCM 40.56 +2.67s to B 2019-05-19 2019 Cardinal Aquatics Summer Throwdown slow pool
100 Backstroke LCM 1:02.81 AA+0.32s to AAA 2025-06-20 2025 Synergy Dryland Summer Sizzler venue
50 Breaststroke LCM 49.56 +7.67s to B 2019-05-18 2019 Cardinal Aquatics Summer Throwdown slow pool
100 Breaststroke LCM 1:15.41 A+1.62s to AA 2026-01-01 DePauw University
50 Butterfly LCM 31.40 BB+0.61s to A 2026-01-01 DePauw University
100 Butterfly LCM 59.98 AAA+2.19s to AAAA 2025-06-19 2025 Synergy Dryland Summer Sizzler venue
200 Individual Medley LCM 2:16.69 AAA+4.30s to AAAA 2026-05-30 2026 Duel in the Pool venue
400 Individual Medley LCM 5:05.03 AA+9.44s to AAA 2026-01-01 DePauw University

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.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle LCM 25.86 flying 200 Free Relay (leg 4) 2024-07-13 2024 IN Swimming Swimfest

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 · SCY

3046 points (4/6 events — incomplete)

EventTime Points
500 FR SCY 4:48.74 876
200 BK SCY 2:05.10 692
200 BR SCY 2:30.51 576
200 IM SCY 1:57.13 902
200 FL SCY— 0
400 IM SCY— 0

IMR 15-16 · SCY

4398 points (5/5 events)

EventTime Points
200 FR SCY 1:42.87 974
100 BK SCY 55.97 742
100 BR SCY 59.71 901
100 FL SCY 52.59 879
200 IM SCY 1:57.13 902

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

PR splits

100 Freestyle SCY 46.92

22.77
24.15

Front half 22.77s · back half 24.15s

200 Freestyle SCY 1:42.87

23.59
26.53
26.82
25.93

Front half 50.12s · back half 52.75s

500 Freestyle SCY 4:48.74

25.87
28.69
29.29
29.57
29.51
29.42
29.49
29.52
29.56
27.82

Front half 142.93s · back half 145.81s

100 Backstroke SCY 55.97

27.13
28.84

Front half 27.13s · back half 28.84s

200 Backstroke SCY 2:05.10

29.70
32.19
32.24
30.97

Front half 61.89s · back half 63.21s

100 Breaststroke SCY 59.71

27.85
31.86

Front half 27.85s · back half 31.86s

100 Butterfly SCY 52.59

24.84
27.75

Front half 24.84s · back half 27.75s

200 Individual Medley SCY 1:57.13

24.51
30.48
34.77
27.37

Front half 54.99s · back half 62.14s

100 Freestyle LCM 53.29

25.37
27.92

Front half 25.37s · back half 27.92s

200 Freestyle LCM 1:59.97

27.42
30.49
31.47
30.59

Front half 57.91s · back half 62.06s

400 Freestyle LCM 4:18.91

28.84
32.38
32.79
33.27
33.25
33.50
32.96
31.92

Front half 127.28s · back half 131.63s

200 Individual Medley LCM 2:16.69

28.21
37.05
40.60
30.83

Front half 65.26s · back half 71.43s

400 Individual Medley LCM 5:05.03 split/total mismatch

29.76
34.73
40.60
39.45
44.67
46.06
35.22
34.54

Progression

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

50 Freestyle SCY 21.24 4 swims
100 Freestyle SCY 46.92 4 swims
200 Freestyle SCY 1:42.87 3 swims
500 Freestyle SCY 4:48.74 2 swims
50 Backstroke SCY 43.83 1 swim
100 Backstroke SCY 55.97 2 swims
200 Backstroke SCY 2:05.10 1 swim
50 Breaststroke SCY 45.68 1 swim
100 Breaststroke SCY 59.71 3 swims
200 Breaststroke SCY 2:30.51 1 swim
50 Butterfly SCY 46.39 1 swim
100 Butterfly SCY 52.59 1 swim
200 Individual Medley SCY 1:57.13 3 swims
50 Freestyle LCM 25.04 10 swims
100 Freestyle LCM 53.29 19 swims
200 Freestyle LCM 1:59.97 9 swims
400 Freestyle LCM 4:18.91 9 swims
50 Backstroke LCM 40.56 1 swim
100 Backstroke LCM 1:02.81 6 swims
50 Breaststroke LCM 49.56 1 swim
100 Breaststroke LCM 1:15.41 9 swims
50 Butterfly LCM 31.40 1 swim
100 Butterfly LCM 59.98 13 swims
200 Individual Medley LCM 2:16.69 12 swims
400 Individual Medley LCM 5:05.03 3 swims