swimMarshall Koch
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 51.89 | +16.80s to B·+29.30s to Sectionals | 2026-01-24 | 2026 MN AQJT Winter Invitevenue |
| 100 Freestyle | SCY | 1:48.77 | +32.68s to B·+59.78s to Sectionals | 2026-02-22 | 2026 MN FOXJ MN Bronze Championshipvenue |
| 200 Freestyle | SCY | 4:18.95 | +92.36s to B·+151.46s to Sectionals | 2026-02-08 | 2026 MN AQJT February Invitevenue |
| 50 Backstroke | SCY | 55.70 | +14.51s to B·+31.21s to Sectionals | 2025-02-09 | 2025 MN AQJT February Invitevenue |
| 100 Backstroke | SCY | 2:11.91 | +42.12s to B·+75.82s to Sectionals | 2026-01-24 | 2026 MN AQJT Winter Invitevenue |
| 50 Breaststroke | SCY | 1:21.85 | +34.96s to B·+54.66s to Sectionals | 2026-01-24 | 2026 MN AQJT Winter Invitevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 | 1:34.12 | flat | 200 Free Relay | 2025-01-25 | 2025 MN AQJT Winter Invite |
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
91 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 2:11.91 | 91 |
| 500 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
277 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 4:18.95 | 92 |
| 50 BK SCY | 55.70 | 129 |
| 50 BR SCY | 1:21.85 | 56 |
| 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 SCY 1:48.77
Front half 54.27s · back half 54.50s
200 Freestyle SCY 4:18.95
Front half 128.93s · back half 130.02s
100 Backstroke SCY 2:11.91
Front half 68.83s · back half 63.08s
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.