Madeleine Koser
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.85 | 2025-10-19 | 2025 RMSC October Kick-Off Classic venue | |
| 100 Freestyle | SCY | 59.32 | 2025-12-06 | 2025 PV Turkey Claus Showdown venue | |
| 200 Freestyle | SCY | 2:08.81 | 2025-12-05 | 2025 PV Turkey Claus Showdown venue | |
| 500 Freestyle | SCY | 5:54.87 | 2026-01-16 | 2026 RMSC January Intrasquad Meet venue | |
| 1000 Freestyle | SCY | 12:01.65 | 2025-12-04 | 2025 PV Turkey Claus Showdown venue | |
| 1650 Freestyle | SCY | 19:57.79 | 2026-02-08 | PV February Distance 2026 - copied venue | |
| 50 Backstroke | SCY | 34.87 | 2025-11-08 | 2025 HOKI November Invitational - copied venue | |
| 100 Backstroke | SCY | 1:16.35 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 50 Breaststroke | SCY | 34.70 | 2026-01-17 | 2026 RMSC January Intrasquad Meet venue | |
| 100 Breaststroke | SCY | 1:15.63 | 2025-12-06 | 2025 PV Turkey Claus Showdown venue | |
| 200 Breaststroke | SCY | 2:42.96 | 2026-02-15 | 39th Black History Swim Meet venue | |
| 50 Butterfly | SCY | 31.40 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 100 Individual Medley | SCY | 1:12.63 | 2025-11-01 | 2025 RMSC Autumn 350 Challenge Meet venue | |
| 200 Individual Medley | SCY | 2:34.05 | 2025-10-18 | 2025 RMSC October Kick-Off Classic venue | |
| 50 Freestyle | LCM | 32.68 | 2026-05-29 | Maryland State LC Championship venue | |
| 100 Freestyle | LCM | 1:08.99 | 2026-05-30 | Maryland State LC Championship venue | |
| 400 Freestyle | LCM | 5:24.71 | 2026-05-01 | 2026 RMSC Spring Long Course Classic venue | |
| 50 Breaststroke | LCM | 42.89 | 2026-05-29 | Maryland State LC Championship venue | |
| 100 Breaststroke | LCM | 1:34.06 | 2026-05-31 | Maryland State LC Championship venue | |
| 200 Breaststroke | LCM | 3:18.24 | 2026-05-30 | Maryland State LC Championship venue |
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
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
Progression
Faster times are higher. One card per event, all courses & history.