Keira Birch
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 41.12 | +5.73s to B | 2019-02-01 | 2019 UT Bridgerland Open slow pool |
| 100 Freestyle | SCY | 1:36.97 | +19.28s to B | 2019-02-02 | 2019 UT Bridgerland Open slow pool |
| 50 Backstroke | SCY | 51.67 | +11.08s to B | 2019-02-02 | 2019 UT Bridgerland Open slow pool |
| 50 Breaststroke | SCY | 46.26 | +0.77s to B | 2019-02-01 | 2019 UT Bridgerland Open slow pool |
| 100 Breaststroke | SCY | 1:46.73 | +6.44s to B | 2019-02-02 | 2019 UT Bridgerland Open slow pool |
| 50 Freestyle | LCM | 47.83 | +7.44s to B | 2019-05-31 | 2019 UT CVM May Mixer slow pool |
| 100 Freestyle | LCM | 1:55.48 | +26.29s to B | 2019-06-01 | 2019 UT CVM May Mixer slow pool |
| 50 Backstroke | LCM | 57.52 | +10.73s to B | 2019-05-31 | 2019 UT CVM May Mixer slow pool |
| 50 Breaststroke | LCM | 53.16 | +0.87s to B | 2019-06-01 | 2019 UT CVM May Mixer slow pool |
| 100 Breaststroke | LCM | 1:52.89 | B+5.60s to BB | 2019-05-31 | 2019 UT CVM May Mixer slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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
IMX 11-12 · LCM
380 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 1:52.89 | 380 |
| 400 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · LCM
546 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 57.52 | 199 |
| 50 BR LCM | 53.16 | 347 |
| 200 FR LCM | — | 0 |
| 50 FL LCM | — | 0 |
| 200 IM LCM | — | 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 1:36.97
Front half 43.42s · back half 53.55s
100 Breaststroke SCY 1:46.73
Front half 50.35s · back half 56.38s
100 Freestyle LCM 1:55.48
Front half 51.25s · back half 64.23s
Progression
Faster times are higher. One card per event, all courses & history.