swimArthur Sonnenburg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 56.12 | +23.33s to B·+33.53s to Sectionals | 2026-05-28 | 2026 MN WAVE A-May-Zing Minni Meetvenue |
| 50 Backstroke | SCY | 59.97 | +21.48s to B·+35.48s to Sectionals | 2026-01-25 | 2026 MN Tuna Frozen Festivalvenue |
| 50 Breaststroke | SCY | 1:09.04 | +25.55s to B·+41.85s to Sectionals | 2026-05-28 | 2026 MN WAVE A-May-Zing Minni Meetvenue |
| 50 Freestyle | LCM | 1:10.59 | +33.20s to B·+44.60s to Sectionals | 2026-07-12 | 2026 MN BAC Last Chance Invitationalvenue |
| 100 Freestyle | LCM | 2:26.70 | +64.61s to B·+90.11s to Sectionals | 2026-07-11 | 2026 MN BAC Last Chance Invitationalvenue |
| 200 Freestyle | LCM | 5:32.72 | +153.53s to B·+209.23s to Sectionals | 2026-06-19 | 2026 SD Aberdeen Summer High Point Swim Meetvenue |
| 50 Backstroke | LCM | 1:22.03 | +37.44s to B·+53.34s to Sectionals | 2026-07-11 | 2026 MN BAC Last Chance 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 | 1:07.93 | flying | 200 Medley Relay (leg 4) | 2025-12-14 | 2025 MN VCTY MMST Winter Splash |
| 50 Freestyle | SCY | 1:04.29 | flying | 200 Free Relay (leg 4) | 2026-01-11 | 2026 MN MONC New Years Invite |
| 50 Breaststroke | LCM | 1:43.06 | flying | 200 Medley Relay (leg 2) | 2026-06-20 | 2026 SD Aberdeen Summer High Point Swim Meet |
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
IMR 11-12 · SCY
197 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 59.97 | 103 |
| 50 BR SCY | 1:09.04 | 94 |
| 200 FR SCY | — | 0 |
| 50 FL SCY | — | 0 |
| 100 IM 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 LCM 2:26.70
Front half 67.55s · back half 79.15s
200 Freestyle LCM 5:32.72
Front half 156.97s · back half 175.75s
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.