swimCollin Grinstead
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.21 | +13.62s to Sectionals | 2023-01-08 | New Year Stretch 2023slow pool |
| 100 Freestyle | SCY | 1:07.22 | +18.23s to Sectionals | 2024-02-10 | 2024 SPIRE D1 Sectionalfast pool |
| 100 Backstroke | SCY | 1:17.80 | +21.71s to Sectionals | 2024-02-10 | 2024 SPIRE D1 Sectionalfast 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 Freestyle | SCY | 29.15 | flying | 200 Free Relay (leg 3) | 2024-02-10 | 2024 SPIRE D1 Sectional |
| 50 Backstroke | SCY | 34.94 | flat | 200 Medley Relay | 2024-02-10 | 2024 SPIRE D1 Sectional |
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 SCY 1:07.22
Front half 30.72s · back half 36.50s
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.