Alina Birchall
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.57 | B+1.68s to BB | 2025-04-06 | April 2025 slow pool |
| 100 Freestyle | SCY | 1:13.87 | +1.38s to B | 2025-04-06 | April 2025 slow pool |
| 50 Backstroke | SCY | 46.69 | +9.50s to B | 2025-02-01 | Hydro Winter Open venue |
| 100 Backstroke | SCY | 1:30.84 | +11.55s to B | 2025-04-06 | April 2025 slow pool |
| 50 Breaststroke | SCY | 42.31 | B+2.22s to BB | 2025-03-01 | 2025 Area 1 Spring Championships venue |
| 100 Breaststroke | SCY | 1:31.78 | +0.79s to B | 2025-04-06 | April 2025 slow pool |
| 100 Individual Medley | SCY | 1:26.68 | 2025-02-15 | 2025 PA Sweetheart Special venue | |
| 50 Freestyle | LCM | 35.89 | B+0.50s to BB | 2025-05-17 | 2025 PSA May Invite venue |
| 200 Freestyle | LCM | 3:12.70 | +12.31s to B | 2025-05-17 | 2025 PSA May Invite venue |
| 100 Backstroke | LCM | 1:48.59 | +16.00s to B | 2025-05-03 | SwimRise IMX/IMR Challenge venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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.
IMX / IMR
IMR 13-14 · SCY
636 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:30.84 | 256 |
| 100 BR SCY | 1:31.78 | 380 |
| 200 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 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 1:13.87
Front half 35.60s · back half 38.27s
100 Backstroke SCY 1:30.84
Front half 44.55s · back half 46.29s
100 Breaststroke SCY 1:31.78
Front half 43.88s · back half 47.90s
100 Individual Medley SCY 1:26.68
Front half 41.61s · back half 45.07s
200 Freestyle LCM 3:12.70
Front half 92.72s · back half 99.98s
Progression
Faster times are higher. One card per event, all courses & history.