swimWilliam Modglin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | LCM | 49.07 | Nationals ✓ | 2024-07-11 | 2024 ST TXLA SZ LC Sectional Champsvenue |
| 50 Backstroke | LCM | 24.76 | Nationals ✓ | 2025-06-05 | 2025 National Championshipsvenue |
| 100 Backstroke | LCM | 53.83 | Nationals ✓ | 2025-06-06 | 2025 National Championshipsvenue |
| 200 Backstroke | LCM | 1:58.27 | Nationals ✓ | 2025-06-04 | 2025 National Championshipsvenue |
| 50 Breaststroke | LCM | 29.59 | Futures ✓+0.40s to US Open | 2021-08-10 | 2021 NCSA Summer Swimming Championships |
| 100 Breaststroke | LCM | 1:03.98 | Futures ✓+0.29s to US Open | 2026-04-25 | 2026 ST TXLA 11&O Long Course Kick Offvenue |
| 100 Butterfly | LCM | 52.53 | Nationals ✓ | 2024-07-13 | 2024 ST TXLA SZ LC Sectional Champsvenue |
| 200 Individual Medley | LCM | 1:59.71 | Nationals ✓ | 2025-06-07 | 2025 National Championshipsvenue |
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.
PR splits
100 Freestyle LCM 49.07
Front half 23.37s · back half 25.70s
100 Backstroke LCM 53.83 RT 0.55s
Front half 26.41s · back half 27.42s
200 Backstroke LCM 1:58.27 RT 0.58s
Front half 57.01s · back half 61.26s
100 Butterfly LCM 52.53
Front half 24.66s · back half 27.87s
200 Individual Medley LCM 1:59.71 RT 0.65s
Front half 56.78s · back half 62.93s
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.