swimAlannah O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Backstroke | SCY | 42.49 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 100 Backstroke | SCY | 1:32.53 | 2026-03-22 | 2026 RMSC Spring Finale fast pool | |
| 50 Breaststroke | SCY | 46.82 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 100 Breaststroke | SCY | 1:43.96 | 2025-12-06 | 2025 Christmas Championships venue | |
| 50 Butterfly | SCY | 40.70 | 2026-03-22 | 2026 RMSC Spring Finale fast pool | |
| 100 Butterfly | SCY | 1:39.42 | 2026-02-14 | 39th Black History Swim Meet venue | |
| 100 Individual Medley | SCY | 1:27.64 | 2026-03-22 | 2026 RMSC Spring Finale fast pool | |
| 100 Backstroke | LCM | 1:41.35 | 2026-05-17 | RMSC - Welcome to Summer Meet venue | |
| 50 Butterfly | LCM | 45.31 | 2026-05-17 | RMSC - Welcome to Summer Meet 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 Backstroke SCY 1:32.53
Front half 44.35s · back half 48.18s
100 Breaststroke SCY 1:43.96
Front half 48.61s · back half 55.35s
100 Butterfly SCY 1:39.42
Front half 44.21s · back half 55.21s
100 Individual Medley SCY 1:27.64
Front half 42.61s · back half 45.03s
Progression
Faster times are higher. One card per event, all courses & history.