swimMairin O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 200 Freestyle | LCM | 3:20.27 | +61.28s to Sectionals | 2017-07-08 | 2017 IE VS Starlight Openslow pool |
| 50 Backstroke | LCM | 47.98 | +17.09s to Futures | 2017-07-08 | 2017 IE VS Starlight Openslow pool |
| 100 Backstroke | LCM | 1:40.53 | +29.14s to Sectionals | 2017-07-09 | 2017 IE VS Starlight Openslow pool |
| 50 Breaststroke | LCM | 54.45 | +19.66s to Futures | 2017-07-09 | 2017 IE VS Starlight Openslow pool |
| 100 Breaststroke | LCM | 1:58.25 | +37.26s to Sectionals | 2017-07-08 | 2017 IE VS Starlight Openslow pool |
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.
IMX / IMR
IMX 10 & under · LCM
1474 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:20.27 | 464 |
| 100 BK LCM | 1:40.53 | 524 |
| 100 BR LCM | 1:58.25 | 486 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · LCM
938 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 47.98 | 477 |
| 50 BR LCM | 54.45 | 461 |
| 100 FR LCM | — | 0 |
| 50 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke LCM 1:40.53
Front half 48.82s · back half 51.71s
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.