swimCharlotte Birkhauser
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.60 | B+1.71s to BB·+7.71s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championships venue |
| 100 Freestyle | SCY | 1:14.33 | +1.84s to B·+20.24s to Sectionals | 2026-01-10 | 2026 New Year's Kickoff - copied venue |
| 200 Freestyle | SCY | 2:32.74 | B+6.25s to BB·+36.05s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championships venue |
| 500 Freestyle | SCY | 6:45.84 | B+15.25s to BB·+95.95s to Sectionals | 2025-10-24 | 2025 Athens Fall Classic - copied venue |
| 50 Backstroke | SCY | 38.69 | +1.50s to B·+10.10s to Sectionals | 2026-01-11 | 2026 New Year's Kickoff - copied venue |
| 100 Backstroke | SCY | 1:20.49 | +1.20s to B·+19.70s to Sectionals | 2026-03-28 | 2026 Northeast Divisional Championships venue |
| 50 Breaststroke | SCY | 44.65 | +1.46s to B·+11.06s to Sectionals | 2026-01-11 | 2026 New Year's Kickoff - copied venue |
| 100 Breaststroke | SCY | 1:28.56 | B+4.07s to BB·+17.67s to Sectionals | 2026-03-28 | 2026 Northeast Divisional Championships venue |
| 50 Butterfly | SCY | 38.94 | +2.25s to B·+11.55s to Sectionals | 2026-01-10 | 2026 New Year's Kickoff - copied venue |
| 100 Butterfly | SCY | 1:25.68 | +6.79s to B·+26.59s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championships venue |
| 100 Individual Medley | SCY | 1:33.21 | 2025-10-25 | 2025 Athens Fall Classic - copied venue | |
| 200 Individual Medley | SCY | 2:59.57 | +2.88s to B·+46.98s to Sectionals | 2026-03-27 | 2026 Northeast Divisional Championships venue |
| 50 Freestyle | LCM | 37.80 | B+2.41s to BB·+9.41s to Sectionals | 2026-05-31 | 2026 ABSC IMX Knockout Series venue |
| 100 Freestyle | LCM | 1:22.07 | B+5.18s to BB·+20.78s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Series venue |
| 200 Freestyle | LCM | 3:01.81 | +1.42s to B·+49.72s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Series venue |
| 100 Backstroke | LCM | 1:33.63 | +1.04s to B·+23.84s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Series venue |
| 50 Breaststroke | LCM | 49.15 | +0.06s to B·+10.86s to Sectionals | 2026-05-29 | 2026 ABSC IMX Knockout Series venue |
| 100 Breaststroke | LCM | 1:50.78 | +6.09s to B·+30.19s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Series venue |
| 200 Breaststroke | LCM | 4:00.24 | +14.45s to B·+64.25s to Sectionals | 2026-05-31 | 2026 ABSC IMX Knockout Series venue |
| 50 Butterfly | LCM | 43.76 | +2.57s to B·+12.47s to Sectionals | 2026-05-31 | 2026 ABSC IMX Knockout Series venue |
| 200 Individual Medley | LCM | 3:26.53 | +4.14s to B·+55.14s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Series venue |
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
IMX 13-14 · SCY
810 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:45.84 | 442 |
| 200 IM SCY | 2:59.57 | 368 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1892 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:32.74 | 430 |
| 100 BK SCY | 1:20.49 | 368 |
| 100 BR SCY | 1:28.56 | 423 |
| 100 FL SCY | 1:25.68 | 303 |
| 200 IM SCY | 2:59.57 | 368 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:14.33 RT 0.83s
Front half 35.10s · back half 39.23s
200 Freestyle SCY 2:32.74
Front half 73.79s · back half 78.95s
500 Freestyle SCY 6:45.84
100 Backstroke SCY 1:20.49 RT 0.68s
Front half 39.16s · back half 41.33s
100 Breaststroke SCY 1:28.56
Front half 41.58s · back half 46.98s
100 Butterfly SCY 1:25.68
Front half 39.28s · back half 46.40s
100 Individual Medley SCY 1:33.21
Front half 45.07s · back half 48.14s
200 Individual Medley SCY 2:59.57
Front half 86.21s · back half 93.36s
200 Freestyle LCM 3:01.81
Front half 90.55s · back half 91.26s
200 Breaststroke LCM 4:00.24
Front half 116.03s · back half 124.21s
200 Individual Medley LCM 3:26.53
Front half 101.87s · back half 104.66s
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.
Progression
Faster times are higher. One card per event, all courses & history.