swimMarin O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.52 | B+2.03s to BB·+5.43s to Sectionals | 2019-01-18 | 2019 UT OA TYR Winter Blast venue |
| 100 Freestyle | SCY | 1:07.54 | B+3.55s to BB·+11.05s to Sectionals | 2019-01-19 | 2019 UT OA TYR Winter Blast venue |
| 200 Freestyle | SCY | 2:26.10 | B+7.81s to BB·+23.71s to Sectionals | 2019-01-18 | 2019 UT OA TYR Winter Blast venue |
| 500 Freestyle | SCY | 6:28.47 | B+15.48s to BB·+59.08s to Sectionals | 2019-01-08 | 2019 UT OA TYR IronIMs venue |
| 100 Backstroke | SCY | 1:14.64 | +0.15s to B·+13.25s to Sectionals | 2019-01-18 | 2019 UT OA TYR Winter Blast venue |
| 200 Backstroke | SCY | 2:40.06 | B+9.97s to BB·+26.77s to Sectionals | 2019-01-19 | 2019 UT OA TYR Winter Blast venue |
| 100 Butterfly | SCY | 1:27.12 | +13.03s to B·+26.03s to Sectionals | 2019-01-18 | 2019 UT OA TYR Winter Blast venue |
| 100 Individual Medley | SCY | 1:18.93 | 2019-01-08 | 2019 UT OA TYR IronIMs venue | |
| 200 Individual Medley | SCY | 2:45.92 | B+11.63s to BB·+29.43s to Sectionals | 2019-01-19 | 2019 UT OA TYR Winter Blast venue |
| 100 Freestyle | LCM | 1:19.13 | +0.84s to B·+14.74s to Sectionals | 2022-07-09 | 2022 UT WFFM Red, White, Black venue |
| 400 Freestyle | LCM | 6:01.45 | +3.66s to B·+69.66s to Sectionals | 2022-07-08 | 2022 UT WFFM Red, White, Black venue |
| 100 Breaststroke | LCM | 1:44.78 | +6.49s to B·+23.79s to Sectionals | 2022-07-08 | 2022 UT WFFM Red, White, Black venue |
| 200 Individual Medley | LCM | 3:16.96 | +6.17s to B·+39.97s to Sectionals | 2022-06-04 | 2022 UT CHAT Non-Qualifier venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
IMX / IMR
IMX 17-18 · SCY
1263 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:28.47 | 448 |
| 200 BK SCY | 2:40.06 | 411 |
| 200 IM SCY | 2:45.92 | 404 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1488 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:26.10 | 431 |
| 100 BK SCY | 1:14.64 | 399 |
| 100 FL SCY | 1:27.12 | 254 |
| 200 IM SCY | 2:45.92 | 404 |
| 100 BR 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 1:07.54
Front half 32.53s · back half 35.01s
200 Freestyle SCY 2:26.10
Front half 69.76s · back half 76.34s
500 Freestyle SCY 6:28.47
100 Backstroke SCY 1:14.64
Front half 36.31s · back half 38.33s
200 Backstroke SCY 2:40.06
Front half 78.20s · back half 81.86s
100 Butterfly SCY 1:27.12
Front half 39.24s · back half 47.88s
100 Individual Medley SCY 1:18.93
Front half 36.77s · back half 42.16s
200 Individual Medley SCY 2:45.92
Front half 79.33s · back half 86.59s
100 Freestyle LCM 1:19.13
Front half 37.77s · back half 41.36s
400 Freestyle LCM 6:01.45
Front half 176.76s · back half 184.69s
100 Breaststroke LCM 1:44.78
Front half 49.47s · back half 55.31s
200 Individual Medley LCM 3:16.96
Front half 93.71s · back half 103.25s
Progression
Faster times are higher. One card per event, all courses & history.