Nathan Siy
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.66 | A+0.67s to AA | 2026-03-22 | 2026 IN Swimming Age Group Short Course Champ fast pool |
| 100 Freestyle | SCY | 1:01.00 | A+2.21s to AA | 2026-03-20 | 2026 IN Swimming Age Group Short Course Champ fast pool |
| 200 Freestyle | SCY | 2:23.89 | BB+10.20s to A | 2025-03-21 | 2025 IN Swimming Age Group Short Course Champ venue |
| 500 Freestyle | SCY | 6:02.25 | BB+2.26s to A | 2026-03-06 | 2026 Spring SE ISI Divisional Championships - venue |
| 800 Freestyle | SCY | 12:49.63 | 2026-06-24 | 2026 IN Open Water Championships venue | |
| 50 Backstroke | SCY | 32.26 | A+1.07s to AA | 2026-03-21 | 2026 IN Swimming Age Group Short Course Champ fast pool |
| 100 Backstroke | SCY | 1:09.35 | BB+0.06s to A | 2026-03-08 | 2026 Spring SE ISI Divisional Championships - venue |
| 50 Butterfly | SCY | 31.75 | BB+0.56s to A | 2026-03-08 | 2026 Spring SE ISI Divisional Championships - venue |
| 100 Butterfly | SCY | 1:09.38 | BB+0.09s to A | 2026-03-21 | 2026 IN Swimming Age Group Short Course Champ fast pool |
| 200 Individual Medley | SCY | 2:30.94 | A+5.35s to AA | 2026-03-06 | 2026 Spring SE ISI Divisional Championships - venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 29.52 | flat | 200 Free Relay | 2025-03-23 | 2025 IN Swimming Age Group Short Course Champ |
| 50 Freestyle | SCY | 27.20 | flying | 200 Free Relay (leg 4) | 2026-03-22 | 2026 IN Swimming Age Group Short Course Champ |
| 50 Breaststroke | SCY | 37.84 | flying | 200 Medley Relay (leg 2) | 2026-03-08 | 2026 Spring SE ISI Divisional Championships - |
| 50 Freestyle | LCM | 37.12 | flying | 200 Free Relay (leg 2) | 2024-07-12 | 2024 IN Swimming Swimfest |
| 50 Freestyle | LCM | 33.76 | flying | 200 Medley Relay (leg 4) | 2024-07-13 | 2024 IN Swimming Swimfest |
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
2575 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:02.25 | 657 |
| 100 BK SCY | 1:09.35 | 631 |
| 100 FL SCY | 1:09.38 | 617 |
| 200 IM SCY | 2:30.94 | 670 |
| 100 BR SCY | — | 0 |
IMR 11-12 · SCY
1798 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:23.89 | 537 |
| 50 BK SCY | 32.26 | 667 |
| 50 FL SCY | 31.75 | 594 |
| 50 BR SCY | — | 0 |
| 100 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:01.00
Front half 29.25s · back half 31.75s
200 Freestyle SCY 2:23.89
Front half 68.15s · back half 75.74s
500 Freestyle SCY 6:02.25
Front half 176.69s · back half 185.56s
100 Backstroke SCY 1:09.35
Front half 33.28s · back half 36.07s
100 Butterfly SCY 1:09.38
Front half 33.21s · back half 36.17s
200 Individual Medley SCY 2:30.94
Front half 71.11s · back half 79.83s
Progression
Faster times are higher. One card per event, all courses & history.