swimDavid Mastin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:32.81 | +4.32s to B·+43.82s to Sectionals | 2025-12-20 | Life Time Michigan Candy Cane Classicvenue |
| 50 Breaststroke | SCY | 49.57 | B+1.78s to BB·+22.38s to Sectionals | 2025-12-20 | Life Time Michigan Candy Cane Classicvenue |
| 50 Butterfly | SCY | 45.76 | B+4.47s to BB·+22.07s to Sectionals | 2025-12-20 | Life Time Michigan Candy Cane Classicvenue |
| 100 Butterfly | SCY | 1:38.53 | BB+13.94s to A·+44.54s to Sectionals | 2026-03-14 | 2026 SCY 10 & Under Championship Meetvenue |
| 100 Individual Medley | SCY | 1:42.08 | +2.29s to B | 2025-12-20 | Life Time Michigan Candy Cane Classicvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.11 | flying | 200 Free Relay (leg 3) | 2026-03-15 | 2026 SCY 10 & Under Championship Meet |
| 50 Butterfly | SCY | 38.48 | flying | 200 Medley Relay (leg 3) | 2026-03-14 | 2026 SCY 10 & Under Championship Meet |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 10 & under · SCY
355 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FL SCY | 1:38.53 | 355 |
| 200 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1297 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:32.81 | 279 |
| 50 BR SCY | 49.57 | 395 |
| 50 FL SCY | 45.76 | 304 |
| 100 IM SCY | 1:42.08 | 319 |
| 50 BK SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:32.81
Front half 44.38s · back half 48.43s
100 Butterfly SCY 1:38.53
Front half 44.30s · back half 54.23s
100 Individual Medley SCY 1:42.08
Front half 47.71s · back half 54.37s
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.