swimCormac O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 22.19 | 2026-03-21 | 2026 Maryland 8 & Under Championship Meetfast pool | |
| 50 Freestyle | SCY | 43.36 | +20.97s to Sectionals | 2026-10-18 | 2026 Fox Fall Invitational 1venue |
| 100 Freestyle | SCY | 1:53.51 | +65.02s to Sectionals | 2026-03-21 | 2026 Maryland 8 & Under Championship Meetfast pool |
| 200 Freestyle | SCY | 3:32.00 | +105.71s to Sectionals | 2026-11-01 | 2026 Fox Fall Invitational 2venue |
| 25 Backstroke | SCY | 26.46 | 2026-03-22 | 2026 Maryland 8 & Under Championship Meetfast pool | |
| 50 Backstroke | SCY | 51.87 | +28.18s to Futures | 2026-10-18 | 2026 Fox Fall Invitational 1venue |
| 100 Backstroke | SCY | 2:12.36 | +77.87s to Sectionals | 2026-03-22 | 2026 Maryland 8 & Under Championship Meetfast pool |
| 25 Breaststroke | SCY | 42.79 | 2025-01-01 | 2025 nbac holiday 8 u invitational meet final results pdf | |
| 25 Butterfly | SCY | 27.08 | 2026-03-22 | 2026 Maryland 8 & Under Championship Meetfast pool | |
| 50 Butterfly | SCY | 57.00 | +34.11s to Futures | 2026-10-17 | 2026 Fox Fall Invitational 1venue |
| 100 Individual Medley | SCY | 1:57.36 | 2026-10-18 | 2026 Fox Fall Invitational 1venue |
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
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 | 41.90 | flying | 200 Medley Relay (leg 4) | 2026-10-18 | 2026 Fox Fall Invitational 1 |
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 10 & under · SCY
386 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:32.00 | 245 |
| 100 BK SCY | 2:12.36 | 141 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
758 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:53.51 | 152 |
| 50 BK SCY | 51.87 | 239 |
| 50 FL SCY | 57.00 | 157 |
| 100 IM SCY | 1:57.36 | 210 |
| 50 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 3:32.00
Front half 103.01s · back half 108.99s
100 Backstroke SCY 2:12.36
Front half 62.58s · back half 69.78s
100 Individual Medley SCY 1:57.36
Front half 54.56s · back half 62.80s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.