swimOlivia Marcum
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.45 | A+0.36s to AA | 2025-03-15 | 2025 OSI Arena Senior SC Championships venue |
| 100 Freestyle | SCY | 56.69 | A+0.10s to AA | 2025-02-21 | 2025 OSAA 6A Championships venue |
| 200 Freestyle | SCY | 2:05.23 | A+2.94s to AA | 2025-03-15 | 2025 OSI Arena Senior SC Championships venue |
| 50 Backstroke | SCY | 30.01 | A+1.12s to AA | 2025-03-14 | 2025 OSI Arena Senior SC Championships venue |
| 100 Backstroke | SCY | 1:05.59 | BB+1.70s to A | 2025-02-15 | 2025 OR HS 6a-2 venue |
| 200 Backstroke | SCY | 2:28.93 | BB+10.44s to A | 2024-10-12 | 2024 LOSC Fall Open slow pool |
| 100 Breaststroke | SCY | 1:22.57 | B+3.08s to BB | 2024-10-12 | 2024 LOSC Fall Open slow pool |
| 50 Freestyle | LCM | 31.00 | BB+0.01s to A | 2025-05-03 | 2025 PN BC May Flowers venue |
| 100 Freestyle | LCM | 1:07.06 | A+2.77s to AA | 2025-07-13 | 2025 Seth Dawson venue |
| 200 Freestyle | LCM | 2:29.93 | BB+4.74s to A | 2025-07-12 | 2025 Seth Dawson venue |
| 50 Backstroke | LCM | 36.64 | BB+1.15s to A | 2025-07-12 | 2025 Seth Dawson venue |
| 100 Backstroke | LCM | 1:19.81 | BB+5.22s to A | 2025-05-03 | 2025 PN BC May Flowers venue |
| 100 Breaststroke | LCM | 1:35.03 | B+3.74s to BB | 2024-05-05 | 2024 PN BC May Flowers venue |
| 200 Individual Medley | LCM | 2:57.92 | B+0.73s to BB | 2024-05-04 | 2024 PN BC May Flowers venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 27.82 | flat | 200 Free Relay | 2024-10-13 | 2024 LOSC Fall Open |
| 50 Freestyle | SCY | 26.35 | flying | 200 Free Relay (leg 3) | 2025-03-16 | 2025 OSI Arena Senior SC Championships |
| 100 Freestyle | SCY | 56.25 | flying | 400 Free Relay (leg 3) | 2025-03-15 | 2025 OSI Arena Senior SC Championships |
| 50 Backstroke | SCY | 31.09 | flat | 200 Medley Relay | 2025-03-14 | 2025 OSI Arena Senior SC Championships |
| 100 Backstroke | SCY | 1:05.26 | flat | 400 Medley Relay | 2025-03-16 | 2025 OSI Arena Senior SC Championships |
| 50 Freestyle | LCM | 31.17 | flying | 200 Free Relay (leg 3) | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
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 17-18 · SCY
511 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:28.93 | 511 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · LCM
2079 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:29.93 | 590 |
| 100 BK LCM | 1:19.81 | 527 |
| 100 BR LCM | 1:35.03 | 454 |
| 200 IM LCM | 2:57.92 | 508 |
| 100 FL LCM | — | 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 56.69
Front half 27.11s · back half 29.58s
200 Freestyle SCY 2:05.23
Front half 59.40s · back half 65.83s
100 Backstroke SCY 1:05.59
Front half 31.52s · back half 34.07s
200 Backstroke SCY 2:28.93
Front half 73.39s · back half 75.54s
100 Breaststroke SCY 1:22.57
Front half 38.98s · back half 43.59s
100 Freestyle LCM 1:07.06
Front half 31.87s · back half 35.19s
200 Freestyle LCM 2:29.93
Front half 70.66s · back half 79.27s
200 Individual Medley LCM 2:57.92
Front half 85.39s · back half 92.53s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.