Marina Zhao
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 200 Freestyle | SCY | 1:56.95 | AAA+1.56s to AAAA·Sectionals ✓+4.66s to Futures | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel |
| 500 Freestyle | SCY | 5:09.96 | AAA+0.67s to AAAA·Sectionals ✓+7.37s to Futures | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel |
| 1000 Freestyle | SCY | 10:51.76 | AAA+12.67s to AAAA·Sectionals ✓+31.27s to Futures | 2025-01-01 | 1661853 |
| 50 Butterfly | SCY | 27.05 | AAA+0.06s to AAAA·+1.36s to Futures | 2025-01-01 | 1661853 |
| 100 Butterfly | SCY | 58.74 | AAA+1.05s to AAAA·Sectionals ✓+2.15s to Futures | 2025-01-01 | 1661853 |
| 200 Butterfly | SCY | 2:04.83 | AAAA·Futures ✓+3.14s to Winter JNs | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel |
| 200 Individual Medley | SCY | 2:13.85 | AAA+4.46s to AAAA·Sectionals ✓+7.46s to Futures | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel |
| 200 Freestyle | LCM | 2:13.16 | AAA+1.57s to AAAA·Sectionals ✓+5.37s to Futures | 2025-07-18 | 2025 Speedo Sectionals - Mt Hood WZvenue |
| 400 Freestyle | LCM | 4:38.20 | AAA+1.51s to AAAA·Sectionals ✓+9.41s to Futures | 2025-07-19 | 2025 Speedo Sectionals - Mt Hood WZvenue |
| 800 Freestyle | LCM | 9:42.20 | AAA+7.61s to AAAA·Sectionals ✓+28.41s to Futures | 2026-07-16 | 2026 Speedo LCM Sectionals - Boise, IDvenue |
| 50 Butterfly | LCM | 31.68 | AA+0.29s to AAA·+2.19s to Futures | 2026-07-16 | 2026 Speedo LCM Sectionals - Boise, IDvenue |
| 100 Butterfly | LCM | 1:05.69 | AAA+0.10s to AAAA·Sectionals ✓+1.00s to Futures | 2025-07-19 | 2025 Speedo Sectionals - Mt Hood WZvenue |
| 200 Butterfly | LCM | 2:21.59 | AAAA·Futures ✓+3.20s to Jr Nationals | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZvenue |
| 200 Individual Medley | LCM | 2:33.55 | AAA+5.46s to AAAA·Sectionals ✓+7.36s to Futures | 2025-07-20 | 2025 Speedo Sectionals - Mt Hood WZvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.92 | flat | 200 Free Relay | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel - |
| 100 Freestyle | SCY | 55.10 | flying | 400 Free Relay (leg 4) | 2026-03-27 | 2026 Four Corner Speedo Sectionals - Carmel - |
| 200 Freestyle | SCY | 1:55.85 | flat | 800 Free Relay | 2026-03-28 | 2026 Four Corner Speedo Sectionals - Carmel - |
| 50 Butterfly | SCY | 27.25 | flying | 200 Medley Relay (leg 3) | 2026-03-26 | 2026 Four Corner Speedo Sectionals - Carmel - |
| 100 Butterfly | SCY | 1:00.08 | flying | 400 Medley Relay (leg 3) | 2026-03-29 | 2026 Four Corner Speedo Sectionals - Carmel - |
| 50 Freestyle | LCM | 29.47 | flat | 200 Free Relay | 2026-07-16 | 2026 Speedo LCM Sectionals - Boise, ID |
| 50 Freestyle | LCM | 29.77 | flying | 200 Free Relay (leg 3) | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 100 Freestyle | LCM | 1:03.40 | flat | 400 Free Relay | 2026-07-17 | 2026 Speedo LCM Sectionals - Boise, ID |
| 100 Freestyle | LCM | 1:02.77 | flying | 400 Free Relay (leg 3) | 2025-07-18 | 2025 Speedo Sectionals - Mt Hood WZ |
| 200 Freestyle | LCM | 2:11.90 | flying | 800 Free Relay (leg 4) | 2025-07-19 | 2025 Speedo Sectionals - Mt Hood WZ |
| 50 Butterfly | LCM | 30.67 | flying | 200 Medley Relay (leg 3) | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 100 Butterfly | LCM | 1:07.91 | flying | 400 Medley Relay (leg 3) | 2025-07-20 | 2025 Speedo Sectionals - Mt Hood WZ |
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 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 split/total mismatch
500 Freestyle SCY 5:09.96 split/total mismatch
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 split/total mismatch
Front half 31.93s · back half 92.90s
200 Individual Medley SCY 2:13.85 split/total mismatch
200 Freestyle LCM 2:13.16
Front half 64.99s · back half 68.17s
400 Freestyle LCM 4:38.20
Front half 138.37s · back half 139.83s
800 Freestyle LCM 9:42.20
Front half 289.27s · back half 292.93s
100 Butterfly LCM 1:05.69
Front half 31.18s · back half 34.51s
200 Butterfly LCM 2:21.59
Front half 68.69s · back half 72.90s
200 Individual Medley LCM 2:33.55
Front half 73.36s · back half 80.19s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.