swimAntonie Pieterse
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | LCM | 23.51 | Futures ✓+0.22s to US Open | 2026-03-28 | 2026 Speedo Sectional Championshipvenue |
| 100 Freestyle | LCM | 51.50 | Futures ✓+0.61s to US Open | 2025-01-01 | 2025 Toyota US Open Championships |
| 50 Backstroke | LCM | 28.20 | +1.51s to Futures | 2026-03-27 | 2026 Speedo Sectional Championshipvenue |
| 100 Backstroke | LCM | 1:00.18 | Sectionals ✓+1.99s to Futures | 2026-03-28 | 2026 Speedo Sectional Championshipvenue |
| 50 Butterfly | LCM | 24.18 | Nationals ✓ | 2018-05-16 | 2025 Toyota US Open Championships |
| 100 Butterfly | LCM | 53.89 | US Open ✓+0.40s to Nationals | 2018-05-16 | 2025 Toyota US Open Championships |
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 Backstroke LCM 1:00.18
Front half 28.56s · back half 31.62s
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.