Olivia Chau
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.86 | AAA+0.17s to AAAA | 2022-12-02 | 2022 IE VAN Vandal Invitational |
| 100 Freestyle | SCY | 54.83 | AA+1.04s to AAA | 2024-12-22 | 2024 WA State Senior Short Course Champs venue |
| 200 Freestyle | SCY | 1:56.88 | AA+0.09s to AAA | 2024-12-20 | 2024 WA State Senior Short Course Champs venue |
| 500 Freestyle | SCY | 5:27.25 | A+0.16s to AA | 2025-03-07 | 2025 BBST Seize the Day Invitational venue |
| 100 Backstroke | SCY | 52.93 | AAAA | 2024-09-28 | 2024 PN IST Sockeye Sprints |
| 200 Backstroke | SCY | 2:28.05 | BB+9.36s to A | 2025-01-25 | 2025 PN IST Janurary Invitational venue |
| 50 Breaststroke | SCY | 31.50 | AAA+0.91s to AAAA | 2024-12-22 | 2024 WA State Senior Short Course Champs venue |
| 100 Breaststroke | SCY | 1:07.35 | AA+0.46s to AAA | 2024-12-20 | 2024 WA State Senior Short Course Champs venue |
| 200 Breaststroke | SCY | 2:27.88 | AA+2.59s to AAA | 2025-03-27 | 2025 Four Corners Speedo Sectionals - Austin venue |
| 50 Butterfly | SCY | 27.37 | AAA+1.18s to AAAA | 2025-01-16 | 2025 Washington Open |
| 100 Butterfly | SCY | 58.38 | AA+0.39s to AAA | 2022-12-02 | 2022 IE VAN Vandal Invitational |
| 200 Butterfly | SCY | 2:03.40 | AAA+0.71s to AAAA | 2023-12-01 | 2023 IE VAN Vandal Invitational - Club venue |
| 100 Individual Medley | SCY | 1:07.09 | 2025-01-26 | 2025 PN IST Janurary Invitational venue | |
| 200 Individual Medley | SCY | 2:17.57 | A+1.08s to AA | 2025-01-17 | 2025 Washington Open venue |
| 400 Individual Medley | SCY | 5:04.21 | BB+0.82s to A | 2024-11-17 | 2024 PN IST November Invitational venue |
| 50 Freestyle | LCM | 28.50 | AA+0.11s to AAA | 2025-07-19 | 2025 PN 13&O LC Senior Championships venue |
| 100 Freestyle | LCM | 1:01.22 | AAA+2.63s to AAAA | 2025-07-20 | 2025 PN 13&O LC Senior Championships venue |
| 200 Freestyle | LCM | 2:07.01 | AAA+0.02s to AAAA | 2025-05-02 | 2025 PN BC May Flowers |
| 400 Freestyle | LCM | 4:56.42 | A+3.03s to AA | 2024-07-20 | 2024 PN LC Senior Championships venue |
| 50 Backstroke | LCM | 42.58 | +0.79s to B | 2019-06-02 | 2019 IE VS Apple Capital slow pool |
| 100 Backstroke | LCM | 1:21.51 | B+1.12s to BB | 2025-06-15 | 2025 IST June Invtational venue |
| 200 Backstroke | LCM | 2:52.35 | BB+11.16s to A | 2024-05-19 | 2024 PN IST Sockeye Springtime Madness venue |
| 50 Breaststroke | LCM | 36.55 | AA+0.26s to AAA | 2025-07-20 | 2025 PN 13&O LC Senior Championships venue |
| 100 Breaststroke | LCM | 1:18.36 | AA+1.07s to AAA | 2024-07-19 | 2024 PN LC Senior Championships venue |
| 200 Breaststroke | LCM | 2:54.34 | AA+5.55s to AAA | 2024-07-20 | 2024 PN LC Senior Championships venue |
| 50 Butterfly | LCM | 32.38 | A+0.49s to AA | 2025-06-14 | 2025 IST June Invtational venue |
| 100 Butterfly | LCM | 1:13.91 | BB+1.72s to A | 2025-05-03 | 2025 PN BC May Flowers venue |
| 200 Butterfly | LCM | 2:53.34 | B+0.35s to BB | 2023-06-03 | 2023 IE VS Apple Capital slow pool |
| 200 Individual Medley | LCM | 2:38.15 | A+1.96s to AA | 2024-07-31 | GroupA - 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
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.63 | flat | 200 Free Relay | 2023-03-09 | 2023 Northwest Spring Speedo Sectionals |
| 50 Freestyle | SCY | 25.10 | flying | 200 Medley Relay (leg 4) | 2025-03-27 | 2025 Four Corners Speedo Sectionals - Austin |
| 50 Freestyle | SCY | 25.30 | flying | 200 Free Relay (leg 2) | 2025-03-27 | 2025 Four Corners Speedo Sectionals - Austin |
| 100 Freestyle | SCY | 55.03 | flat | 400 Free Relay | 2025-03-28 | 2025 Four Corners Speedo Sectionals - Austin |
| 100 Freestyle | SCY | 53.52 | flying | 400 Medley Relay (leg 4) | 2025-03-30 | 2025 Four Corners Speedo Sectionals - Austin |
| 100 Freestyle | SCY | 54.62 | flying | 400 Free Relay (leg 4) | 2025-01-18 | 2025 PN VAST 48th Annual Washington Open |
| 200 Freestyle | SCY | 1:59.65 | flying | 800 Free Relay (leg 4) | 2024-12-21 | 2024 WA State Senior Short Course Champs |
| 100 Freestyle | LCM | 1:05.18 | flying | 400 Medley Relay (leg 4) | 2024-03-17 | 2024 Northwest Spring Speedo Sectionals |
| 200 Freestyle | LCM | 2:19.27 | flying | 800 Free Relay (leg 2) | 2024-03-16 | 2024 Northwest Spring Speedo Sectionals |
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
4414 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:27.25 | 750 |
| 200 BK SCY | 2:28.05 | 520 |
| 200 BR SCY | 2:27.88 | 821 |
| 200 FL SCY | 2:03.40 | 968 |
| 200 IM SCY | 2:17.57 | 709 |
| 400 IM SCY | 5:04.21 | 646 |
IMR 17-18 · SCY
4336 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:56.88 | 842 |
| 100 BK SCY | 52.93 | 1100 |
| 100 BR SCY | 1:07.35 | 841 |
| 100 FL SCY | 58.38 | 844 |
| 200 IM SCY | 2:17.57 | 709 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.83
Front half 26.51s · back half 28.32s
200 Freestyle SCY 1:56.88
Front half 55.93s · back half 60.95s
500 Freestyle SCY 5:27.25
Front half 157.45s · back half 169.80s
200 Backstroke SCY 2:28.05
Front half 72.67s · back half 75.38s
100 Breaststroke SCY 1:07.35
Front half 32.79s · back half 34.56s
200 Breaststroke SCY 2:27.88
100 Butterfly SCY 58.38 split/total mismatch
200 Butterfly SCY 2:03.40 split/total mismatch
100 Individual Medley SCY 1:07.09
Front half 31.46s · back half 35.63s
200 Individual Medley SCY 2:17.57
Front half 65.30s · back half 72.27s
400 Individual Medley SCY 5:04.21
Front half 149.64s · back half 154.57s
400 Freestyle LCM 4:56.42
Front half 144.52s · back half 151.90s
200 Backstroke LCM 2:52.35 RT 0.88s
Front half 83.62s · back half 88.73s
200 Breaststroke LCM 2:54.34
Front half 81.57s · back half 92.77s
200 Butterfly LCM 2:53.34
Front half 81.61s · back half 91.73s
200 Individual Medley LCM 2:38.15
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.