Cora Roseborough
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.79 | A+0.70s to AA | 2026-02-15 | 2026 MN RSC President's Day Meet venue |
| 100 Freestyle | SCY | 57.61 | A+1.02s to AA | 2025-12-14 | 2025 MN SCSC Winter Carnival venue |
| 200 Freestyle | SCY | 2:08.60 | BB+0.91s to A | 2024-12-22 | 2024 MN AQJT Holiday Invite venue |
| 1650 Freestyle | SCY | 19:50.88 | A+44.29s to AA | 2025-06-08 | 2025 MN STAR Summer Kickoff venue |
| 50 Backstroke | SCY | 28.92 | A+0.03s to AA | 2026-02-14 | 2026 MN RSC President's Day Meet venue |
| 100 Backstroke | SCY | 1:00.01 | AA+1.52s to AAA | 2025-03-15 | 2025 MN AQJT Senior Short Course State Champi venue |
| 200 Backstroke | SCY | 2:08.10 | AA+1.11s to AAA | 2026-03-14 | 2026 MN AQJT Senior SC State Championship venue |
| 50 Breaststroke | SCY | 32.75 | AA+0.56s to AAA | 2026-03-14 | 2026 MN AQJT Senior SC State Championship venue |
| 100 Breaststroke | SCY | 1:10.10 | AA+2.81s to AAA | 2026-03-13 | 2026 MN AQJT Senior SC State Championship venue |
| 200 Breaststroke | SCY | 2:28.86 | AA+2.07s to AAA | 2026-03-14 | 2026 MN AQJT Senior SC State Championship venue |
| 50 Butterfly | SCY | 29.42 | A+0.83s to AA | 2025-12-14 | 2025 MN SCSC Winter Carnival venue |
| 100 Butterfly | SCY | 1:02.07 | A+1.18s to AA | 2024-01-13 | 2024 MN FOXJ Winter Classic venue |
| 200 Butterfly | SCY | 2:28.99 | BB+7.50s to A | 2025-02-15 | 2025 MN RSC President's Day Meet venue |
| 100 Individual Medley | SCY | 1:04.17 | 2026-02-28 | 2026 MN MTKA Minnesota Regional Championship venue | |
| 200 Individual Medley | SCY | 2:13.35 | AA+2.76s to AAA | 2025-03-16 | 2025 MN AQJT Senior Short Course State Champi venue |
| 400 Individual Medley | SCY | 4:46.33 | AA+8.14s to AAA | 2026-02-27 | 2026 MN MTKA Minnesota Regional Championship |
| 100 Freestyle | LCM | 1:06.24 | A+1.95s to AA | 2025-06-29 | 2025 MN AQJT Aquajets Summer Spectacular venue |
| 400 Freestyle | LCM | 5:12.12 | BB+5.43s to A | 2025-05-11 | 2025 MN HURR LC Spring Opener venue |
| 100 Backstroke | LCM | 1:09.82 | AA+1.43s to AAA | 2025-08-02 | 2025 ND DRGN MN Senior LC State Championship venue |
| 200 Backstroke | LCM | 2:29.32 | AA+1.13s to AAA | 2025-08-03 | 2025 ND DRGN MN Senior LC State Championship venue |
| 100 Breaststroke | LCM | 1:20.51 | AA+3.32s to AAA | 2025-08-01 | 2025 ND DRGN MN Senior LC State Championship venue |
| 200 Breaststroke | LCM | 2:55.24 | A+0.25s to AA | 2025-08-02 | 2025 ND DRGN MN Senior LC State Championship venue |
| 100 Butterfly | LCM | 1:16.72 | BB+4.43s to A | 2025-05-11 | 2025 MN HURR LC Spring Opener venue |
| 200 Individual Medley | LCM | 2:38.09 | A+1.40s to AA | 2025-08-03 | 2025 ND DRGN MN Senior LC State Championship venue |
| 400 Individual Medley | LCM | 5:36.33 | A+3.74s to AA | 2025-06-28 | 2025 MN AQJT Aquajets Summer Spectacular venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.23 | flying | 200 Free Relay (leg 4) | 2025-02-14 | 2025 MN RSC President's Day Meet |
| 100 Freestyle | SCY | 57.29 | flying | 400 Free Relay (leg 3) | 2026-03-14 | 2026 MN AQJT Senior SC State Championship |
| 200 Freestyle | SCY | 2:02.48 | flying | 800 Free Relay (leg 2) | 2026-03-12 | 2026 MN AQJT Senior SC State Championship |
| 50 Backstroke | SCY | 30.26 | flat | 200 Medley Relay | 2026-02-14 | 2026 MN RSC President's Day Meet |
| 100 Backstroke | SCY | 1:01.53 | flat | 400 Medley Relay | 2026-03-14 | 2026 MN AQJT Senior SC State Championship |
| 50 Butterfly | SCY | 30.19 | flying | 200 Medley Relay (leg 3) | 2025-03-08 | 2025 MN EDI Minnesota Regional Championship |
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 17-18 · SCY
3710 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:08.10 | 803 |
| 200 BR SCY | 2:28.86 | 805 |
| 200 FL SCY | 2:28.99 | 550 |
| 200 IM SCY | 2:13.35 | 778 |
| 400 IM SCY | 4:46.33 | 774 |
| 500 FR SCY | — | 0 |
IMR 17-18 · SCY
3627 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:08.60 | 632 |
| 100 BK SCY | 1:00.01 | 769 |
| 100 BR SCY | 1:10.10 | 746 |
| 100 FL SCY | 1:02.07 | 702 |
| 200 IM SCY | 2:13.35 | 778 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.61
Front half 27.87s · back half 29.74s
200 Freestyle SCY 2:08.60
Front half 62.41s · back half 66.19s
1650 Freestyle SCY 19:50.88
100 Backstroke SCY 1:00.01
Front half 29.30s · back half 30.71s
200 Backstroke SCY 2:08.10 RT 0.61s
Front half 63.46s · back half 64.64s
100 Breaststroke SCY 1:10.10 RT 0.69s
Front half 33.15s · back half 36.95s
200 Breaststroke SCY 2:28.86 RT 0.73s
Front half 71.57s · back half 77.29s
100 Butterfly SCY 1:02.07
Front half 32.43s · back half 29.64s
200 Butterfly SCY 2:28.99
Front half 69.34s · back half 79.65s
100 Individual Medley SCY 1:04.17
Front half 29.51s · back half 34.66s
200 Individual Medley SCY 2:13.35
Front half 62.60s · back half 70.75s
100 Freestyle LCM 1:06.24
Front half 32.30s · back half 33.94s
400 Freestyle LCM 5:12.12
Front half 156.55s · back half 155.57s
100 Backstroke LCM 1:09.82
Front half 34.34s · back half 35.48s
200 Backstroke LCM 2:29.32
Front half 73.49s · back half 75.83s
100 Breaststroke LCM 1:20.51
Front half 38.06s · back half 42.45s
200 Breaststroke LCM 2:55.24
Front half 84.63s · back half 90.61s
100 Butterfly LCM 1:16.72
Front half 35.43s · back half 41.29s
200 Individual Medley LCM 2:38.09
Front half 74.50s · back half 83.59s
400 Individual Medley LCM 5:36.33
Front half 166.83s · back half 169.50s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.