swimWilliam Peterson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.30 | 2024-11-17 | 2024 TYR Thanksgiving Classic venue | |
| 100 Freestyle | SCY | 56.74 | 2024-11-16 | 2024 TYR Thanksgiving Classic venue | |
| 200 Freestyle | SCY | 2:14.59 | 2024-11-17 | 2024 TYR Thanksgiving Classic venue | |
| 100 Backstroke | SCY | 1:12.44 | 2024-11-17 | 2024 TYR Thanksgiving Classic venue | |
| 100 Breaststroke | SCY | 1:04.28 | 2026-03-13 | MHSAA Boys D3 State Championship 2026 fast pool |
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 | 26.03 | flat | 200 Free Relay | 2024-11-17 | 2024 TYR Thanksgiving Classic |
| 50 Freestyle | SCY | 23.94 | flying | 200 Medley Relay (leg 4) | 2025-02-01 | 2025 HS Boys MISCA Meet |
| 100 Freestyle | SCY | 51.00 | flying | 400 Free Relay (leg 3) | 2026-03-14 | MHSAA Boys D3 State Championship 2026 |
| 50 Breaststroke | SCY | 28.07 | flying | 200 Medley Relay (leg 2) | 2026-03-14 | MHSAA Boys D3 State Championship 2026 |
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 56.74
Front half 27.00s · back half 29.74s
200 Freestyle SCY 2:14.59
Front half 64.70s · back half 69.89s
100 Backstroke SCY 1:12.44
Front half 35.47s · back half 36.97s
100 Breaststroke SCY 1:04.28
Front half 29.83s · back half 34.45s
Progression
Faster times are higher. One card per event, all courses & history.