Mike Shaffer
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 1500 Freestyle | LCM | 19:00.29 | +49.20s to Sectionals | 2025-08-06 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 50 Backstroke | LCM | 33.15 | +6.46s to Futures | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 100 Backstroke | LCM | 1:12.49 | +7.30s to Sectionals | 2025-08-08 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 200 Butterfly | LCM | 2:35.40 | +14.31s to Sectionals | 2025-08-08 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 400 Individual Medley | LCM | 5:37.72 | +29.93s to Sectionals | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVEDvenue |
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
1500 Freestyle LCM 19:00.29 RT 0.80s
Front half 571.65s · back half 568.64s
100 Backstroke LCM 1:12.49 RT 0.72s
Front half 35.21s · back half 37.28s
200 Butterfly LCM 2:35.40 RT 0.80s
Front half 73.25s · back half 82.15s
400 Individual Medley LCM 5:37.72 RT 0.83s
Front half 160.82s · back half 176.90s
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.