swimVivian Niu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.78 | AA+0.79s to AAA | 2025-03-01 | 2025 OH Tim Myers Memorial SC Senior Champs venue |
| 100 Freestyle | SCY | 58.60 | A+2.01s to AA | 2024-03-03 | 2024 OH Tim Myers Memorial SC Senior Champs venue |
| 200 Freestyle | SCY | 1:56.36 | AAA+4.67s to AAAA | 2026-03-06 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 500 Freestyle | SCY | 5:11.84 | AAA+10.55s to AAAA | 2025-10-24 | 2025 CLPR Halloween Meet |
| 1650 Freestyle | SCY | 18:33.29 | AA+16.60s to AAA | 2024-02-29 | 2024 OH Tim Myers Memorial SC Senior Champs venue |
| 100 Backstroke | SCY | 1:01.24 | A+0.05s to AA | 2024-02-22 | 2024 OHIO STATE HIGH SCHOOL DI fast pool |
| 200 Backstroke | SCY | 2:10.88 | AA+3.89s to AAA | 2024-02-29 | 2024 OH Tim Myers Memorial SC Senior Champs |
| 100 Individual Medley | SCY | 1:02.08 | 2026-03-06 | 2026 OH Tim Myers SC Senior Champs fast pool | |
| 200 Individual Medley | SCY | 2:17.05 | A+0.56s to AA | 2025-03-02 | 2025 OH Tim Myers Memorial SC Senior Champs venue |
| 400 Individual Medley | SCY | 4:46.99 | AA+8.80s to AAA | 2025-10-24 | 2025 CLPR Halloween Meet |
| 100 Freestyle | LCM | 1:02.60 | AA+1.11s to AAA | 2025-07-27 | 2025 OH LSC LC Senior Champs venue |
| 200 Freestyle | LCM | 2:17.91 | AA+4.82s to AAA | 2025-07-25 | 2025 OH LSC LC Senior Champs venue |
| 400 Freestyle | LCM | 4:45.65 | AA+4.56s to AAA | 2025-07-27 | 2025 OH LSC LC Senior Champs venue |
| 800 Freestyle | LCM | 10:55.65 | BB+20.26s to A | 2024-07-25 | 2024 OH LSC LC Senior Champs venue |
| 1500 Freestyle | LCM | 20:21.56 | BB+9.67s to A | 2024-07-25 | 2024 OH LSC LC Senior Champs venue |
| 50 Backstroke | LCM | 32.67 | AA+0.18s to AAA | 2025-07-25 | 2025 OH LSC LC Senior Champs venue |
| 100 Backstroke | LCM | 1:09.26 | AA+0.87s to AAA | 2025-07-26 | 2025 OH LSC LC Senior Champs venue |
| 200 Backstroke | LCM | 2:30.67 | AA+2.48s to AAA | 2025-07-25 | 2025 OH LSC LC Senior Champs venue |
| 200 Individual Medley | LCM | 2:40.74 | A+4.05s to AA | 2024-07-28 | 2024 OH LSC LC Senior Champs venue |
| 400 Individual Medley | LCM | 5:34.65 | A+2.06s to AA | 2026-03-27 | 2026 Central Zone East Spring Speedo Sectiona venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
IMX / IMR
IMX 17-18 · SCY
3106 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:11.84 | 867 |
| 200 BK SCY | 2:10.88 | 753 |
| 200 IM SCY | 2:17.05 | 717 |
| 400 IM SCY | 4:46.99 | 769 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 17-18 · SCY
2294 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:56.36 | 853 |
| 100 BK SCY | 1:01.24 | 724 |
| 200 IM SCY | 2:17.05 | 717 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 58.60
Front half 28.17s · back half 30.43s
200 Freestyle SCY 1:56.36
Front half 57.39s · back half 58.97s
1650 Freestyle SCY 18:33.29
100 Backstroke SCY 1:01.24
Front half 29.43s · back half 31.81s
200 Backstroke SCY 2:10.88
100 Individual Medley SCY 1:02.08
Front half 27.74s · back half 34.34s
200 Individual Medley SCY 2:17.05
Front half 62.50s · back half 74.55s
100 Freestyle LCM 1:02.60
Front half 30.49s · back half 32.11s
200 Freestyle LCM 2:17.91
Front half 66.93s · back half 70.98s
400 Freestyle LCM 4:45.65
Front half 140.96s · back half 144.69s
1500 Freestyle LCM 20:21.56
100 Backstroke LCM 1:09.26
Front half 33.06s · back half 36.20s
200 Backstroke LCM 2:30.67
Front half 74.36s · back half 76.31s
200 Individual Medley LCM 2:40.74
Front half 74.84s · back half 85.90s
400 Individual Medley LCM 5:34.65
Front half 156.31s · back half 178.34s
Progression
Faster times are higher. One card per event, all courses & history.