swimMargaret Lietzau
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.22 | AAA+0.43s to AAAA·Sectionals ✓+0.33s to Futures | 2025-11-21 | 2024 Speedo Grand Chalenge |
| 100 Freestyle | SCY | 52.01 | AAA+0.32s to AAAA·Sectionals ✓+0.12s to Futures | 2026-03-08 | 2026 SC Illinois Senior Championships - copivenue |
| 200 Freestyle | SCY | 1:53.84 | AAA+2.15s to AAAA·Sectionals ✓+1.55s to Futures | 2024-11-24 | 2024 Speedo Grand Chalengevenue |
| 500 Freestyle | SCY | 5:06.47 | AAA+5.18s to AAAA·Sectionals ✓+3.88s to Futures | 2025-03-08 | 2025 SC Illinois Senior Championshipsvenue |
| 1000 Freestyle | SCY | 10:20.76 | AAAA·Sectionals ✓+0.27s to Futures | 2025-11-21 | 2024 Speedo Grand Chalenge |
| 1650 Freestyle | SCY | 17:25.25 | AAAA·Sectionals ✓+10.86s to Futures | 2026-03-08 | 2026 SC Illinois Senior Championships - copivenue |
| 100 Backstroke | SCY | 1:01.94 | A+0.75s to AA·+1.45s to Sectionals | 2024-11-24 | 2024 Speedo Grand Chalengevenue |
| 200 Backstroke | SCY | 2:16.32 | A+3.53s to AA·+4.83s to Sectionals | 2024-11-23 | 2024 Speedo Grand Chalengevenue |
| 100 Butterfly | SCY | 56.78 | AAA+1.19s to AAAA·Sectionals ✓+0.19s to Futures | 2025-11-21 | 2024 Speedo Grand Chalenge |
| 200 Butterfly | SCY | 2:04.31 | AAA+0.52s to AAAA·Futures ✓+2.62s to Winter JNs | 2025-11-21 | 2024 Speedo Grand Chalenge |
| 200 Individual Medley | SCY | 2:13.31 | AA+2.72s to AAA·+0.32s to Sectionals | 2026-03-07 | 2026 SC Illinois Senior Championships - copivenue |
| 400 Individual Medley | SCY | 4:53.37 | A+2.48s to AA·+9.38s to Sectionals | 2025-01-01 | CATS Aquatic Team |
| 2500 Freestyle | SCM | 32:27.19 | 2023-06-16 | 2025 Central Zone 14 & Under Championship Meevenue | |
| 50 Freestyle | LCM | 27.40 | AAA+0.31s to AAAA·Sectionals ✓+0.01s to Futures | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 100 Freestyle | LCM | 58.29 | AAAA·Futures ✓+0.10s to Winter JNs | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 200 Freestyle | LCM | 2:08.35 | AAA+1.26s to AAAA·Sectionals ✓+0.56s to Futures | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 400 Freestyle | LCM | 4:30.29 | AAA+2.00s to AAAA·Sectionals ✓+1.50s to Futures | 2026-07-09 | 2024 Speedo Grand Chalenge |
| 800 Freestyle | LCM | 9:27.53 | AAA+11.54s to AAAA·Sectionals ✓+13.74s to Futures | 2025-07-31 | 2025 LC Illinois Senior Championshipsvenue |
| 1500 Freestyle | LCM | 17:49.59 | AAA+9.20s to AAAA·Sectionals ✓+9.40s to Futures | 2026-07-09 | 2024 Speedo Grand Chalenge |
| 100 Backstroke | LCM | 1:13.80 | A+2.31s to AA·+3.31s to Sectionals | 2024-05-11 | Blue Devil Swim Club May Maniavenue |
| 200 Backstroke | LCM | 2:36.47 | A+1.48s to AA·+5.08s to Sectionals | 2024-05-12 | Blue Devil Swim Club May Maniavenue |
| 100 Breaststroke | LCM | 1:34.20 | B+2.91s to BB·+14.21s to Sectionals | 2024-05-12 | Blue Devil Swim Club May Maniavenue |
| 50 Butterfly | LCM | 30.79 | AA+0.20s to AAA·+0.50s to Sectionals | 2026-07-09 | 2024 Speedo Grand Chalenge |
| 100 Butterfly | LCM | 1:05.32 | AAA+2.03s to AAAA·Sectionals ✓+0.63s to Futures | 2025-08-01 | 2025 LC Illinois Senior Championshipsvenue |
| 200 Butterfly | LCM | 2:20.22 | AAA+0.33s to AAAA·Futures ✓+1.83s to Jr Nationals | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 200 Individual Medley | LCM | 2:32.99 | AA+3.10s to AAA·+1.70s to Sectionals | 2026-06-18 | HISI Senior Summer Championship (LCM)venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 23.88 | flying | 200 Medley Relay (leg 4) | 2026-03-08 | 2026 SC Illinois Senior Championships - copi |
| 50 Freestyle | SCY | 23.64 | flying | 200 Free Relay (leg 4) | 2024-11-22 | 2024 Speedo Grand Chalenge |
| 100 Freestyle | SCY | 51.91 | flying | 400 Medley Relay (leg 4) | 2025-03-08 | 2025 SC Illinois Senior Championships |
| 100 Freestyle | SCY | 52.41 | flying | 400 Free Relay (leg 2) | 2026-03-08 | 2026 SC Illinois Senior Championships - copi |
| 200 Freestyle | SCY | 1:57.09 | flying | 800 Free Relay (leg 3) | 2025-03-07 | 2025 SC Illinois Senior Championships |
| 50 Freestyle | LCM | 26.67 | flying | 200 Free Relay (leg 4) | 2026-06-18 | HISI Senior Summer Championship (LCM) |
| 100 Freestyle | LCM | 58.95 | flying | 400 Free Relay (leg 3) | 2024-07-12 | 2024 CZ North Section Summer Sectionals |
| 100 Freestyle | LCM | 58.95 | flying | 400 Medley Relay (leg 4) | 2024-07-14 | 2024 CZ North Section Summer Sectionals |
| 200 Freestyle | LCM | 2:09.36 | flying | 800 Free Relay (leg 4) | 2024-07-13 | 2024 CZ North Section Summer Sectionals |
| 50 Butterfly | LCM | 30.62 | flying | 200 Medley Relay (leg 3) | 2026-07-09 | 2026 CENTRAL ZONE NORTH SUMMER CHAMPIONSHIPS |
| 100 Butterfly | LCM | 1:10.95 | flying | 400 Medley Relay (leg 3) | 2026-06-19 | HISI Senior Summer Championship (LCM) |
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
4025 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:06.47 | 913 |
| 200 BK SCY | 2:16.32 | 666 |
| 200 FL SCY | 2:04.31 | 947 |
| 200 IM SCY | 2:13.31 | 779 |
| 400 IM SCY | 4:53.37 | 720 |
| 200 BR SCY | — | 0 |
IMR 17-18 · LCM
3758 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:08.35 | 941 |
| 100 BK LCM | 1:13.80 | 667 |
| 100 BR LCM | 1:34.20 | 467 |
| 100 FL LCM | 1:05.32 | 884 |
| 200 IM LCM | 2:32.99 | 799 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 52.01
Front half 25.44s · back half 26.57s
200 Freestyle SCY 1:53.84
Front half 55.39s · back half 58.45s
500 Freestyle SCY 5:06.47
Front half 152.89s · back half 153.58s
1650 Freestyle SCY 17:25.25
100 Backstroke SCY 1:01.94 RT 0.66s
Front half 29.89s · back half 32.05s
200 Backstroke SCY 2:16.32 RT 0.67s
Front half 65.98s · back half 70.34s
200 Individual Medley SCY 2:13.31
Front half 62.26s · back half 71.05s
400 Individual Medley SCY 4:53.37 split/total mismatch
Front half 29.35s · back half 264.02s
400 Freestyle LCM 4:30.29 split/total mismatch
800 Freestyle LCM 9:27.53 RT 0.67s
Front half 280.20s · back half 287.33s
1500 Freestyle LCM 17:49.59 RT 0.73ssplit/total mismatch
200 Backstroke LCM 2:36.47
Front half 77.13s · back half 79.34s
100 Butterfly LCM 1:05.32 RT 0.66s
Front half 30.72s · back half 34.60s
200 Individual Medley LCM 2:32.99
Front half 71.66s · back half 81.33s
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.