swimWilliam Erdtmann
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 500 Freestyle | SCY | 4:48.61 | AA+0.02s to AAA·+1.22s to Sectionals | 2025-01-01 | NE Swimmimg 15-18 Age Group Championships |
| 1000 Freestyle | SCY | 9:57.30 | AAA+20.31s to AAAA·Sectionals ✓+23.01s to Futures | 2025-01-01 | NE Swimmimg 15-18 Age Group Championships |
| 100 Breaststroke | SCY | 1:00.00 | AA+0.61s to AAA·Sectionals ✓+2.01s to Futures | 2025-01-01 | NE Swimmimg 15-18 Age Group Championships |
| 200 Breaststroke | SCY | 2:15.75 | A+0.86s to AA·+0.76s to Sectionals | 2025-01-01 | NE Swimmimg 15-18 Age Group Championships |
| 200 Butterfly | SCY | 1:53.52 | AAA+1.93s to AAAA·Futures ✓+4.43s to Winter JNs | 2025-01-01 | NE Swimmimg 15-18 Age Group Championships |
| 400 Individual Medley | SCY | 4:16.58 | AA+3.59s to AAA·+1.49s to Sectionals | 2025-01-01 | NE Swimmimg 15-18 Age Group Championships |
| 400 Freestyle | LCM | 4:34.28 | A+1.89s to AA·+16.69s to Sectionals | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue |
| 100 Breaststroke | LCM | 1:14.08 | A+1.69s to AA·+4.39s to Sectionals | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue |
| 100 Butterfly | LCM | 59.10 | AAA+2.11s to AAAA·Sectionals ✓+1.11s to Futures | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue |
| 200 Butterfly | LCM | 2:11.53 | AAA+4.34s to AAAA·Sectionals ✓+1.34s to Futures | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue |
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.
IMX / IMR
IMX 17-18 · SCY
3262 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:48.61 | 840 |
| 200 BR SCY | 2:15.75 | 720 |
| 200 FL SCY | 1:53.52 | 904 |
| 400 IM SCY | 4:16.58 | 798 |
| 200 BK SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 17-18 · LCM
1528 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 1:14.08 | 678 |
| 100 FL LCM | 59.10 | 850 |
| 200 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 4:48.61 split/total mismatch
1000 Freestyle SCY 9:57.30 split/total mismatch
100 Breaststroke SCY 1:00.00 split/total mismatch
Front half 28.11s · back half 31.89s
200 Breaststroke SCY 2:15.75 split/total mismatch
Front half 34.32s · back half 101.43s
200 Butterfly SCY 1:53.52 split/total mismatch
400 Individual Medley SCY 4:16.58 split/total mismatch
400 Freestyle LCM 4:34.28 split/total mismatch
100 Breaststroke LCM 1:14.08 split/total mismatch
Front half 34.99s · back half 39.09s
100 Butterfly LCM 59.10 split/total mismatch
Front half 27.64s · back half 31.46s
200 Butterfly LCM 2:11.53 split/total mismatch
Front half 33.64s · back half 97.89s
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.