swimJason Koster
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Backstroke | SCY | 1:06.15 | 2026-02-21 | 2026 MPSSAA_321A State Championships fast pool | |
| 100 Butterfly | SCY | 1:00.23 | 2026-02-14 | 2026 MPSSAA 3A2A1A West Region venue |
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 | 24.12 | flying | 200 Free Relay (leg 2) | 2026-02-14 | 2026 MPSSAA 3A2A1A West Region |
| 100 Freestyle | SCY | 55.75 | flying | 400 Free Relay (leg 3) | 2026-02-07 | 2026 FCPS Swimming & Diving Championship |
| 50 Butterfly | SCY | 25.69 | flying | 200 Medley Relay (leg 3) | 2026-02-14 | 2026 MPSSAA 3A2A1A West Region |
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 Backstroke SCY 1:06.15
Front half 31.95s · back half 34.20s
100 Butterfly SCY 1:00.23
Front half 26.99s · back half 33.24s
Progression
Faster times are higher. One card per event, all courses & history.