swimKatherine Nguyen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 1:11.74 | 2025-10-14 | 2025 PN MMSC Fall Invite | |
| 50 Freestyle | SCY | 35.01 | B+2.02s to BB | 2025-12-07 | 2025 PN Fall Divisionals, Division 3 - WAVE fast pool |
| 100 Freestyle | SCY | 1:14.70 | B+2.51s to BB | 2026-05-16 | 2026 PN SRST Pacific Coast Invitational-App venue |
| 200 Freestyle | SCY | 2:54.88 | +5.79s to B | 2026-03-08 | 2026 PN C March Madness -Approved venue |
| 50 Backstroke | SCY | 38.92 | B+1.23s to BB | 2026-03-08 | 2026 PN C March Madness -Approved venue |
| 100 Backstroke | SCY | 1:36.75 | +6.06s to B | 2025-10-19 | 2025 PN IST Fall Open venue |
| 50 Breaststroke | SCY | 47.96 | +2.47s to B | 2026-05-16 | 2026 PN SRST Pacific Coast Invitational-App venue |
| 50 Butterfly | SCY | 45.03 | +6.14s to B | 2026-05-16 | 2026 PN SRST Pacific Coast Invitational-App venue |
| 100 Butterfly | SCY | 1:34.58 | +3.79s to B | 2026-03-08 | 2026 PN C March Madness -Approved venue |
| 100 Individual Medley | SCY | 1:31.15 | +2.46s to B | 2026-02-22 | 2026 PN SRST Champs Qualifier- Approved venue |
| 400 Individual Medley | SCY | 7:01.99 | +9.90s to B | 2026-01-18 | 2026 PN BC Jan. Mid Distance Invite- Approved venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 | 1:15.91 | flying | 200 Free Relay (leg 2) | 2025-09-27 | 2025 PN IST Sockeye Sprints |
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
550 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:36.75 | 272 |
| 100 FL SCY | 1:34.58 | 278 |
| 500 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
1656 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:54.88 | 338 |
| 50 BK SCY | 38.92 | 417 |
| 50 BR SCY | 47.96 | 325 |
| 50 FL SCY | 45.03 | 232 |
| 100 IM SCY | 1:31.15 | 344 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:14.70 · 5.5 min after 50 Breaststroke
Front half 35.86s · back half 38.84s
200 Freestyle SCY 2:54.88
Front half 86.10s · back half 88.78s
100 Backstroke SCY 1:36.75
Front half 47.25s · back half 49.50s
100 Butterfly SCY 1:34.58
Front half 43.80s · back half 50.78s
100 Individual Medley SCY 1:31.15
Front half 43.48s · back half 47.67s
400 Individual Medley SCY 7:01.99
Front half 202.55s · back half 219.44s
Progression
Faster times are higher. One card per event, all courses & history.