swimJonah Elfers
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Butterfly | SCY | 22.74 | Sectionals ✓+0.75s to Futures | 2025-07-19 | MSS 2025 Last Splashfast pool |
| 100 Butterfly | SCY | 51.44 | Sectionals ✓+3.25s to Futures | 2025-07-19 | MSS 2025 Last Splashfast pool |
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.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
PR splits
100 Butterfly SCY 51.44
Front half 24.06s · back half 27.38s
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.