swimKaren Bierwert
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Backstroke | LCM | 1:35.59 | 2025-08-08 | 2025 USMS Summer Nationals- OBSERVED venue | |
| 200 Backstroke | LCM | 3:26.61 | 2025-08-10 | 2025 USMS Summer Nationals- OBSERVED venue | |
| 50 Breaststroke | LCM | 49.09 | 2025-08-08 | 2025 USMS Summer Nationals- OBSERVED venue | |
| 100 Breaststroke | LCM | 1:48.20 | 2025-08-10 | 2025 USMS Summer Nationals- OBSERVED venue | |
| 200 Breaststroke | LCM | 3:53.09 | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVED venue | |
| 200 Individual Medley | LCM | 3:38.45 | 2025-08-09 | 2025 USMS Summer Nationals- OBSERVED venue |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | LCM | 36.89 | flying | 200 Free Relay (leg 3) | 2025-08-10 | 2025 USMS Summer Nationals- OBSERVED |
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 Backstroke LCM 1:35.59 RT 0.71s
Front half 46.66s · back half 48.93s
200 Backstroke LCM 3:26.61
100 Breaststroke LCM 1:48.20 RT 0.86s
Front half 51.02s · back half 57.18s
200 Breaststroke LCM 3:53.09 RT 0.81s
Front half 109.85s · back half 123.24s
200 Individual Medley LCM 3:38.45 RT 0.90s
Front half 105.99s · back half 112.46s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.