Mason Bookstein
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.74 | +0.85s to B·+8.15s to Sectionals | 2026-03-28 | Alto Rock the Blocks Invitational 2026venue |
| 100 Freestyle | SCY | 1:07.32 | +2.23s to B·+18.33s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 200 Freestyle | SCY | 2:26.48 | +3.89s to B·+38.99s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 100 Backstroke | SCY | 1:22.59 | +11.20s to B·+26.50s to Sectionals | 2026-03-28 | Alto Rock the Blocks Invitational 2026venue |
| 50 Breaststroke | SCY | 46.90 | +8.31s to B·+19.71s to Sectionals | 2024-07-30 | Maccabivenue |
| 100 Breaststroke | SCY | 1:34.70 | +14.11s to B·+31.11s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 200 Breaststroke | SCY | 3:29.40 | +34.11s to B·+70.81s to Sectionals | 2026-02-08 | Alto Feb 7-8 CBA Valentines Dayvenue |
| 50 Butterfly | SCY | 39.98 | +6.79s to B·+16.29s to Sectionals | 2024-08-01 | Maccabivenue |
| 100 Butterfly | SCY | 1:17.21 | +6.72s to B·+23.22s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 200 Butterfly | SCY | 3:12.31 | +35.42s to B·+69.52s to Sectionals | 2026-02-07 | Alto Feb 7-8 CBA Valentines Dayvenue |
| 200 Individual Medley | SCY | 2:50.78 | +12.79s to B·+49.79s to Sectionals | 2026-03-29 | Alto Rock the Blocks Invitational 2026venue |
| 400 Individual Medley | SCY | 5:43.90 | +6.21s to B·+79.91s to Sectionals | 2026-02-08 | Alto Feb 7-8 CBA Valentines Dayvenue |
| 50 Freestyle | LCM | 34.68 | +0.39s to B·+8.69s to Sectionals | 2026-05-02 | Alto Spring Jam CBAvenue |
| 100 Freestyle | LCM | 1:15.64 | +0.55s to B·+19.05s to Sectionals | 2026-05-03 | Alto Spring Jam CBAvenue |
| 200 Freestyle | LCM | 2:46.15 | +2.16s to B·+42.66s to Sectionals | 2026-05-02 | Alto Spring Jam CBAvenue |
| 400 Freestyle | LCM | 5:56.92 | +7.03s to B·+94.73s to Sectionals | 2026-07-26 | Alto Last Splashvenue |
| 200 Backstroke | LCM | 3:18.32 | +16.33s to B·+58.53s to Sectionals | 2026-05-02 | Alto Spring Jam CBAvenue |
| 100 Breaststroke | LCM | 1:52.28 | +18.29s to B·+39.49s to Sectionals | 2026-05-03 | Alto Spring Jam CBAvenue |
| 50 Butterfly | LCM | 37.32 | +0.03s to B·+9.93s to Sectionals | 2026-07-26 | Alto Last Splashvenue |
| 100 Butterfly | LCM | 1:31.15 | +10.86s to B·+29.66s to Sectionals | 2026-07-25 | Alto Last Splashvenue |
| 200 Individual Medley | LCM | 3:09.16 | +6.17s to B·+49.77s to Sectionals | 2026-05-03 | Alto Spring Jam CBAvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.14 | flying | 200 Free Relay (leg 4) | 2026-03-28 | Alto Rock the Blocks Invitational 2026 |
| 50 Breaststroke | SCY | 41.13 | flying | 200 Medley Relay (leg 2) | 2026-03-29 | Alto Rock the Blocks Invitational 2026 |
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
1205 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 3:29.40 | 245 |
| 200 FL SCY | 3:12.31 | 228 |
| 200 IM SCY | 2:50.78 | 333 |
| 400 IM SCY | 5:43.90 | 399 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
IMR 13-14 · SCY
1572 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:26.48 | 388 |
| 100 BK SCY | 1:22.59 | 271 |
| 100 BR SCY | 1:34.70 | 259 |
| 100 FL SCY | 1:17.21 | 321 |
| 200 IM SCY | 2:50.78 | 333 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:22.59
Front half 39.97s · back half 42.62s
200 Breaststroke SCY 3:29.40
200 Butterfly SCY 3:12.31
Front half 89.50s · back half 102.81s
200 Individual Medley SCY 2:50.78
Front half 79.77s · back half 91.01s
400 Individual Medley SCY 5:43.90
200 Freestyle LCM 2:46.15
Front half 79.88s · back half 86.27s
400 Freestyle LCM 5:56.92
Front half 178.05s · back half 178.87s
200 Backstroke LCM 3:18.32
Front half 98.85s · back half 99.47s
200 Individual Medley LCM 3:09.16
Front half 89.65s · back half 99.51s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.