Katherine Hallahan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 40.83 | +0.94s to B | 2024-02-18 | LSSC Regional Age Group Championship slow pool |
| 100 Freestyle | SCY | 1:33.46 | +2.57s to B | 2024-02-18 | LSSC Regional Age Group Championship slow pool |
| 50 Backstroke | SCY | 53.50 | +4.91s to B | 2024-02-04 | Last Chance Meet venue |
| 50 Breaststroke | SCY | 53.37 | B+4.68s to BB | 2024-02-18 | LSSC Regional Age Group Championship slow pool |
| 100 Breaststroke | SCY | 1:57.10 | B+10.21s to BB | 2024-02-04 | Last Chance Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Butterfly | SCY | 53.55 | flying | 200 Medley Relay (leg 3) | 2023-01-08 | New Year Stretch 2023 |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 10 & under · SCY
321 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:57.10 | 321 |
| 200 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
844 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:33.46 | 288 |
| 50 BK SCY | 53.50 | 226 |
| 50 BR SCY | 53.37 | 330 |
| 50 FL SCY | — | 0 |
| 100 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 1:33.46
Front half 46.50s · back half 46.96s
100 Breaststroke SCY 1:57.10
Front half 57.99s · back half 59.11s
Progression
Faster times are higher. One card per event, all courses & history.