swimBrynn Sosnowski
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.96 | AA+0.57s to AAA | 2026-02-08 | 2026 Michigan Open venue |
| 100 Freestyle | SCY | 58.39 | A+0.80s to AA | 2024-12-14 | OLY Swimming Holiday Bowl venue |
| 100 Backstroke | SCY | 1:02.94 | A+0.55s to AA | 2026-02-08 | 2026 Michigan Open venue |
| 200 Backstroke | SCY | 2:08.63 | AAA+4.94s to AAAA | 2026-03-07 | 2026 MCSA Senior Cup Championships venue |
| 50 Breaststroke | SCY | 31.09 | AAAA | 2025-03-09 | 2025 SCY MAGS Championship Meet venue |
| 100 Breaststroke | SCY | 1:05.95 | AAA+0.36s to AAAA | 2025-11-21 | 2025 Girls MHSAA Division 1 Championships venue |
| 200 Breaststroke | SCY | 2:22.36 | AAA+1.17s to AAAA | 2026-03-07 | 2026 MCSA Senior Cup Championships venue |
| 100 Individual Medley | SCY | 1:02.33 | 2025-03-08 | 2025 SCY MAGS Championship Meet venue | |
| 200 Individual Medley | SCY | 2:11.39 | AAA+4.70s to AAAA | 2026-03-08 | 2026 MCSA Senior Cup Championships venue |
| 400 Individual Medley | SCY | 4:33.06 | AAA+0.97s to AAAA | 2026-03-29 | 2026 SCY ULTRA Championship Meet venue |
| 50 Freestyle | LCM | 31.91 | BB+0.32s to A | 2024-06-16 | 2024 OLY Summer Classic venue |
| 100 Freestyle | LCM | 1:11.13 | BB+2.94s to A | 2024-06-15 | 2024 OLY Summer Classic venue |
| 200 Freestyle | LCM | 2:26.30 | A+4.61s to AA | 2025-06-29 | 2025 OLY Summer Classic venue |
| 400 Freestyle | LCM | 5:08.63 | A+10.54s to AA | 2025-06-27 | 2025 OLY Summer Classic venue |
| 100 Backstroke | LCM | 1:13.07 | A+0.48s to AA | 2025-07-20 | 2025 LC MAGS Championship Meet fast pool |
| 200 Backstroke | LCM | 2:37.12 | A+1.13s to AA | 2025-07-19 | 2025 LC MAGS Championship Meet fast pool |
| 50 Breaststroke | LCM | 35.43 | AAA+0.14s to AAAA | 2025-07-20 | 2025 LC MAGS Championship Meet fast pool |
| 100 Breaststroke | LCM | 1:20.93 | AA+2.24s to AAA | 2025-07-18 | 2025 LC MAGS Championship Meet fast pool |
| 200 Breaststroke | LCM | 2:54.62 | AA+4.33s to AAA | 2025-07-19 | 2025 LC MAGS Championship Meet fast pool |
| 200 Individual Medley | LCM | 2:36.12 | AA+3.33s to AAA | 2026-06-13 | 2026 OLY Summer Classic venue |
| 400 Individual Medley | LCM | 5:30.02 | AA+4.73s to AAA | 2026-06-12 | 2026 OLY Summer Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 25.67 | flat | 200 Free Relay | 2026-03-29 | 2026 SCY ULTRA Championship Meet |
| 50 Freestyle | SCY | 25.14 | flying | 200 Free Relay (leg 2) | 2025-11-21 | 2025 Girls MHSAA Division 1 Championships |
| 100 Freestyle | SCY | 57.57 | flying | 400 Free Relay (leg 4) | 2025-03-07 | 2025 SCY MAGS Championship Meet |
| 50 Breaststroke | SCY | 30.46 | flying | 200 Medley Relay (leg 2) | 2025-11-21 | 2025 Girls MHSAA Division 1 Championships |
| 100 Breaststroke | SCY | 1:10.87 | flying | 400 Medley Relay (leg 2) | 2025-03-08 | 2025 SCY MAGS Championship Meet |
| 100 Freestyle | LCM | 1:04.95 | flat | 400 Free Relay | 2025-07-20 | 2025 LC MAGS Championship Meet |
| 100 Freestyle | LCM | 1:06.07 | flying | 400 Free Relay (leg 2) | 2024-07-19 | 2024 MAGS Long Course Championship Meet |
| 100 Backstroke | LCM | 1:13.61 | flat | 400 Medley Relay | 2025-07-18 | 2025 LC MAGS Championship Meet |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 15-16 · LCM
3663 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:08.63 | 643 |
| 200 BK LCM | 2:37.12 | 708 |
| 200 BR LCM | 2:54.62 | 760 |
| 200 IM LCM | 2:36.12 | 774 |
| 400 IM LCM | 5:30.02 | 778 |
| 200 FL LCM | — | 0 |
IMR 15-16 · LCM
2900 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:26.30 | 652 |
| 100 BK LCM | 1:13.07 | 710 |
| 100 BR LCM | 1:20.93 | 764 |
| 200 IM LCM | 2:36.12 | 774 |
| 100 FL LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 58.39
Front half 28.05s · back half 30.34s
100 Backstroke SCY 1:02.94
Front half 31.43s · back half 31.51s
200 Backstroke SCY 2:08.63
Front half 63.39s · back half 65.24s
100 Breaststroke SCY 1:05.95
Front half 31.18s · back half 34.77s
200 Breaststroke SCY 2:22.36
Front half 68.42s · back half 73.94s
100 Individual Medley SCY 1:02.33
Front half 29.51s · back half 32.82s
200 Individual Medley SCY 2:11.39
Front half 62.45s · back half 68.94s
400 Individual Medley SCY 4:33.06
Front half 133.44s · back half 139.62s
100 Freestyle LCM 1:11.13
Front half 33.48s · back half 37.65s
200 Freestyle LCM 2:26.30
400 Freestyle LCM 5:08.63
Front half 152.93s · back half 155.70s
100 Backstroke LCM 1:13.07
Front half 35.68s · back half 37.39s
200 Backstroke LCM 2:37.12
Front half 78.71s · back half 78.41s
100 Breaststroke LCM 1:20.93
Front half 37.55s · back half 43.38s
200 Breaststroke LCM 2:54.62
Front half 83.86s · back half 90.76s
200 Individual Medley LCM 2:36.12
Front half 74.17s · back half 81.95s
400 Individual Medley LCM 5:30.02
Front half 162.39s · back half 167.63s
Progression
Faster times are higher. One card per event, all courses & history.