Dawson Chu

Mage 18COMTSESTVAHRAROCKUN

528 plausible swims · 109 meets · 2016-10-15 → 2026-06-28

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 23.90 BB+0.21s to A 2025-01-01 2025 CO HRA SBL Turkey Trot
100 Freestyle SCY 53.54 BB+1.55s to A 2024-11-17 2024 CO TOPS Fall Invite venue
200 Freestyle SCY 1:54.48 A+4.29s to AA 2025-01-01 2025 CO PPA Harvest Heats
500 Freestyle SCY 5:16.53 BB+3.84s to A 2025-02-23 2025 CO Colorado Senior Meet venue
1000 Freestyle SCY 11:37.45 BB+40.46s to A 2026-01-31 2026 CO HRA SBL Distance Meet venue
1650 Freestyle SCY 17:27.80 AA+44.01s to AAA 2026-01-16 ISCA January Classic 2026
25 Backstroke SCY 22.09 2016-11-06 2016 CO CMA Mountain High Point Challenge slow pool
50 Backstroke SCY 38.76 +7.87s to B 2019-12-20 2019 CO ROCK Holiday Pentathlon venue
100 Backstroke SCY 1:03.33 B+2.44s to BB 2024-11-17 2024 CO TOPS Fall Invite venue
200 Backstroke SCY 2:11.44 BB+7.65s to A 2024-11-16 2024 CO TOPS Fall Invite venue
25 Breaststroke SCY 28.86 2016-11-06 2016 CO CMA Mountain High Point Challenge slow pool
50 Breaststroke SCY 39.09 +3.50s to B 2020-11-01 2020 CO ROCKtoberfest IntraSquad venue
100 Breaststroke SCY 1:01.82 A+0.23s to AA 2025-03-29 2025 Four Corners Speedo Sectionals - Austin venue
200 Breaststroke SCY 1:59.21 AAAA 2025-01-01 2025 CO PPA Harvest Heats
50 Butterfly SCY 24.72 AA+0.43s to AAA 2026-01-16 ISCA January Classic 2026
100 Butterfly SCY 53.73 AA+2.14s to AAA 2025-03-29 2025 Four Corners Speedo Sectionals - Austin venue
200 Butterfly SCY 1:58.69 AA+2.80s to AAA 2026-01-16 ISCA January Classic 2026
100 Individual Medley SCY 1:03.48 2023-09-17 2023 CO Loveland Quad Meet venue
200 Individual Medley SCY 2:02.07 A+0.58s to AA 2026-05-08 2026 CO OB CHSAA 5A State Championships venue
400 Individual Medley SCY 4:17.55 AA+6.76s to AAA 2026-01-16 ISCA January Classic 2026 venue
50 Freestyle LCM 26.79 A+0.50s to AA 2025-06-19 2025 Tennessee Aquatics June Invite
100 Freestyle LCM 59.02 A+1.33s to AA 2025-07-12 2025 CO TOPS SBL Summer Sizzler venue
200 Freestyle LCM 2:11.77 BB+0.18s to A 2025-06-28 2025 CO Zone 2 DU Meet venue
400 Freestyle LCM 4:42.23 BB+1.54s to A 2024-07-20 2024 CO CSI Senior LC Championships venue
800 Freestyle LCM 10:21.35 BB+33.66s to A 2023-04-15 2023 CO FST LC Spring Fever venue
1500 Freestyle LCM 20:38.40 B+20.01s to BB 2024-06-23 2024 CO ACES Summer Invite venue
50 Backstroke LCM 33.39 BB+1.40s to A 2026-06-10 2026 CO HRA Sprint Eliminator venue
100 Backstroke LCM 1:09.54 BB+2.55s to A 2025-07-12 2025 CO TOPS SBL Summer Sizzler
200 Backstroke LCM 2:29.04 BB+3.15s to A 2024-07-21 2024 CO CSI Senior LC Championships venue
50 Breaststroke LCM 34.11 A+0.42s to AA 2026-06-10 2026 CO HRA Sprint Eliminator venue
100 Breaststroke LCM 1:11.91 A+0.32s to AA 2025-06-19 2025 Tennessee Aquatics June Invite
200 Breaststroke LCM 2:34.84 AA+5.15s to AAA 2025-07-19 2025 CO CSI Senior LC State Championships venue
50 Butterfly LCM 27.65 AA+0.26s to AAA 2025-07-19 2025 CO CSI Senior LC State Championships venue
100 Butterfly LCM 1:01.32 AA+2.43s to AAA 2025-07-18 2025 CO CSI Senior LC State Championships venue
200 Butterfly LCM 2:21.22 A+3.33s to AA 2025-07-20 2025 CO CSI Senior LC State Championships venue
200 Individual Medley LCM 2:18.72 AA+3.03s to AAA 2025-07-20 2025 CO CSI Senior LC State Championships venue
400 Individual Medley LCM 4:59.26 AA+7.77s to AAA 2024-07-31 WZ LCM Senior Champs 2024 venue

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

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 SCY 33.20 flat 200 Free Relay 2019-11-02 2019 CO CMA Mountain High Point Challenge
50 Freestyle SCY 23.11 flying 200 Free Relay (leg 2) 2024-12-07 2024 CO CSI Pioneer Open
100 Freestyle SCY 58.29 flying 400 Free Relay (leg 4) 2022-02-27 2022 CO CSI SC Age Group Championships
50 Butterfly SCY 26.40 flying 200 Medley Relay (leg 3) 2024-03-10 2024 CO NJ Mile High Championships
100 Freestyle LCM 1:07.04 flat 400 Free Relay 2022-07-21 2022 CO CSI Senior LC Championships
200 Freestyle LCM 2:12.80 flying 800 Free Relay (leg 3) 2024-07-31 WZ LCM Senior Champs 2024
100 Backstroke LCM 1:20.23 flat 400 Medley Relay 2022-07-21 2022 CO CSI Senior 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

4576 points (6/6 events)

EventTime Points
500 FR SCY 5:16.53 637
200 BK SCY 2:11.44 553
200 BR SCY 1:59.21 1063
200 FL SCY 1:58.69 791
200 IM SCY 2:02.07 743
400 IM SCY 4:17.55 789

IMR 17-18 · LCM

3549 points (5/5 events)

EventTime Points
200 FR LCM 2:11.77 659
100 BK LCM 1:09.54 585
100 BR LCM 1:11.91 741
100 FL LCM 1:01.32 761
200 IM LCM 2:18.72 803

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

PR splits

100 Freestyle SCY 53.54

25.53
28.01

Front half 25.53s · back half 28.01s

500 Freestyle SCY 5:16.53

27.15
30.11
31.30
31.77
32.41
32.51
33.03
33.90
33.04
31.31

Front half 152.74s · back half 163.79s

100 Backstroke SCY 1:03.33

30.69
32.64

Front half 30.69s · back half 32.64s

200 Backstroke SCY 2:11.44

31.73
33.53
32.95
33.23

Front half 65.26s · back half 66.18s

100 Breaststroke SCY 1:01.82

29.13
32.69

Front half 29.13s · back half 32.69s

100 Butterfly SCY 53.73

25.21
28.52

Front half 25.21s · back half 28.52s

100 Individual Medley SCY 1:03.48

28.83
34.65

Front half 28.83s · back half 34.65s

200 Individual Medley SCY 2:02.07

24.86
32.00
35.10
30.11

Front half 56.86s · back half 65.21s

400 Individual Medley SCY 4:17.55

26.41
30.85
34.41
33.17
35.37
36.32
31.07
29.95

Front half 124.84s · back half 132.71s

100 Freestyle LCM 59.02

28.77
30.25

Front half 28.77s · back half 30.25s

200 Freestyle LCM 2:11.77

30.28
32.96
33.99
34.54

Front half 63.24s · back half 68.53s

400 Freestyle LCM 4:42.23

32.27
34.62
34.92
36.17
36.60
36.47
36.19
34.99

Front half 137.98s · back half 144.25s

800 Freestyle LCM 10:21.35

34.76
37.70
40.37
39.01
38.43
40.29
36.75
41.28
35.99
41.57
37.62
43.89
33.46
42.71
34.75
42.77

Front half 308.59s · back half 312.76s

1500 Freestyle LCM 20:38.40

33.95
37.35
38.05
37.89
38.93
39.50
40.27
40.51
41.34
40.46
40.08
41.67
40.19
41.33
39.89
40.23
45.43
43.11
43.37
41.05
44.47
42.83
45.13
44.04
43.01
43.76
43.22
43.39
44.20
39.75

Front half 591.41s · back half 646.99s

200 Backstroke LCM 2:29.04

36.24
37.29
38.73
36.78

Front half 73.53s · back half 75.51s

100 Breaststroke LCM 1:11.91

34.12
37.79

Front half 34.12s · back half 37.79s

200 Breaststroke LCM 2:34.84

34.30
38.88
39.26
42.40

Front half 73.18s · back half 81.66s

100 Butterfly LCM 1:01.32

28.15
33.17

Front half 28.15s · back half 33.17s

200 Butterfly LCM 2:21.22

29.98
35.16
37.32
38.76

Front half 65.14s · back half 76.08s

200 Individual Medley LCM 2:18.72

28.66
35.83
39.86
34.37

Front half 64.49s · back half 74.23s

400 Individual Medley LCM 4:59.26

21.72
9.24
35.90
40.03
38.49
41.54
112.34

Reaction time

fastest 0.40s average 0.600s slowest 0.76s 14 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.

Progression

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

50 Freestyle SCY 23.90 20 swims
100 Freestyle SCY 53.54 16 swims
200 Freestyle SCY 1:54.48 9 swims
500 Freestyle SCY 5:16.53 13 swims
1000 Freestyle SCY 11:37.45 2 swims
1650 Freestyle SCY 17:27.80 5 swims
25 Backstroke SCY 22.09 2 swims
50 Backstroke SCY 38.76 11 swims
100 Backstroke SCY 1:03.33 6 swims
200 Backstroke SCY 2:11.44 7 swims
25 Breaststroke SCY 28.86 2 swims
50 Breaststroke SCY 39.09 11 swims
100 Breaststroke SCY 1:01.82 25 swims
200 Breaststroke SCY 1:59.21 35 swims
50 Butterfly SCY 24.72 10 swims
100 Butterfly SCY 53.73 35 swims
200 Butterfly SCY 1:58.69 46 swims
100 Individual Medley SCY 1:03.48 12 swims
200 Individual Medley SCY 2:02.07 31 swims
400 Individual Medley SCY 4:17.55 27 swims
50 Freestyle LCM 26.79 11 swims
100 Freestyle LCM 59.02 8 swims
200 Freestyle LCM 2:11.77 3 swims
400 Freestyle LCM 4:42.23 11 swims
800 Freestyle LCM 10:21.35 4 swims
1500 Freestyle LCM 20:38.40 1 swim
50 Backstroke LCM 33.39 5 swims
100 Backstroke LCM 1:09.54 8 swims
200 Backstroke LCM 2:29.04 12 swims
50 Breaststroke LCM 34.11 4 swims
100 Breaststroke LCM 1:11.91 15 swims
200 Breaststroke LCM 2:34.84 21 swims
50 Butterfly LCM 27.65 12 swims
100 Butterfly LCM 1:01.32 21 swims
200 Butterfly LCM 2:21.22 23 swims
200 Individual Medley LCM 2:18.72 23 swims
400 Individual Medley LCM 4:59.26 18 swims