swimMarcus Nguyen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:06.29 | BB+5.00s to A | 2025-11-22 | 2025 CA MVN Turkey Classic venue |
| 200 Freestyle | SCY | 2:22.28 | BB+8.59s to A | 2025-12-13 | 2025 CA SCS/SCAT WAG venue |
| 50 Backstroke | SCY | 34.38 | BB+1.69s to A | 2026-01-31 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 100 Backstroke | SCY | 1:11.59 | BB+2.30s to A | 2026-02-01 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 50 Breaststroke | SCY | 38.57 | BB+1.88s to A | 2026-01-31 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 100 Breaststroke | SCY | 1:36.58 | +3.99s to B | 2024-12-13 | 2024 CA SCAT/SCS WAG venue |
| 50 Butterfly | SCY | 31.87 | BB+0.68s to A | 2025-12-12 | 2025 CA SCS/SCAT WAG venue |
| 100 Butterfly | SCY | 1:10.47 | BB+1.18s to A | 2025-12-13 | 2025 CA SCS/SCAT WAG venue |
| 100 Individual Medley | SCY | 1:12.59 | BB+2.60s to A | 2026-02-01 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 200 Individual Medley | SCY | 2:36.33 | BB+4.04s to A | 2026-01-30 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 50 Freestyle | LCM | 33.51 | BB+1.42s to A | 2026-05-02 | 2026 CA MVN May BB Min LCM venue |
| 50 Backstroke | LCM | 39.81 | BB+2.02s to A | 2026-06-13 | ARMADA-2026 SCS June AG Invite venue |
| 100 Backstroke | LCM | 1:25.69 | BB+3.80s to A | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 50 Breaststroke | LCM | 44.48 | BB+2.49s to A | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 50 Butterfly | LCM | 36.11 | BB+0.82s to A | 2026-06-12 | ARMADA-2026 SCS June AG Invite venue |
| 100 Butterfly | LCM | 1:21.57 | BB+2.08s to A | 2026-06-11 | ARMADA-2026 SCS June AG Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.33 | flying | 200 Free Relay (leg 3) | 2025-02-15 | 2025 Desert Committee Championship |
| 50 Butterfly | SCY | 34.47 | flying | 200 Medley Relay (leg 3) | 2025-02-16 | 2025 Desert Committee Championship |
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 11-12 · SCY
2110 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:11.59 | 573 |
| 100 BR SCY | 1:36.58 | 345 |
| 100 FL SCY | 1:10.47 | 589 |
| 200 IM SCY | 2:36.33 | 603 |
| 500 FR SCY | — | 0 |
IMR 11-12 · SCY
2833 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:22.28 | 555 |
| 50 BK SCY | 34.38 | 551 |
| 50 BR SCY | 38.57 | 544 |
| 50 FL SCY | 31.87 | 587 |
| 100 IM SCY | 1:12.59 | 596 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:06.29
Front half 31.88s · back half 34.41s
200 Freestyle SCY 2:22.28
Front half 67.61s · back half 74.67s
100 Backstroke SCY 1:11.59
Front half 35.16s · back half 36.43s
100 Breaststroke SCY 1:36.58
Front half 46.27s · back half 50.31s
100 Butterfly SCY 1:10.47
Front half 33.65s · back half 36.82s
100 Individual Medley SCY 1:12.59
Front half 33.66s · back half 38.93s
200 Individual Medley SCY 2:36.33
Front half 72.85s · back half 83.48s
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.