Duncan Chou

Mage 18IEORPNSUNSTHSC

131 plausible swims · 24 meets · 2022-06-04 → 2026-06-14

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 27.41 B+1.72s to BB·+4.22s to Sectionals 2025-11-08 2025 THSC November Open venue
100 Freestyle SCY 1:00.03 B+3.64s to BB·+9.04s to Sectionals 2025-12-07 2025 Tualatin Hills Holiday Classic venue
200 Freestyle SCY 2:19.59 +5.50s to B·+27.80s to Sectionals 2025-10-18 2025 THSC Fall Open venue
500 Freestyle SCY 4:16.23 AAAA·Nationals ✓ 2024-12-20 2024 TTSC Holiday Invitational
50 Backstroke SCY 34.07 +3.18s to B·+10.38s to Futures 2025-08-02 2025 Season Finale venue
100 Backstroke SCY 1:07.65 +2.06s to B·+12.16s to Sectionals 2025-11-08 2025 THSC November Open venue
200 Backstroke SCY 2:31.03 +6.64s to B·+29.74s to Sectionals 2026-03-22 2026 OSI Arena RegionXII SC Championships venue
50 Breaststroke SCY 30.60 BB+0.01s to A·+4.31s to Futures 2026-03-22 2026 OSI Arena RegionXII SC Championships venue
100 Breaststroke SCY 1:04.74 BB+0.55s to A·+1.55s to Sectionals 2026-03-21 2026 OSI Arena RegionXII SC Championships venue
200 Breaststroke SCY 2:27.64 BB+8.05s to A·+10.35s to Sectionals 2025-11-09 2025 THSC November Open venue
100 Butterfly SCY 1:02.55 B+1.66s to BB·+7.36s to Sectionals 2024-12-20 2024 TTSC Holiday Invitational
100 Individual Medley SCY 1:08.99 2025-08-02 2025 Season Finale venue
200 Individual Medley SCY 2:23.76 B+6.47s to BB·+19.77s to Sectionals 2025-12-07 2025 Tualatin Hills Holiday Classic venue
50 Freestyle LCM 31.44 B+1.75s to BB·+4.45s to Sectionals 2026-05-02 2026 THSC Spring Invite venue
100 Freestyle LCM 1:10.13 B+4.94s to BB·+11.14s to Sectionals 2025-06-07 2025 THSC June Invitational venue
200 Freestyle LCM 2:38.66 +5.07s to B·+29.97s to Sectionals 2026-06-14 2026 THSC June Open venue
50 Backstroke LCM 38.02 +0.73s to B·+10.13s to Futures 2025-06-28 2025 Howard Jones Open venue
100 Backstroke LCM 1:20.10 +1.91s to B·+14.91s to Sectionals 2026-06-14 2026 THSC June Open venue
200 Backstroke LCM 2:50.72 +0.53s to B·+29.23s to Sectionals 2025-07-11 2025 THSC Summer Classic
50 Breaststroke LCM 33.80 A+0.11s to AA·+2.91s to Futures 2025-07-11 2025 THSC Summer Classic
100 Breaststroke LCM 1:15.52 BB+0.83s to A·+1.82s to Sectionals 2026-06-13 2026 THSC June Open venue
200 Breaststroke LCM 2:52.07 BB+8.78s to A·+11.19s to Sectionals 2025-06-08 2025 THSC June Invitational venue
50 Butterfly LCM 35.29 +0.50s to B·+9.00s to Futures 2025-05-02 2025 THSC Spring Invitational
100 Butterfly LCM 1:23.94 +8.95s to B·+20.85s to Sectionals 2025-06-29 2025 Howard Jones Open venue
200 Individual Medley LCM 2:49.17 B+8.78s to BB·+24.48s to Sectionals 2026-06-13 2026 THSC June Open venue
400 Individual Medley LCM 6:18.57 +7.58s to B·+70.78s to Sectionals 2025-07-11 2025 THSC Summer Classic

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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 Breaststroke LCM 33.78 flying 200 Medley Relay (leg 2) 2025-07-25 2025 OSI Arena 11&O LC 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 17-18 · SCY

2478 points (4/6 events — incomplete)

EventTime Points
500 FR SCY 4:16.23 1100
200 BK SCY 2:31.03 364
200 BR SCY 2:27.64 559
200 IM SCY 2:23.76 455
200 FL SCY 0
400 IM SCY 0

IMR 17-18 · SCY

2330 points (5/5 events)

EventTime Points
200 FR SCY 2:19.59 369
100 BK SCY 1:07.65 377
100 BR SCY 1:04.74 646
100 FL SCY 1:02.55 483
200 IM SCY 2:23.76 455

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

PR splits

100 Freestyle SCY 1:00.03

29.13
30.90

Front half 29.13s · back half 30.90s

200 Freestyle SCY 2:19.59

31.15
34.82
36.80
36.82

Front half 65.97s · back half 73.62s

500 Freestyle SCY 4:16.23 split/total mismatch

32.35
67.85
105.91
145.11
289.16
322.06
354.87
387.76
184.84
225.28
266.12
307.92
420.97
453.99
487.23
520.90
349.90
390.36
554.13
587.40
620.77
653.90

100 Backstroke SCY 1:07.65

33.49
34.16

Front half 33.49s · back half 34.16s

200 Backstroke SCY 2:31.03

35.59
36.58
39.65
39.21

Front half 72.17s · back half 78.86s

100 Breaststroke SCY 1:04.74

30.76
33.98

Front half 30.76s · back half 33.98s

200 Breaststroke SCY 2:27.64

32.84
36.64
38.83
39.33

Front half 69.48s · back half 78.16s

100 Individual Medley SCY 1:08.99

33.01
35.98

Front half 33.01s · back half 35.98s

200 Individual Medley SCY 2:23.76

31.03
38.40
38.41
35.92

Front half 69.43s · back half 74.33s

100 Freestyle LCM 1:10.13

33.24
36.89

Front half 33.24s · back half 36.89s

200 Freestyle LCM 2:38.66

35.77
37.93
42.99
41.97

Front half 73.70s · back half 84.96s

100 Backstroke LCM 1:20.10

39.70
40.40

Front half 39.70s · back half 40.40s

100 Breaststroke LCM 1:15.52

36.28
39.24

Front half 36.28s · back half 39.24s

200 Breaststroke LCM 2:52.07

38.31
41.69
46.67
45.40

Front half 80.00s · back half 92.07s

200 Individual Medley LCM 2:49.17

35.44
46.79
45.20
41.74

Front half 82.23s · back half 86.94s

Progression

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

50 Freestyle SCY 27.41 6 swims
100 Freestyle SCY 1:00.03 7 swims
200 Freestyle SCY 2:19.59 2 swims
500 Freestyle SCY 4:16.23 2 swims
50 Backstroke SCY 34.07 1 swim
100 Backstroke SCY 1:07.65 5 swims
200 Backstroke SCY 2:31.03 2 swims
50 Breaststroke SCY 30.60 3 swims
100 Breaststroke SCY 1:04.74 8 swims
200 Breaststroke SCY 2:27.64 11 swims
100 Butterfly SCY 1:02.55 4 swims
100 Individual Medley SCY 1:08.99 1 swim
200 Individual Medley SCY 2:23.76 6 swims
50 Freestyle LCM 31.44 5 swims
100 Freestyle LCM 1:10.13 8 swims
200 Freestyle LCM 2:38.66 3 swims
50 Backstroke LCM 38.02 3 swims
100 Backstroke LCM 1:20.10 6 swims
200 Backstroke LCM 2:50.72 3 swims
50 Breaststroke LCM 33.80 8 swims
100 Breaststroke LCM 1:15.52 10 swims
200 Breaststroke LCM 2:52.07 12 swims
50 Butterfly LCM 35.29 2 swims
100 Butterfly LCM 1:23.94 2 swims
200 Individual Medley LCM 2:49.17 9 swims
400 Individual Medley LCM 6:18.57 2 swims