Marvin Sun
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 19.22 | 2026-05-02 | 2026 MAC May-hem Mini Meet | |
| 50 Freestyle | SCY | 42.86 | 2026-03-21 | 2026 Maryland 9-10 B Championship Meet | |
| 100 Freestyle | SCY | 1:41.55 | 2026-01-24 | 2026 MAC Robert J. Hogan Memorial Mini Meet | |
| 25 Backstroke | SCY | 20.83 | 2026-05-02 | 2026 MAC May-hem Mini Meet | |
| 50 Backstroke | SCY | 46.70 | 2026-05-02 | 2026 MAC May-hem Mini Meet | |
| 100 Backstroke | SCY | 1:42.19 | 2026-03-21 | 2026 Maryland 9-10 B Championship Meet | |
| 25 Breaststroke | SCY | 26.58 | 2026-05-02 | 2026 MAC May-hem Mini Meet | |
| 50 Breaststroke | SCY | 54.88 | 2026-05-02 | 2026 MAC May-hem Mini Meet | |
| 100 Breaststroke | SCY | 2:11.61 | 2025-12-05 | 2025 NBAC Holiday Invitational | |
| 25 Butterfly | SCY | 23.99 | 2026-05-02 | 2026 MAC May-hem Mini Meet | |
| 50 Butterfly | SCY | 33.75 | 2025-01-25 | 2025 MAC Robert J. Hogan Memorial Mini Meet | |
| 100 Individual Medley | SCY | 1:48.72 | 2026-03-21 | 2026 Maryland 9-10 B Championship Meet | |
| 100 Freestyle | LCM | 1:48.77 | 2026-06-20 | 2026 ASC Independence Meet fast pool | |
| 50 Backstroke | LCM | 59.41 | 2025-07-25 | 2025 Maryland Long Course Junior Championship | |
| 100 Backstroke | LCM | 1:58.57 | 2026-06-20 | 2026 ASC Independence Meet | |
| 50 Breaststroke | LCM | 1:02.39 | 2026-06-20 | 2026 ASC Independence Meet | |
| 50 Butterfly | LCM | 1:04.25 | 2026-06-20 | 2026 ASC Independence Meet |
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 | 43.56 | flying | 200 Free Relay (leg 2) | 2026-03-22 | 2026 Maryland 9-10 B Championship Meet |
| 50 Backstroke | SCY | 48.77 | flat | 200 Medley Relay | 2026-03-21 | 2026 Maryland 9-10 B Championship Meet |
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 10 & under · SCY
521 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:42.19 | 307 |
| 100 BR SCY | 2:11.61 | 214 |
| 200 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1854 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:41.55 | 213 |
| 50 BK SCY | 46.70 | 327 |
| 50 BR SCY | 54.88 | 291 |
| 50 FL SCY | 33.75 | 759 |
| 100 IM SCY | 1:48.72 | 264 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 2:11.61
Front half 64.18s · back half 67.43s
100 Freestyle LCM 1:48.77
Front half 54.14s · back half 54.63s
Progression
Faster times are higher. One card per event, all courses & history.