swimIsaac Grinberg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.34 | Sectionals ✓+1.65s to US Open | 2017-02-24 | 2017 OHIO STATE HIGH SCHOOL fast pool |
| 100 Butterfly | SCY | 50.31 | Sectionals ✓+3.62s to US Open | 2017-02-25 | 2017 OHIO STATE HIGH SCHOOL fast 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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Butterfly | SCY | 22.74 | flying | 200 Medley Relay (leg 3) | 2017-02-25 | 2017 OHIO STATE HIGH SCHOOL |
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 Butterfly SCY 50.31
Front half 23.40s · back half 26.91s
Progression
Faster times are higher. One card per event, all courses & history.