Robert O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.39 | 2025-01-24 | KHSAA Region Eight Championships fast pool | |
| 100 Freestyle | SCY | 57.14 | 2025-01-24 | KHSAA Region Eight Championships fast pool | |
| 200 Freestyle | SCY | 2:28.74 | 2020-02-14 | 2020 Seahawk Dare to Care Winter Invite | |
| 50 Backstroke | SCY | 39.01 | 2019-11-15 | Kentucky Aquatics Autumn Classic | |
| 100 Backstroke | SCY | 1:16.54 | 2020-03-08 | LEXD Race to State 2020 venue | |
| 200 Backstroke | SCY | 2:51.33 | 2020-02-14 | 2020 Seahawk Dare to Care Winter Invite | |
| 50 Breaststroke | SCY | 44.24 | 2019-11-15 | Kentucky Aquatics Autumn Classic | |
| 100 Breaststroke | SCY | 1:34.56 | 2020-02-14 | 2020 Seahawk Dare to Care Winter Invite | |
| 50 Butterfly | SCY | 34.55 | 2019-11-15 | Kentucky Aquatics Autumn Classic | |
| 100 Butterfly | SCY | 1:16.47 | 2020-03-08 | LEXD Race to State 2020 venue | |
| 200 Individual Medley | SCY | 2:47.81 | 2020-02-14 | 2020 Seahawk Dare to Care Winter Invite 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 | 24.19 | flying | 200 Free Relay (leg 2) | 2025-02-08 | 1st Round KHSAA Championships Site #3 |
| 50 Butterfly | SCY | 25.60 | flying | 200 Medley Relay (leg 3) | 2025-02-08 | 1st Round KHSAA Championships Site #3 |
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 Freestyle SCY 57.14
Front half 26.31s · back half 30.83s
100 Backstroke SCY 1:16.54
Front half 36.64s · back half 39.90s
100 Butterfly SCY 1:16.47
Front half 34.96s · back half 41.51s
200 Individual Medley SCY 2:47.81
Front half 77.99s · back half 89.82s
Progression
Faster times are higher. One card per event, all courses & history.