swimDax O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.46 | A+0.07s to AA | 2025-11-21 | NLSC Sprint Classic |
| 100 Freestyle | SCY | 58.73 | B+0.84s to BB | 2022-02-04 | 2022 Water Bowl |
| 200 Freestyle | SCY | 1:57.00 | BB+0.21s to A | 2025-11-21 | NLSC Sprint Classic |
| 500 Freestyle | SCY | 6:04.25 | B+20.26s to BB | 2021-02-05 | Central Area Conference Invite 2020 |
| 50 Backstroke | SCY | 45.37 | +13.58s to B | 2018-02-02 | 2018 Valentine's Day Invitational |
| 50 Breaststroke | SCY | 37.65 | +0.96s to B | 2021-04-01 | 2021 Alaska Age Group Postal |
| 100 Breaststroke | SCY | 1:16.98 | B+5.49s to BB | 2022-02-04 | 2022 Water Bowl |
| 50 Butterfly | SCY | 33.39 | +1.60s to B | 2021-02-05 | Central Area Conference Invite 2020 |
| 100 Individual Medley | SCY | 1:00.40 | 2025-11-21 | NLSC Sprint Classic | |
| 100 Freestyle | LCM | 1:39.66 | +27.77s to B | 2017-07-28 | 2017 Alaska Summer Championship |
| 50 Breaststroke | LCM | 1:02.30 | +20.41s to B | 2017-07-28 | 2017 Alaska Summer Championship |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
IMX / IMR
IMX 15-16 · SCY
436 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:04.25 | 436 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1082 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:57.00 | 662 |
| 100 BR SCY | 1:16.98 | 420 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 58.73
Front half 27.73s · back half 31.00s
200 Freestyle SCY 1:57.00 split/total mismatch
Front half 28.90s · back half 88.10s
500 Freestyle SCY 6:04.25 split/total mismatch
100 Breaststroke SCY 1:16.98
Front half 35.89s · back half 41.09s
100 Individual Medley SCY 1:00.40 split/total mismatch
Front half 28.20s · back half 32.20s
Progression
Faster times are higher. One card per event, all courses & history.