Dash Liou-Johnson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 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
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 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)
| Event | Time | 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)
| Event | Time | 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
Front half 24.94s · back half 27.20s
200 Freestyle SCY 1:51.66
Front half 53.72s · back half 57.94s
500 Freestyle SCY 5:03.23
Front half 147.56s · back half 155.67s
100 Backstroke SCY 56.26
Front half 27.35s · back half 28.91s
200 Backstroke SCY 2:00.12 RT 0.61s
Front half 58.87s · back half 61.25s
200 Breaststroke SCY 2:59.93
Front half 87.20s · back half 92.73s
100 Butterfly SCY 1:00.96
Front half 28.64s · back half 32.32s
200 Butterfly SCY 2:35.14
Front half 73.96s · back half 81.18s
100 Individual Medley SCY 1:26.31
Front half 38.17s · back half 48.14s
200 Individual Medley SCY 2:32.14
Front half 71.76s · back half 80.38s
400 Individual Medley SCY 5:17.87
Front half 154.24s · back half 163.63s
200 Freestyle LCM 2:14.50
Front half 63.78s · back half 70.72s
400 Freestyle LCM 4:40.93
Front half 138.37s · back half 142.56s
800 Freestyle LCM 9:52.13
Front half 292.50s · back half 299.63s
1500 Freestyle LCM 18:36.00
200 Backstroke LCM 2:25.72
Front half 70.57s · back half 75.15s
200 Breaststroke LCM 3:35.68
Front half 104.45s · back half 111.23s
200 Butterfly LCM 3:17.04
Front half 90.25s · back half 106.79s
200 Individual Medley LCM 3:05.25
Front half 88.21s · back half 97.04s
Reaction time
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.