Liam Rosenbach
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.67 | AA+0.98s to AAA·+0.38s to Sectionals | 2024-02-05 | John deBarbadillo Invite |
| 100 Freestyle | SCY | 49.05 | AA+1.36s to AAA·+0.76s to Sectionals | 2026-01-18 | Winterfest 2026venue |
| 200 Freestyle | SCY | 1:48.92 | AA+3.53s to AAA·+3.13s to Sectionals | 2026-01-17 | Winterfest 2026venue |
| 500 Freestyle | SCY | 5:01.78 | A+2.09s to AA·+15.69s to Sectionals | 2024-02-05 | John deBarbadillo Invite |
| 1650 Freestyle | SCY | 17:11.58 | AA+27.79s to AAA·+22.89s to Sectionals | 2024-10-07 | Bill Schmidt Invite |
| 50 Backstroke | SCY | 26.19 | A+0.80s to AA·+0.50s to Sectionals | 2024-10-07 | Bill Schmidt Invite |
| 100 Backstroke | SCY | 55.15 | A+1.26s to AA·+0.06s to Sectionals | 2026-01-17 | Winterfest 2026venue |
| 200 Backstroke | SCY | 1:57.04 | AA+3.55s to AAA·Sectionals ✓+4.25s to Futures | 2025-12-14 | 32nd Annual YOTA/Arena Capital Classicvenue |
| 100 Breaststroke | SCY | 1:03.90 | A+2.31s to AA·+1.21s to Sectionals | 2024-10-07 | Bill Schmidt Invite |
| 200 Breaststroke | SCY | 2:22.40 | BB+2.81s to A·+3.11s to Sectionals | 2024-10-07 | Bill Schmidt Invite |
| 100 Butterfly | SCY | 54.94 | A+1.05s to AA·+2.25s to Sectionals | 2025-11-07 | 2025 EMAC Fall Invitational 11 & Over A/BB/C |
| 200 Butterfly | SCY | 2:02.96 | A+1.77s to AA·+4.47s to Sectionals | 2025-12-13 | 32nd Annual YOTA/Arena Capital Classicvenue |
| 200 Individual Medley | SCY | 2:02.84 | A+1.35s to AA·+3.45s to Sectionals | 2025-11-07 | 2025 EMAC Fall Invitational 11 & Over A/BB/C |
| 400 Individual Medley | SCY | 4:22.38 | A+0.19s to AA·+10.39s to Sectionals | 2026-02-01 | YY John deBarbadillo Invite |
| 50 Freestyle | LCM | 26.60 | A+0.31s to AA·+1.01s to Sectionals | 2025-04-27 | 2025 NAAC Carol Chidester Invitevenue |
| 100 Freestyle | LCM | 58.60 | A+0.91s to AA·+3.31s to Sectionals | 2024-06-10 | Chargers Long Course Closed Invitational |
| 200 Freestyle | LCM | 2:09.47 | A+3.28s to AA·+8.58s to Sectionals | 2024-06-10 | Chargers Long Course Closed Invitational |
| 400 Freestyle | LCM | 4:39.05 | A+10.06s to AA·+19.96s to Sectionals | 2024-05-19 | 2024 NBAC Spring LC Invitational Meetvenue |
| 800 Freestyle | LCM | 9:37.48 | A+14.19s to AA·+41.89s to Sectionals | 2023-07-06 | 2023 NBAC Mid-Summer Classicvenue |
| 1500 Freestyle | LCM | 19:18.83 | BB+34.14s to A·+124.64s to Sectionals | 2024-05-17 | 2024 NBAC Spring LC Invitational Meetvenue |
| 50 Backstroke | LCM | 29.66 | AA+0.37s to AAA·Sectionals ✓+1.77s to Futures | 2024-08-01 | 2024 YMCA Long Course Championshipsvenue |
| 100 Backstroke | LCM | 1:02.83 | AA+1.44s to AAA·Sectionals ✓+2.24s to Futures | 2024-08-02 | 2024 YMCA Long Course Championshipsvenue |
| 200 Backstroke | LCM | 2:15.97 | AA+2.18s to AAA·Sectionals ✓+4.08s to Futures | 2024-07-31 | 2024 YMCA Long Course Championshipsvenue |
| 100 Breaststroke | LCM | 1:18.26 | BB+3.57s to A·+5.87s to Sectionals | 2026-07-10 | 2026 NBAC Mid Summer Classicvenue |
| 200 Breaststroke | LCM | 2:42.15 | A+5.66s to AA·+1.76s to Sectionals | 2026-07-12 | 2026 NBAC Mid Summer Classicvenue |
| 50 Butterfly | LCM | 28.44 | AA+1.05s to AAA·+0.65s to Sectionals | 2025-05-16 | 2025 NBAC Spring LC Invitational Meetvenue |
| 100 Butterfly | LCM | 1:02.74 | A+1.15s to AA·+2.25s to Sectionals | 2025-04-27 | 2025 NAAC Carol Chidester Invitevenue |
| 200 Butterfly | LCM | 2:24.76 | BB+0.87s to A·+7.37s to Sectionals | 2025-01-01 | 2025 nbac mid summer classic final results pdf |
| 200 Individual Medley | LCM | 2:19.22 | AA+3.53s to AAA·+1.53s to Sectionals | 2024-01-01 | 2024 nbac mid summer classic final results pdf |
| 400 Individual Medley | LCM | 5:14.19 | A+9.40s to AA·+20.30s to Sectionals | 2024-05-18 | 2024 NBAC Spring LC Invitational Meetvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.57 | flat | 200 Free Relay | 2026-01-16 | Winterfest 2026 |
| 100 Freestyle | SCY | 48.08 | flying | 400 Free Relay (leg 3) | 2026-01-18 | Winterfest 2026 |
| 200 Freestyle | SCY | 1:48.55 | flying | 800 Free Relay (leg 2) | 2025-12-11 | 32nd Annual YOTA/Arena Capital Classic |
| 50 Backstroke | SCY | 26.00 | flat | 200 Medley Relay | 2025-12-11 | 32nd Annual YOTA/Arena Capital Classic |
| 100 Backstroke | SCY | 55.24 | flat | 400 Medley Relay | 2025-12-14 | 32nd Annual YOTA/Arena Capital Classic |
| 50 Freestyle | LCM | 26.42 | flat | 200 Free Relay | 2024-07-05 | 2024 NBAC Mid Summer Classic |
| 50 Freestyle | LCM | 26.31 | flying | 200 Free Relay (leg 2) | 2025-05-17 | 2025 NBAC Spring LC Invitational Meet |
| 100 Freestyle | LCM | 58.41 | flying | 400 Medley Relay (leg 4) | 2023-07-08 | 2023 NBAC Mid-Summer Classic |
| 100 Freestyle | LCM | 1:00.11 | flying | 400 Free Relay (leg 4) | 2024-07-06 | 2024 NBAC Mid Summer Classic |
| 50 Backstroke | LCM | 29.86 | flat | 200 Medley Relay | 2025-05-18 | 2025 NBAC Spring LC Invitational Meet |
| 100 Backstroke | LCM | 1:03.70 | flat | 400 Medley Relay | 2026-07-11 | 2026 NBAC Mid Summer Classic |
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
4328 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:01.78 | 735 |
| 200 BK SCY | 1:57.04 | 783 |
| 200 BR SCY | 2:22.40 | 624 |
| 200 FL SCY | 2:02.96 | 711 |
| 200 IM SCY | 2:02.84 | 729 |
| 400 IM SCY | 4:22.38 | 746 |
IMR 17-18 · SCY
3588 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:48.92 | 778 |
| 100 BK SCY | 55.15 | 696 |
| 100 BR SCY | 1:03.90 | 672 |
| 100 FL SCY | 54.94 | 713 |
| 200 IM SCY | 2:02.84 | 729 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 49.05
Front half 23.44s · back half 25.61s
200 Freestyle SCY 1:48.92
Front half 52.43s · back half 56.49s
500 Freestyle SCY 5:01.78 split/total mismatch
1650 Freestyle SCY 17:11.58 split/total mismatch
100 Backstroke SCY 55.15
Front half 26.81s · back half 28.34s
200 Backstroke SCY 1:57.04
Front half 56.84s · back half 60.20s
100 Breaststroke SCY 1:03.90 split/total mismatch
Front half 30.21s · back half 33.69s
200 Breaststroke SCY 2:22.40 split/total mismatch
Front half 35.74s · back half 106.66s
100 Butterfly SCY 54.94 split/total mismatch
200 Butterfly SCY 2:02.96
Front half 57.74s · back half 65.22s
200 Individual Medley SCY 2:02.84 split/total mismatch
400 Individual Medley SCY 4:22.38
Front half 125.29s · back half 137.09s
100 Freestyle LCM 58.60 split/total mismatch
Front half 27.91s · back half 30.69s
200 Freestyle LCM 2:09.47 split/total mismatch
400 Freestyle LCM 4:39.05
Front half 139.37s · back half 139.68s
800 Freestyle LCM 9:37.48
Front half 285.27s · back half 292.21s
1500 Freestyle LCM 19:18.83
Front half 572.76s · back half 586.07s
100 Backstroke LCM 1:02.83 RT 0.58s
Front half 29.96s · back half 32.87s
200 Backstroke LCM 2:15.97
Front half 64.98s · back half 70.99s
100 Breaststroke LCM 1:18.26
Front half 37.12s · back half 41.14s
200 Breaststroke LCM 2:42.15
Front half 78.50s · back half 83.65s
100 Butterfly LCM 1:02.74
Front half 28.52s · back half 34.22s
200 Butterfly LCM 2:24.76
Front half 64.81s · back half 79.95s
200 Individual Medley LCM 2:19.22
Front half 63.31s · back half 75.91s
400 Individual Medley LCM 5:14.19
Front half 148.89s · back half 165.30s
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.