Isaiah Day
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.28 | A+0.59s to AA | 2025-07-20 | 2025 ISI Summer Regional Championship - SCST venue |
| 100 Freestyle | SCY | 50.60 | A+0.71s to AA | 2025-07-19 | 2025 ISI Summer Regional Championship - SCST venue |
| 200 Freestyle | SCY | 1:49.39 | AA+4.00s to AAA | 2025-07-20 | 2025 ISI Summer Regional Championship - SCST venue |
| 500 Freestyle | SCY | 4:58.16 | AA+11.47s to AAA | 2025-07-18 | 2025 ISI Summer Regional Championship - SCST |
| 50 Butterfly | SCY | 25.07 | AA+0.78s to AAA | 2025-03-08 | 2025 SC Illinois Senior Championships venue |
| 100 Butterfly | SCY | 54.97 | A+1.08s to AA | 2025-07-19 | 2025 ISI Summer Regional Championship - SCST venue |
| 200 Individual Medley | SCY | 2:14.20 | BB+7.41s to A | 2025-01-01 | 1637869 |
| 50 Freestyle | LCM | 28.22 | BB+0.83s to A | 2024-05-11 | Blue Devil Swim Club May Mania venue |
| 100 Freestyle | LCM | 1:03.33 | BB+3.14s to A | 2024-05-12 | Blue Devil Swim Club May Mania venue |
| 200 Freestyle | LCM | 2:19.51 | BB+7.92s to A | 2024-05-11 | Blue Devil Swim Club May Mania venue |
| 100 Backstroke | LCM | 1:19.08 | +0.89s to B | 2024-05-12 | Blue Devil Swim Club May Mania venue |
| 200 Backstroke | LCM | 2:51.43 | +1.24s to B | 2024-05-11 | Blue Devil Swim Club May Mania venue |
| 100 Butterfly | LCM | 1:16.76 | +1.77s to B | 2024-05-12 | Blue Devil Swim Club May Mania venue |
| 200 Butterfly | LCM | 3:05.51 | +17.72s to B | 2024-05-10 | Blue Devil Swim Club May Mania |
| 200 Individual Medley | LCM | 2:43.52 | B+3.13s to BB | 2024-05-12 | Blue Devil Swim Club May Mania venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Butterfly | SCY | 24.22 | flying | 200 Medley Relay (leg 3) | 2025-07-19 | 2025 ISI Summer Regional Championship - SCST |
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 17-18 · SCY
1321 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:58.16 | 762 |
| 200 IM SCY | 2:14.20 | 559 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2039 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:49.39 | 768 |
| 100 FL SCY | 54.97 | 712 |
| 200 IM SCY | 2:14.20 | 559 |
| 100 BK SCY | — | 0 |
| 100 BR 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 50.60
Front half 23.87s · back half 26.73s
200 Freestyle SCY 1:49.39
Front half 52.52s · back half 56.87s
500 Freestyle SCY 4:58.16 split/total mismatch
100 Butterfly SCY 54.97
Front half 25.41s · back half 29.56s
200 Freestyle LCM 2:19.51
Front half 67.21s · back half 72.30s
200 Backstroke LCM 2:51.43
Front half 83.47s · back half 87.96s
200 Individual Medley LCM 2:43.52
Front half 79.59s · back half 83.93s
Progression
Faster times are higher. One card per event, all courses & history.