swimJonathan Feng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.99 | +0.20s to B | 2026-02-08 | 2026 GCST WINTER OPEN venue |
| 100 Freestyle | SCY | 1:17.78 | +6.29s to B | 2026-02-07 | 2026 GCST WINTER OPEN venue |
| 50 Backstroke | SCY | 40.61 | +2.12s to B | 2025-11-22 | 2025 SDA November Open venue |
| 100 Backstroke | SCY | 1:06.77 | A+0.78s to AA | 2025-02-08 | 2025 GCST WINTER INVITE |
| 50 Breaststroke | SCY | 44.59 | +1.10s to B | 2026-02-07 | 2026 GCST WINTER OPEN venue |
| 100 Breaststroke | SCY | 1:35.69 | +3.10s to B | 2026-02-08 | 2026 GCST WINTER OPEN venue |
| 50 Butterfly | SCY | 41.98 | +4.89s to B | 2025-09-20 | 2025 GCST FALL INVITE venue |
| 100 Butterfly | SCY | 1:34.43 | +11.54s to B | 2025-09-21 | 2025 GCST FALL INVITE venue |
| 100 Individual Medley | SCY | 1:26.51 | +4.62s to B | 2026-02-07 | 2026 GCST WINTER OPEN venue |
| 50 Freestyle | LCM | 36.79 | B+2.00s to BB | 2026-04-18 | 2026 GCST Spring Open venue |
| 100 Freestyle | LCM | 1:37.60 | +15.51s to B | 2025-06-20 | 2025 GCST MARK MCCAW SUMMER venue |
| 50 Backstroke | LCM | 44.82 | +0.23s to B | 2025-06-20 | 2025 GCST MARK MCCAW SUMMER |
| 100 Backstroke | LCM | 1:48.87 | +11.68s to B | 2025-06-20 | 2025 GCST MARK MCCAW SUMMER venue |
| 50 Breaststroke | LCM | 48.24 | B+2.35s to BB | 2026-04-19 | 2026 GCST Spring Open venue |
| 100 Breaststroke | LCM | 1:59.76 | +11.97s to B | 2025-06-20 | 2025 GCST MARK MCCAW SUMMER |
| 50 Butterfly | LCM | 45.84 | +3.85s to B | 2026-04-18 | 2026 GCST Spring Open 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 Breaststroke | LCM | 49.03 | flying | 200 Medley Relay (leg 2) | 2026-04-19 | 2026 GCST Spring Open |
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
1307 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:06.77 | 707 |
| 100 BR SCY | 1:35.69 | 355 |
| 100 FL SCY | 1:34.43 | 245 |
| 500 FR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
1294 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 40.61 | 334 |
| 50 BR SCY | 44.59 | 352 |
| 50 FL SCY | 41.98 | 256 |
| 100 IM SCY | 1:26.51 | 352 |
| 200 FR 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 1:17.78
Front half 37.39s · back half 40.39s
100 Breaststroke SCY 1:35.69
Front half 45.33s · back half 50.36s
100 Butterfly SCY 1:34.43
Front half 44.16s · back half 50.27s
100 Individual Medley SCY 1:26.51
Front half 42.90s · back half 43.61s
100 Freestyle LCM 1:37.60
Front half 44.85s · back half 52.75s
100 Backstroke LCM 1:48.87
Front half 53.25s · back half 55.62s
Progression
Faster times are higher. One card per event, all courses & history.