Erin O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.78 | B+0.09s to BB | 2026-02-28 | 2026 Central District SC 13 & O Championship venue |
| 100 Freestyle | SCY | 1:09.51 | +0.12s to B | 2025-10-25 | 2025 757swim Fall Fiesta venue |
| 200 Freestyle | SCY | 2:28.52 | B+9.83s to BB | 2025-01-01 | 2025 Phoenix Ice Breaker Invitational |
| 500 Freestyle | SCY | 6:53.47 | +10.88s to B | 2025-10-11 | 2025 TIDE Atlantic Coast Clash - copied venue |
| 50 Backstroke | SCY | 37.56 | +2.27s to B | 2026-03-20 | 2026 SwimRVA Clover Cup |
| 100 Backstroke | SCY | 1:21.18 | +6.19s to B | 2026-03-20 | 2026 SwimRVA Clover Cup |
| 200 Backstroke | SCY | 3:10.35 | +27.86s to B | 2024-02-25 | 2024 Central District 13&O Championships fast pool |
| 50 Breaststroke | SCY | 39.59 | B+1.20s to BB | 2025-11-22 | Bass Turkey Classic 2025 venue |
| 100 Breaststroke | SCY | 1:22.45 | B+2.06s to BB | 2026-03-20 | 2026 SwimRVA Clover Cup |
| 200 Breaststroke | SCY | 2:58.84 | B+4.75s to BB | 2026-02-28 | 2026 Central District SC 13 & O Championship venue |
| 50 Butterfly | SCY | 33.17 | B+0.58s to BB | 2026-03-20 | 2026 SwimRVA Clover Cup |
| 100 Butterfly | SCY | 1:26.38 | +11.59s to B | 2023-11-18 | Bass Turkey Classic 2023 venue |
| 100 Individual Medley | SCY | 1:19.90 | 2025-10-25 | 2025 757swim Fall Fiesta | |
| 200 Individual Medley | SCY | 2:54.22 | +6.93s to B | 2025-10-25 | 2025 757swim Fall Fiesta venue |
| 50 Freestyle | LCM | 35.20 | B+1.41s to BB | 2026-05-29 | 2026 SwimRVA Success Bell |
| 100 Freestyle | LCM | 1:20.41 | +1.92s to B | 2026-04-18 | 2026 SwimRVA Carnation Clash |
| 200 Freestyle | LCM | 2:49.43 | B+12.04s to BB | 2026-06-13 | 2026 SwimRVA Summer Invitational fast pool |
| 400 Freestyle | LCM | 6:16.79 | +17.80s to B | 2026-04-18 | 2026 SwimRVA Carnation Clash |
| 50 Backstroke | LCM | 45.75 | +4.46s to B | 2026-06-13 | 2026 SwimRVA Summer Invitational fast pool |
| 100 Backstroke | LCM | 1:48.11 | +20.62s to B | 2024-04-20 | 2024 SRVA Long Course Kick-Off venue |
| 200 Backstroke | LCM | 3:42.40 | +34.51s to B | 2024-06-15 | SwimRVA Summer Invitational venue |
| 50 Breaststroke | LCM | 44.41 | B+0.92s to BB | 2026-05-29 | 2026 SwimRVA Success Bell |
| 100 Breaststroke | LCM | 1:39.85 | +0.66s to B | 2026-06-12 | 2026 SwimRVA Summer Invitational fast pool |
| 200 Breaststroke | LCM | 3:48.00 | +15.21s to B | 2024-07-13 | 2024 CCA Summer Awards venue |
| 50 Butterfly | LCM | 39.14 | +0.05s to B | 2026-04-18 | 2026 SwimRVA Carnation Clash |
| 100 Butterfly | LCM | 1:41.15 | +16.76s to B | 2024-05-04 | BASS Jim Frye Memorial Invitational May 202 venue |
| 200 Individual Medley | LCM | 3:32.11 | +20.42s to B | 2024-07-13 | 2024 CCA Summer Awards venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 30.00 | flying | 200 Medley Relay (leg 4) | 2025-12-06 | 2025 VSTP Ice Breaker Invitational |
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 15-16 · SCY
1484 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:53.47 | 384 |
| 200 BK SCY | 3:10.35 | 261 |
| 200 BR SCY | 2:58.84 | 474 |
| 200 IM SCY | 2:54.22 | 365 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1867 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:28.52 | 426 |
| 100 BK SCY | 1:21.18 | 329 |
| 100 BR SCY | 1:22.45 | 478 |
| 100 FL SCY | 1:26.38 | 269 |
| 200 IM SCY | 2:54.22 | 365 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:09.51
Front half 33.22s · back half 36.29s
500 Freestyle SCY 6:53.47
Front half 201.86s · back half 211.61s
200 Backstroke SCY 3:10.35
Front half 44.49s · back half 145.86s
200 Breaststroke SCY 2:58.84
Front half 87.06s · back half 91.78s
100 Butterfly SCY 1:26.38
Front half 39.92s · back half 46.46s
200 Individual Medley SCY 2:54.22
Front half 84.22s · back half 90.00s
200 Freestyle LCM 2:49.43
Front half 80.47s · back half 88.96s
200 Backstroke LCM 3:42.40
Front half 108.44s · back half 113.96s
100 Breaststroke LCM 1:39.85
Front half 46.89s · back half 52.96s
200 Breaststroke LCM 3:48.00 RT 0.76s
Front half 109.09s · back half 118.91s
200 Individual Medley LCM 3:32.11 RT 0.94s
Front half 103.90s · back half 108.21s
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.