swimJamison Marggraf
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.06 | B+1.57s to BB·+9.47s to Sectionals | 2025-02-09 | 2025 RSCA Qualifiervenue |
| 100 Freestyle | SCY | 1:13.04 | +1.55s to B·+24.05s to Sectionals | 2025-02-08 | 2025 RSCA Qualifiervenue |
| 200 Freestyle | SCY | 2:41.38 | +5.39s to B·+53.89s to Sectionals | 2025-02-09 | 2025 RSCA Qualifiervenue |
| 50 Backstroke | SCY | 37.85 | B+2.26s to BB·+13.36s to Sectionals | 2025-02-09 | 2025 RSCA Qualifiervenue |
| 100 Backstroke | SCY | 1:30.09 | +7.90s to B·+34.00s to Sectionals | 2024-09-22 | 2024 RCA Fall Classicvenue |
| 50 Breaststroke | SCY | 44.74 | +1.25s to B·+17.55s to Sectionals | 2025-02-09 | 2025 RSCA Qualifiervenue |
| 100 Breaststroke | SCY | 1:39.53 | +6.94s to B·+35.94s to Sectionals | 2024-12-14 | 2024 Saluki Merry Swim Invitationalvenue |
| 50 Butterfly | SCY | 38.09 | +1.00s to B·+14.40s to Sectionals | 2025-02-08 | 2025 RSCA Qualifiervenue |
| 100 Individual Medley | SCY | 1:23.03 | +1.14s to B | 2025-02-08 | 2025 RSCA Qualifiervenue |
| 200 Individual Medley | SCY | 3:15.92 | +16.63s to B·+74.93s to Sectionals | 2024-12-14 | 2024 Saluki Merry Swim Invitationalvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 33.30 | flying | 200 Medley Relay (leg 4) | 2024-12-14 | 2024 Saluki Merry Swim Invitational |
| 50 Backstroke | SCY | 39.98 | flat | 200 Medley Relay | 2024-09-22 | 2024 RCA Fall Classic |
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
908 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:30.09 | 287 |
| 100 BR SCY | 1:39.53 | 315 |
| 200 IM SCY | 3:15.92 | 306 |
| 500 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
IMR 11-12 · SCY
1883 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:41.38 | 380 |
| 50 BK SCY | 37.85 | 413 |
| 50 BR SCY | 44.74 | 348 |
| 50 FL SCY | 38.09 | 344 |
| 100 IM SCY | 1:23.03 | 398 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:13.04
Front half 35.45s · back half 37.59s
200 Freestyle SCY 2:41.38
Front half 76.88s · back half 84.50s
100 Backstroke SCY 1:30.09
Front half 45.47s · back half 44.62s
100 Breaststroke SCY 1:39.53
Front half 47.41s · back half 52.12s
100 Individual Medley SCY 1:23.03
Front half 38.03s · back half 45.00s
200 Individual Medley SCY 3:15.92
Front half 93.08s · back half 102.84s
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.