Crenshaw Halbach
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.23 | A+0.54s to AA | 2025-10-26 | 2025 Athens Fall Classic - copied venue |
| 100 Freestyle | SCY | 48.37 | AA+0.68s to AAA | 2026-03-28 | 2026 Northeast Divisional Championships venue |
| 200 Freestyle | SCY | 1:43.46 | AAA+2.87s to AAAA | 2026-03-29 | 2026 Northeast Divisional Championships venue |
| 500 Freestyle | SCY | 4:32.28 | AAAA | 2026-03-27 | 2026 Northeast Divisional Championships venue |
| 1000 Freestyle | SCY | 9:23.96 | AAAA | 2025-12-12 | 2025 Classic City Invitational Meet venue |
| 1650 Freestyle | SCY | 15:41.34 | AAAA | 2026-03-29 | 2026 Northeast Divisional Championships venue |
| 100 Backstroke | SCY | 58.71 | BB+2.52s to A | 2024-12-14 | 2024 Classic City Quad Meet venue |
| 200 Backstroke | SCY | 1:59.71 | A+1.12s to AA | 2026-03-28 | 2026 Northeast Divisional Championships venue |
| 200 Breaststroke | SCY | 2:22.18 | BB+2.59s to A | 2025-12-14 | 2025 Classic City Invitational Meet venue |
| 100 Butterfly | SCY | 55.03 | A+1.14s to AA | 2025-03-29 | 2025 Northeast Divisional Championships venue |
| 200 Butterfly | SCY | 1:56.87 | AA+0.98s to AAA | 2025-12-06 | 2025 GA SC Senior State Championships - copie venue |
| 200 Individual Medley | SCY | 1:57.87 | AA+1.68s to AAA | 2026-03-28 | 2026 Northeast Divisional Championships venue |
| 400 Individual Medley | SCY | 4:10.33 | AAA+10.94s to AAAA | 2025-12-05 | 2025 GA SC Senior State Championships - copie venue |
| 50 Freestyle | LCM | 27.17 | A+0.88s to AA | 2026-06-27 | 2026 Bulldog Grand Slam - copied venue |
| 100 Freestyle | LCM | 56.57 | AA+1.38s to AAA | 2026-06-28 | 2026 Bulldog Grand Slam - copied venue |
| 200 Freestyle | LCM | 2:00.10 | AAA+4.91s to AAAA | 2026-06-26 | 2026 Bulldog Grand Slam - copied venue |
| 400 Freestyle | LCM | 4:11.81 | AAA+6.22s to AAAA | 2026-06-27 | 2026 Bulldog Grand Slam - copied venue |
| 800 Freestyle | LCM | 8:44.31 | AAA+10.02s to AAAA | 2025-05-18 | 2025 Bulldog Grand Slam venue |
| 1500 Freestyle | LCM | 16:55.59 | AAA+31.50s to AAAA | 2024-07-28 | Georgia LC Senior State Championships 2024 venue |
| 200 Backstroke | LCM | 2:16.78 | AA+2.99s to AAA | 2026-06-28 | 2026 Bulldog Grand Slam - copied venue |
| 100 Butterfly | LCM | 1:02.05 | A+0.46s to AA | 2026-06-26 | 2026 Bulldog Grand Slam - copied venue |
| 200 Butterfly | LCM | 2:12.47 | AA+0.58s to AAA | 2026-06-27 | 2026 Bulldog Grand Slam - copied venue |
| 200 Individual Medley | LCM | 2:21.39 | AA+5.70s to AAA | 2025-05-18 | 2025 Bulldog Grand Slam venue |
| 400 Individual Medley | LCM | 4:54.13 | AA+2.64s to AAA | 2026-06-26 | 2026 Bulldog Grand Slam - copied venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.88 | flying | 200 Free Relay (leg 4) | 2025-12-05 | 2025 GA SC Senior State Championships - copie |
| 100 Freestyle | SCY | 48.48 | flat | 400 Free Relay | 2025-12-06 | 2025 GA SC Senior State Championships - copie |
| 200 Freestyle | SCY | 1:47.87 | flying | 800 Free Relay (leg 2) | 2025-12-05 | 2025 GA SC Senior State Championships - copie |
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 17-18 · SCY
4872 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:32.28 | 1001 |
| 200 BK SCY | 1:59.71 | 732 |
| 200 BR SCY | 2:22.18 | 626 |
| 200 FL SCY | 1:56.87 | 829 |
| 200 IM SCY | 1:57.87 | 825 |
| 400 IM SCY | 4:10.33 | 859 |
IMR 17-18 · SCY
3019 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:43.46 | 908 |
| 100 BK SCY | 58.71 | 577 |
| 100 FL SCY | 55.03 | 709 |
| 200 IM SCY | 1:57.87 | 825 |
| 100 BR 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 48.37
Front half 23.54s · back half 24.83s
200 Freestyle SCY 1:43.46
Front half 51.12s · back half 52.34s
500 Freestyle SCY 4:32.28
Front half 134.04s · back half 138.24s
1000 Freestyle SCY 9:23.96
Front half 278.36s · back half 285.60s
1650 Freestyle SCY 15:41.34
100 Backstroke SCY 58.71
Front half 28.81s · back half 29.90s
200 Backstroke SCY 1:59.71 RT 0.66s
Front half 59.13s · back half 60.58s
200 Breaststroke SCY 2:22.18
Front half 68.20s · back half 73.98s
100 Butterfly SCY 55.03
Front half 25.99s · back half 29.04s
200 Butterfly SCY 1:56.87
Front half 56.90s · back half 59.97s
200 Individual Medley SCY 1:57.87
Front half 55.70s · back half 62.17s
400 Individual Medley SCY 4:10.33
Front half 122.36s · back half 127.97s
100 Freestyle LCM 56.57
Front half 27.58s · back half 28.99s
200 Freestyle LCM 2:00.10
Front half 58.74s · back half 61.36s
400 Freestyle LCM 4:11.81
Front half 124.02s · back half 127.79s
800 Freestyle LCM 8:44.31
Front half 260.71s · back half 263.60s
1500 Freestyle LCM 16:55.59
Front half 505.59s · back half 510.00s
200 Backstroke LCM 2:16.78
Front half 67.29s · back half 69.49s
100 Butterfly LCM 1:02.05
Front half 29.60s · back half 32.45s
200 Butterfly LCM 2:12.47
Front half 63.89s · back half 68.58s
200 Individual Medley LCM 2:21.39
Front half 66.81s · back half 74.58s
400 Individual Medley LCM 4:54.13
Front half 140.38s · back half 153.75s
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.