swimIsaiah Portnoff
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.65 | B+1.96s to BB | 2026-03-22 | 2026 RMSC Spring Finale fast pool |
| 100 Freestyle | SCY | 1:07.28 | +2.19s to B | 2026-03-21 | 2026 RMSC Spring Finale fast pool |
| 200 Freestyle | SCY | 2:32.36 | +9.77s to B | 2026-03-22 | 2026 RMSC Spring Finale fast pool |
| 100 Backstroke | SCY | 1:22.19 | +10.80s to B | 2026-01-17 | PVS January Open 2026 - Fairland venue |
| 50 Breaststroke | SCY | 38.50 | B+2.71s to BB | 2026-03-22 | 2026 RMSC Spring Finale fast pool |
| 100 Breaststroke | SCY | 1:25.03 | +4.44s to B | 2026-03-21 | 2026 RMSC Spring Finale fast pool |
| 200 Breaststroke | SCY | 3:11.40 | +16.11s to B | 2025-11-16 | 2025 PV November Open - Franconia venue |
| 50 Butterfly | SCY | 37.00 | +3.81s to B | 2026-03-21 | 2026 RMSC Spring Finale fast pool |
| 200 Individual Medley | SCY | 2:54.88 | +16.89s to B | 2026-02-01 | 2026 Emperor Penguin Pentathlon venue |
| 50 Freestyle | LCM | 34.33 | +0.04s to B | 2026-04-25 | 2026 PAC Dive into Spring LC Meet venue |
| 50 Breaststroke | LCM | 46.15 | +2.06s to B | 2026-04-25 | 2026 PAC Dive into Spring LC Meet venue |
| 200 Breaststroke | LCM | 3:35.70 | +11.81s to B | 2026-04-25 | 2026 PAC Dive into Spring LC Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:11.23 | flying | 400 Medley Relay (leg 4) | 2025-12-06 | 2025 PV Turkey Claus Showdown |
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 13-14 · SCY
633 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 3:11.40 | 322 |
| 200 IM SCY | 2:54.88 | 311 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1289 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:32.36 | 345 |
| 100 BK SCY | 1:22.19 | 275 |
| 100 BR SCY | 1:25.03 | 358 |
| 200 IM SCY | 2:54.88 | 311 |
| 100 FL 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 1:07.28
Front half 31.86s · back half 35.42s
200 Freestyle SCY 2:32.36
Front half 72.96s · back half 79.40s
100 Backstroke SCY 1:22.19
Front half 40.36s · back half 41.83s
100 Breaststroke SCY 1:25.03
Front half 40.47s · back half 44.56s
200 Breaststroke SCY 3:11.40
Front half 92.12s · back half 99.28s
200 Individual Medley SCY 2:54.88
Front half 88.15s · back half 86.73s
200 Breaststroke LCM 3:35.70
Front half 104.33s · back half 111.37s
Progression
Faster times are higher. One card per event, all courses & history.