Marina Zhao
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 200 Freestyle | SCY | 1:56.95 | AAAA | 2026-03-27 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 500 Freestyle | SCY | 5:09.96 | AAAA | 2026-03-28 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 1000 Freestyle | SCY | 10:51.76 | AAAA | 2025-01-01 | 1661853 |
| 50 Butterfly | SCY | 27.05 | AAAA | 2025-01-01 | 1661853 |
| 100 Butterfly | SCY | 58.74 | AAAA | 2025-01-01 | 1661853 |
| 200 Butterfly | SCY | 2:04.83 | AAAA | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 200 Individual Medley | SCY | 2:13.85 | AAA+1.36s to AAAA | 2026-03-29 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 200 Freestyle | LCM | 2:13.16 | AAAA | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 400 Freestyle | LCM | 4:38.20 | AAAA | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 100 Butterfly | LCM | 1:05.69 | AAAA | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 200 Butterfly | LCM | 2:21.59 | AAAA | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 200 Individual Medley | LCM | 2:33.55 | AAA+1.76s to AAAA | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 13-14 · SCY
2970 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:09.96 | 992 |
| 200 FL SCY | 2:04.83 | 1088 |
| 200 IM SCY | 2:13.85 | 890 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · LCM
2841 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:13.16 | 962 |
| 100 FL LCM | 1:05.69 | 986 |
| 200 IM LCM | 2:33.55 | 893 |
| 100 BK LCM | — | 0 |
| 100 BR LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:56.95
Front half 56.97s · back half 59.98s
500 Freestyle SCY 5:09.96
Front half 153.74s · back half 156.22s
1000 Freestyle SCY 10:51.76
Front half 320.61s · back half 331.15s
100 Butterfly SCY 58.74
Front half 27.31s · back half 31.43s
200 Butterfly SCY 2:04.83
Front half 60.16s · back half 64.67s
200 Individual Medley SCY 2:13.85
Front half 63.06s · back half 70.79s
Progression
Faster times are higher. One card per event, all courses & history.