Madeleine Koser
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.85 | +3.06s to Sectionals | 2025-10-19 | 2025 RMSC October Kick-Off Classicvenue |
| 100 Freestyle | SCY | 59.32 | +6.23s to Sectionals | 2025-12-06 | 2025 PV Turkey Claus Showdownvenue |
| 200 Freestyle | SCY | 2:08.81 | +13.82s to Sectionals | 2025-12-05 | 2025 PV Turkey Claus Showdownvenue |
| 500 Freestyle | SCY | 5:54.87 | +46.08s to Sectionals | 2026-01-16 | 2026 RMSC January Intrasquad Meetvenue |
| 1000 Freestyle | SCY | 12:01.65 | +82.66s to Sectionals | 2025-12-04 | 2025 PV Turkey Claus Showdownvenue |
| 1650 Freestyle | SCY | 19:57.79 | +128.40s to Sectionals | 2026-02-08 | PV February Distance 2026 - copiedvenue |
| 50 Backstroke | SCY | 34.87 | +9.68s to Futures | 2025-11-07 | 2025 HOKI November Invitational - copied |
| 100 Backstroke | SCY | 1:16.35 | +17.06s to Sectionals | 2026-03-21 | 2026 RMSC Spring Finalevenue |
| 50 Breaststroke | SCY | 34.70 | +5.91s to Futures | 2026-01-17 | 2026 RMSC January Intrasquad Meetvenue |
| 100 Breaststroke | SCY | 1:15.63 | +7.44s to Sectionals | 2025-12-06 | 2025 PV Turkey Claus Showdownvenue |
| 200 Breaststroke | SCY | 2:42.96 | +13.57s to Sectionals | 2026-02-15 | 39th Black History Swim Meetvenue |
| 50 Butterfly | SCY | 31.40 | +6.71s to Futures | 2026-03-21 | 2026 RMSC Spring Finalevenue |
| 100 Individual Medley | SCY | 1:12.63 | 2025-11-01 | 2025 RMSC Autumn 350 Challenge Meetvenue | |
| 200 Individual Medley | SCY | 2:34.05 | +23.36s to Sectionals | 2025-10-18 | 2025 RMSC October Kick-Off Classicvenue |
| 50 Freestyle | LCM | 32.68 | +4.39s to Sectionals | 2026-05-29 | Maryland State LC Championshipvenue |
| 100 Freestyle | LCM | 1:08.99 | +8.30s to Sectionals | 2026-05-30 | Maryland State LC Championshipvenue |
| 400 Freestyle | LCM | 5:24.71 | +47.02s to Sectionals | 2026-05-01 | 2026 RMSC Spring Long Course Classicvenue |
| 50 Breaststroke | LCM | 42.89 | +9.20s to Futures | 2026-05-29 | Maryland State LC Championshipvenue |
| 100 Breaststroke | LCM | 1:34.06 | +16.17s to Sectionals | 2026-05-31 | Maryland State LC Championshipvenue |
| 200 Breaststroke | LCM | 3:18.24 | +28.85s to Sectionals | 2026-05-30 | Maryland State LC Championshipvenue |
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:03.09 | flying | 400 Free Relay (leg 2) | 2026-02-14 | 39th Black History Swim Meet |
| 50 Breaststroke | SCY | 35.10 | flying | 200 Medley Relay (leg 2) | 2026-02-14 | 39th Black History 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.
PR splits
100 Freestyle SCY 59.32
Front half 29.60s · back half 29.72s
200 Freestyle SCY 2:08.81
Front half 63.64s · back half 65.17s
500 Freestyle SCY 5:54.87
Front half 176.67s · back half 178.20s
1000 Freestyle SCY 12:01.65
Front half 360.27s · back half 361.38s
1650 Freestyle SCY 19:57.79
100 Backstroke SCY 1:16.35
Front half 37.55s · back half 38.80s
100 Breaststroke SCY 1:15.63
Front half 36.14s · back half 39.49s
200 Breaststroke SCY 2:42.96
Front half 79.67s · back half 83.29s
100 Individual Medley SCY 1:12.63
Front half 34.35s · back half 38.28s
200 Individual Medley SCY 2:34.05
Front half 76.45s · back half 77.60s
100 Freestyle LCM 1:08.99
Front half 33.82s · back half 35.17s
400 Freestyle LCM 5:24.71
Front half 162.12s · back half 162.59s
100 Breaststroke LCM 1:34.06
Front half 45.30s · back half 48.76s
200 Breaststroke LCM 3:18.24
Front half 96.25s · back half 101.99s
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.