Sofia Johnston
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.52 | BB+1.83s to A | 2025-12-13 | 2025 NBAC 51st Annual Christmas Invitational venue |
| 100 Freestyle | SCY | 1:04.76 | BB+4.67s to A | 2025-12-14 | 2025 NBAC 51st Annual Christmas Invitational venue |
| 200 Freestyle | SCY | 2:19.44 | BB+9.75s to A | 2026-01-11 | EST SPEEDO Mid-Winter Invite fast pool |
| 500 Freestyle | SCY | 6:15.97 | BB+26.08s to A | 2024-11-11 | WSY Thanksgiving Invite |
| 50 Backstroke | SCY | 32.26 | BB+1.47s to A | 2026-02-20 | 2026 Speedo MD LSC Senior Champs venue |
| 100 Backstroke | SCY | 1:08.89 | BB+3.80s to A | 2026-03-27 | 2026 TAC TITANS Tarheel States Meet venue |
| 200 Backstroke | SCY | 2:24.51 | BB+3.22s to A | 2026-03-28 | 2026 TAC TITANS Tarheel States Meet venue |
| 50 Breaststroke | SCY | 34.91 | A+0.52s to AA | 2026-02-22 | 2026 Speedo MD LSC Senior Champs venue |
| 100 Breaststroke | SCY | 1:14.32 | A+2.43s to AA | 2026-03-25 | 2026 TAC TITANS Tarheel States Meet venue |
| 200 Breaststroke | SCY | 2:37.46 | A+2.87s to AA | 2026-02-01 | 2026 ASC Senior Meet venue |
| 50 Butterfly | SCY | 31.14 | BB+0.85s to A | 2026-02-01 | 2026 ASC Senior Meet venue |
| 100 Butterfly | SCY | 1:08.60 | BB+3.61s to A | 2026-03-25 | 2026 TAC TITANS Tarheel States Meet venue |
| 100 Individual Medley | SCY | 1:07.99 | 2026-02-19 | 2026 Speedo MD LSC Senior Champs venue | |
| 200 Individual Medley | SCY | 2:24.76 | A+5.97s to AA | 2026-02-07 | 2026 FCPS Swimming & Diving Championship fast pool |
| 400 Individual Medley | SCY | 5:31.84 | BB+20.85s to A | 2024-02-09 | 2024 CAC Last Chance Qualifying slow pool |
| 50 Freestyle | LCM | 34.11 | BB+2.52s to A | 2026-06-08 | Chargers Mid Season Long Course Invitational |
| 100 Freestyle | LCM | 1:13.24 | BB+5.05s to A | 2026-06-08 | Chargers Mid Season Long Course Invitational |
| 200 Freestyle | LCM | 2:44.96 | B+4.77s to BB | 2024-05-31 | 2024 FOX Speedo Summer Spectacular Meet |
| 400 Freestyle | LCM | 5:52.10 | B+15.11s to BB | 2024-07-26 | 2024 Maryland Long Course Junior Championship venue |
| 50 Backstroke | LCM | 44.51 | +2.22s to B | 2022-07-23 | MAC-EST End of Summer Splash slow pool |
| 100 Backstroke | LCM | 1:21.25 | BB+5.56s to A | 2025-05-16 | 2025 Abby Seeger Memorial Invitational |
| 200 Backstroke | LCM | 2:51.30 | BB+8.51s to A | 2025-07-31 | 2025 MD LSC LC Championships venue |
| 50 Breaststroke | LCM | 40.03 | A+1.34s to AA | 2026-06-08 | Chargers Mid Season Long Course Invitational |
| 100 Breaststroke | LCM | 1:24.38 | A+2.09s to AA | 2024-05-31 | 2024 FOX Speedo Summer Spectacular Meet |
| 200 Breaststroke | LCM | 3:03.30 | A+5.21s to AA | 2025-06-30 | Chargers Mid Season Long Course Invitational |
| 50 Butterfly | LCM | 34.07 | A+1.38s to AA | 2026-06-30 | Chargers Mid Season Long Course Invitational |
| 100 Butterfly | LCM | 1:18.59 | BB+5.10s to A | 2026-06-30 | Chargers Mid Season Long Course Invitational |
| 200 Individual Medley | LCM | 2:48.82 | BB+2.13s to A | 2025-05-16 | 2025 Abby Seeger Memorial Invitational venue |
| 400 Individual Medley | LCM | 5:56.65 | BB+1.76s to A | 2026-06-30 | Chargers Mid Season Long Course Invitational |
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 | 28.89 | flying | 200 Free Relay (leg 3) | 2025-03-07 | 2025 MD LSC 14 & U Championships |
| 100 Freestyle | SCY | 1:03.75 | flying | 400 Free Relay (leg 3) | 2025-03-09 | 2025 MD LSC 14 & U Championships |
| 50 Breaststroke | SCY | 34.67 | flying | 200 Medley Relay (leg 2) | 2025-03-06 | 2025 MD LSC 14 & U Championships |
| 100 Breaststroke | SCY | 1:14.36 | flying | 400 Medley Relay (leg 2) | 2025-03-08 | 2025 MD LSC 14 & U Championships |
| 100 Freestyle | LCM | 1:12.66 | flying | 400 Free Relay (leg 3) | 2025-07-31 | 2025 MD LSC LC Championships |
| 100 Breaststroke | LCM | 1:26.25 | flying | 400 Medley Relay (leg 2) | 2025-08-01 | 2025 MD LSC LC Championships |
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 · SCY
2957 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:15.97 | 512 |
| 200 BK SCY | 2:24.51 | 597 |
| 200 BR SCY | 2:37.46 | 695 |
| 200 IM SCY | 2:24.76 | 637 |
| 400 IM SCY | 5:31.84 | 516 |
| 200 FL SCY | — | 0 |
IMR 15-16 · SCY
2881 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:19.44 | 515 |
| 100 BK SCY | 1:08.89 | 539 |
| 100 BR SCY | 1:14.32 | 653 |
| 100 FL SCY | 1:08.60 | 537 |
| 200 IM SCY | 2:24.76 | 637 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:04.76
Front half 30.88s · back half 33.88s
200 Freestyle SCY 2:19.44
Front half 67.86s · back half 71.58s
500 Freestyle SCY 6:15.97 split/total mismatch
100 Backstroke SCY 1:08.89
Front half 33.59s · back half 35.30s
200 Backstroke SCY 2:24.51
Front half 71.29s · back half 73.22s
100 Breaststroke SCY 1:14.32
Front half 35.06s · back half 39.26s
200 Breaststroke SCY 2:37.46
Front half 76.19s · back half 81.27s
100 Butterfly SCY 1:08.60
Front half 31.65s · back half 36.95s
100 Individual Medley SCY 1:07.99
Front half 31.02s · back half 36.97s
200 Individual Medley SCY 2:24.76
Front half 67.55s · back half 77.21s
400 Individual Medley SCY 5:31.84
Front half 163.51s · back half 168.33s
100 Freestyle LCM 1:13.24 · 320.0 min after 100 Backstrokesplit/total mismatch
Front half 34.83s · back half 38.41s
400 Freestyle LCM 5:52.10
Front half 175.61s · back half 176.49s
100 Backstroke LCM 1:21.25
Front half 39.84s · back half 41.41s
200 Backstroke LCM 2:51.30
Front half 84.19s · back half 87.11s
200 Breaststroke LCM 3:03.30 split/total mismatch
100 Butterfly LCM 1:18.59 split/total mismatch
Front half 36.09s · back half 42.50s
200 Individual Medley LCM 2:48.82
Front half 80.33s · back half 88.49s
400 Individual Medley LCM 5:56.65 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.