Mason Jacoby
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.54 | B+0.85s to BB·+6.15s to Sectionals | 2026-10-17 | 2026 RAYS Great Pumpkin Splash Invitational -venue |
| 100 Freestyle | SCY | 1:03.94 | B+3.55s to BB·+15.45s to Sectionals | 2026-10-18 | 2026 RAYS Great Pumpkin Splash Invitational -venue |
| 200 Freestyle | SCY | 2:31.36 | +8.77s to B·+45.07s to Sectionals | 2026-10-17 | 2026 RAYS Great Pumpkin Splash Invitational -venue |
| 500 Freestyle | SCY | 7:03.38 | +37.39s to B·+135.99s to Sectionals | 2026-04-18 | 2026 FXFX Pirate Pacervenue |
| 1000 Freestyle | SCY | 14:29.15 | +67.66s to B·+269.66s to Sectionals | 2026-01-17 | 2026 Duck Bowlvenue |
| 50 Backstroke | SCY | 35.74 | +2.05s to B·+12.05s to Futures | 2026-09-19 | 81 Classic Meet - 2026venue |
| 100 Backstroke | SCY | 1:20.11 | +8.72s to B·+25.62s to Sectionals | 2026-02-28 | 2026 Northern Region 13&O Championshipsvenue |
| 200 Backstroke | SCY | 2:55.56 | +20.37s to B·+56.97s to Sectionals | 2026-10-18 | 2026 RAYS Great Pumpkin Splash Invitational -venue |
| 50 Breaststroke | SCY | 40.05 | +1.46s to B·+13.76s to Futures | 2026-03-01 | 2026 Northern Region 13&O Championshipsvenue |
| 100 Breaststroke | SCY | 1:27.03 | +6.44s to B·+25.54s to Sectionals | 2026-10-17 | 2026 RAYS Great Pumpkin Splash Invitational -venue |
| 200 Breaststroke | SCY | 3:16.11 | +20.82s to B·+61.12s to Sectionals | 2026-10-18 | 2026 RAYS Great Pumpkin Splash Invitational -venue |
| 50 Butterfly | SCY | 32.08 | B+1.29s to BB·+9.19s to Futures | 2026-04-18 | 2026 FXFX Pirate Pacervenue |
| 100 Butterfly | SCY | 1:13.33 | +2.84s to B·+20.14s to Sectionals | 2026-11-07 | 2026 PWSC Fall Aqua-Festvenue |
| 100 Individual Medley | SCY | 1:16.91 | 2026-04-18 | 2026 FXFX Pirate Pacervenue | |
| 200 Individual Medley | SCY | 2:56.39 | +18.40s to B·+57.00s to Sectionals | 2026-04-19 | 2026 FXFX Pirate Pacervenue |
| 400 Individual Medley | SCY | 6:12.79 | +35.10s to B·+117.70s to Sectionals | 2026-11-07 | 2026 PWSC Fall Aqua-Festvenue |
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 Butterfly | SCY | 38.88 | flying | 200 Medley Relay (leg 3) | 2024-02-18 | 2024 North District 9-12 Championship |
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
1522 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:03.38 | 319 |
| 200 BK SCY | 2:55.56 | 288 |
| 200 BR SCY | 3:16.11 | 299 |
| 200 IM SCY | 2:56.39 | 303 |
| 400 IM SCY | 6:12.79 | 313 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
1661 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:31.36 | 352 |
| 100 BK SCY | 1:20.11 | 297 |
| 100 BR SCY | 1:27.03 | 334 |
| 100 FL SCY | 1:13.33 | 375 |
| 200 IM SCY | 2:56.39 | 303 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.94
Front half 30.41s · back half 33.53s
200 Freestyle SCY 2:31.36
Front half 72.09s · back half 79.27s
500 Freestyle SCY 7:03.38
1000 Freestyle SCY 14:29.15
Front half 432.36s · back half 436.79s
100 Backstroke SCY 1:20.11
Front half 38.49s · back half 41.62s
200 Backstroke SCY 2:55.56
Front half 86.90s · back half 88.66s
100 Breaststroke SCY 1:27.03
Front half 39.39s · back half 47.64s
200 Breaststroke SCY 3:16.11
Front half 95.73s · back half 100.38s
100 Butterfly SCY 1:13.33
Front half 33.32s · back half 40.01s
100 Individual Medley SCY 1:16.91
Front half 34.75s · back half 42.16s
200 Individual Medley SCY 2:56.39
Front half 80.80s · back half 95.59s
400 Individual Medley SCY 6:12.79
Front half 179.91s · back half 192.88s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
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.