Dash Liou-Johnson

Mage 16CCHIORPCKSCPASAUN

127 plausible swims · 31 meets · 2022-09-10 → 2026-06-28

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.48 BB+0.09s to A 2026-01-24 2026 Zone 1 North Championships venue
100 Freestyle SCY 52.14 A+0.85s to AA 2025-12-07 2025 Tualatin Hills Holiday Classic venue
200 Freestyle SCY 1:51.66 AA+4.57s to AAA 2025-12-05 2025 Tualatin Hills Holiday Classic venue
500 Freestyle SCY 5:03.23 AA+12.14s to AAA 2026-01-17 Cal Invitational Swim Meet venue
1650 Freestyle SCY 19:22.06 BB+59.27s to A 2023-12-16 Oahu Distance Meet venue
50 Backstroke SCY 36.34 +4.55s to B 2022-10-30 22nd Annual Bill Smith Invitational venue
100 Backstroke SCY 56.26 A+0.57s to AA 2025-12-06 2025 Tualatin Hills Holiday Classic venue
200 Backstroke SCY 2:00.12 AA+3.43s to AAA 2026-05-10 Pacific Swimming SCY/LCM Senior Post NCS Meet venue
50 Breaststroke SCY 43.99 +7.30s to B 2022-10-29 22nd Annual Bill Smith Invitational venue
100 Breaststroke SCY 1:25.88 +8.89s to B 2023-09-16 2023-HI- Oahu A+ Meet venue
200 Breaststroke SCY 2:59.93 +12.84s to B 2023-12-02 2023 HI 43rd Annual Ken Suenaga Invitational venue
50 Butterfly SCY 38.02 +6.23s to B 2022-10-29 22nd Annual Bill Smith Invitational venue
100 Butterfly SCY 1:00.96 BB+3.27s to A 2025-12-05 2025 Tualatin Hills Holiday Classic venue
200 Butterfly SCY 2:35.14 +4.45s to B 2023-10-28 2023 HI 23rd Annual Bill Smith Invitational venue
100 Individual Medley SCY 1:26.31 2022-09-24 2022 HI Al Minn Invitational slow pool
200 Individual Medley SCY 2:32.14 +0.85s to B 2023-12-02 2023 HI 43rd Annual Ken Suenaga Invitational venue
400 Individual Medley SCY 5:17.87 B+17.08s to BB 2023-12-03 2023 HI 43rd Annual Ken Suenaga Invitational venue
50 Freestyle LCM 28.10 A+1.01s to AA 2025-06-28 2025 TYR GO Challenge venue
100 Freestyle LCM 1:00.70 A+1.71s to AA 2025-06-29 2025 TYR GO Challenge venue
200 Freestyle LCM 2:14.50 A+5.31s to AA 2026-05-10 Pacific Swimming SCY/LCM Senior Post NCS Meet venue
400 Freestyle LCM 4:40.93 A+5.24s to AA 2026-06-27 2026 TYR GO Challenge venue
800 Freestyle LCM 9:52.13 A+20.84s to AA 2026-05-10 Pacific Swimming SCY/LCM Senior Post NCS Meet venue
1500 Freestyle LCM 18:36.00 A+16.61s to AA 2026-06-28 2026 TYR GO Challenge venue
100 Backstroke LCM 1:06.04 A+0.75s to AA 2026-06-27 2026 TYR GO Challenge venue
200 Backstroke LCM 2:25.72 A+4.23s to AA 2026-06-28 2026 TYR GO Challenge venue
100 Breaststroke LCM 1:42.10 +12.21s to B 2023-05-06 2023 HI Oahu Unclassifed Meet venue
200 Breaststroke LCM 3:35.68 +20.29s to B 2023-06-03 2023 HI 12th Annual Rainbow Aquatics Invite venue
200 Butterfly LCM 3:17.04 +24.75s to B 2023-07-01 2023 Keo Nakama Swim Meet venue
200 Individual Medley LCM 3:05.25 +8.76s to B 2023-06-03 2023 HI 12th Annual Rainbow Aquatics Invite venue

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 SCY 28.20 flying 200 Medley Relay (leg 4) 2023-12-03 2023 HI 43rd Annual Ken Suenaga Invitational

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

3108 points (6/6 events)

EventTime Points
500 FR SCY 5:03.23 756
200 BK SCY 2:00.12 782
200 BR SCY 2:59.93 337
200 FL SCY 2:35.14 383
200 IM SCY 2:32.14 411
400 IM SCY 5:17.87 439

IMR 15-16 · SCY

2771 points (5/5 events)

EventTime Points
200 FR SCY 1:51.66 762
100 BK SCY 56.26 731
100 BR SCY 1:25.88 303
100 FL SCY 1:00.96 564
200 IM SCY 2:32.14 411

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

PR splits

100 Freestyle SCY 52.14

24.94
27.20

Front half 24.94s · back half 27.20s

200 Freestyle SCY 1:51.66

25.55
28.17
29.09
28.85

Front half 53.72s · back half 57.94s

500 Freestyle SCY 5:03.23

26.37
29.05
30.29
30.90
30.95
31.32
31.53
31.48
31.17
30.17

Front half 147.56s · back half 155.67s

100 Backstroke SCY 56.26

27.35
28.91

Front half 27.35s · back half 28.91s

200 Backstroke SCY 2:00.12 RT 0.61s

28.26
30.61
30.80
30.45

Front half 58.87s · back half 61.25s

200 Breaststroke SCY 2:59.93

41.02
46.18
47.95
44.78

Front half 87.20s · back half 92.73s

100 Butterfly SCY 1:00.96

28.64
32.32

Front half 28.64s · back half 32.32s

200 Butterfly SCY 2:35.14

34.34
39.62
39.76
41.42

Front half 73.96s · back half 81.18s

100 Individual Medley SCY 1:26.31

38.17
48.14

Front half 38.17s · back half 48.14s

200 Individual Medley SCY 2:32.14

33.71
38.05
46.89
33.49

Front half 71.76s · back half 80.38s

400 Individual Medley SCY 5:17.87

34.91
40.23
40.42
38.68
49.18
46.02
35.08
33.35

Front half 154.24s · back half 163.63s

200 Freestyle LCM 2:14.50

30.16
33.62
35.76
34.96

Front half 63.78s · back half 70.72s

400 Freestyle LCM 4:40.93

65.97
72.40
72.66
69.90

Front half 138.37s · back half 142.56s

800 Freestyle LCM 9:52.13

31.63
35.67
36.99
37.17
37.81
37.37
37.98
37.88
37.97
37.72
38.26
37.76
18.14
57.18
37.41
35.19

Front half 292.50s · back half 299.63s

1500 Freestyle LCM 18:36.00

67.42
74.41
75.44
75.65
75.37
75.04
74.85
75.39
75.28
75.51
75.10
75.38
74.48
75.06
71.62

200 Backstroke LCM 2:25.72

70.57
75.15

Front half 70.57s · back half 75.15s

200 Breaststroke LCM 3:35.68

104.45
111.23

Front half 104.45s · back half 111.23s

200 Butterfly LCM 3:17.04

90.25
106.79

Front half 90.25s · back half 106.79s

200 Individual Medley LCM 3:05.25

88.21
97.04

Front half 88.21s · back half 97.04s

Reaction time

fastest 0.61s average 0.610s slowest 0.61s 1 electronic start

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 24.48 6 swims
100 Freestyle SCY 52.14 8 swims
200 Freestyle SCY 1:51.66 13 swims
500 Freestyle SCY 5:03.23 7 swims
1650 Freestyle SCY 19:22.06 1 swim
50 Backstroke SCY 36.34 3 swims
100 Backstroke SCY 56.26 15 swims
200 Backstroke SCY 2:00.12 11 swims
50 Breaststroke SCY 43.99 1 swim
100 Breaststroke SCY 1:25.88 2 swims
200 Breaststroke SCY 2:59.93 1 swim
50 Butterfly SCY 38.02 1 swim
100 Butterfly SCY 1:00.96 6 swims
200 Butterfly SCY 2:35.14 4 swims
100 Individual Medley SCY 1:26.31 1 swim
200 Individual Medley SCY 2:32.14 3 swims
400 Individual Medley SCY 5:17.87 2 swims
50 Freestyle LCM 28.10 2 swims
100 Freestyle LCM 1:00.70 5 swims
200 Freestyle LCM 2:14.50 4 swims
400 Freestyle LCM 4:40.93 5 swims
800 Freestyle LCM 9:52.13 1 swim
1500 Freestyle LCM 18:36.00 3 swims
100 Backstroke LCM 1:06.04 9 swims
200 Backstroke LCM 2:25.72 8 swims
100 Breaststroke LCM 1:42.10 1 swim
200 Breaststroke LCM 3:35.68 1 swim
200 Butterfly LCM 3:17.04 2 swims
200 Individual Medley LCM 3:05.25 1 swim