swimLiam Callahan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.64 | +5.55s to B·+13.45s to Sectionals | 2024-12-08 | 2024 PN Fall Divisionals, Division 1venue |
| 100 Freestyle | SCY | 1:15.98 | +8.39s to B·+24.99s to Sectionals | 2025-09-13 | 2025 PN BISC Blue & Gold Intrasquadvenue |
| 50 Backstroke | SCY | 41.17 | +5.78s to B·+17.48s to Futures | 2024-12-08 | 2024 PN Fall Divisionals, Division 1venue |
| 100 Backstroke | SCY | 1:27.88 | +13.49s to B·+32.39s to Sectionals | 2024-10-12 | 2024 PN CSC Fall Classic Invitationalvenue |
| 50 Breaststroke | SCY | 48.84 | +8.35s to B·+22.55s to Futures | 2024-12-07 | 2024 PN Fall Divisionals, Division 1venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
IMX / IMR
IMR 13-14 · SCY
225 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:27.88 | 225 |
| 200 FR SCY | — | 0 |
| 100 BR 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 1:15.98
Front half 35.32s · back half 40.66s
100 Backstroke SCY 1:27.88
Front half 41.47s · back half 46.41s
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.