swimDavid Marlin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | LCM | 31.73 | +4.74s to Sectionals | 2025-08-09 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 100 Freestyle | LCM | 1:15.58 | +16.59s to Sectionals | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 50 Backstroke | LCM | 36.54 | +9.85s to Futures | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 100 Backstroke | LCM | 1:21.88 | +16.69s to Sectionals | 2025-08-08 | 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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | LCM | 32.75 | flying | 200 Medley Relay (leg 4) | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVED |
| 50 Freestyle | LCM | 31.60 | flying | 200 Free Relay (leg 3) | 2025-08-08 | 2025 USMS Summer Nationals- OBSERVED |
| 50 Backstroke | LCM | 36.45 | flat | 200 Medley Relay | 2025-08-09 | 2025 USMS Summer Nationals- OBSERVED |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
100 Freestyle LCM 1:15.58 RT 0.88s
Front half 35.40s · back half 40.18s
100 Backstroke LCM 1:21.88 RT 0.75s
Front half 39.92s · back half 41.96s
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.