swimSiobhan O'Sullivan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.28 | BB+1.79s to A·+7.49s to Sectionals | 2026-01-24 | 2026 NE GYT Northern NE Districtvenue |
| 100 Freestyle | SCY | 1:09.61 | BB+3.02s to A·+16.52s to Sectionals | 2026-02-08 | 2026 NE CRA Last Chance February Invitevenue |
| 200 Freestyle | SCY | 2:43.85 | B+6.76s to BB·+48.86s to Sectionals | 2025-11-15 | 2025 NECRA Nov Distance & Specialty Meet - covenue |
| 500 Freestyle | SCY | 6:53.16 | BB+23.97s to A·+104.37s to Sectionals | 2026-01-01 | 2026 ne oro tssa results |
| 1000 Freestyle | SCY | 15:37.92 | B+60.93s to BB·+298.93s to Sectionals | 2025-10-12 | 2025 NE CRA October Distance & Specialty Meetvenue |
| 25 Backstroke | SCY | 24.05 | 2013-02-28 | results | |
| 50 Backstroke | SCY | 37.12 | BB+2.33s to A·+10.83s to Futures | 2026-01-01 | 2026 ne strm spring splash meet results |
| 100 Backstroke | SCY | 1:27.21 | B+3.62s to BB·+27.92s to Sectionals | 2026-01-18 | 2026 NE SAC Bronze Championshipsvenue |
| 25 Breaststroke | SCY | 24.20 | 2026-02-19 | 2026 NE CRA SCY 11-14 Championship | |
| 50 Breaststroke | SCY | 43.81 | B+1.52s to BB·+14.02s to Futures | 2026-01-01 | 2026 ne strm spring splash meet results |
| 100 Breaststroke | SCY | 1:37.38 | B+4.49s to BB·+29.19s to Sectionals | 2025-12-06 | 2025 NE YNS Reid Sacco Prelims Finals Invitevenue |
| 200 Breaststroke | SCY | 3:30.82 | B+10.83s to BB·+61.43s to Sectionals | 2024-11-17 | 2024 NE ORO November Meetvenue |
| 25 Butterfly | SCY | 26.45 | 2026-02-19 | 2026 NE CRA SCY 11-14 Championship | |
| 50 Butterfly | SCY | 32.10 | A+0.11s to AA·+6.41s to Futures | 2025-01-01 | atla phx 2025 scy bronze results |
| 100 Butterfly | SCY | 1:39.69 | +8.90s to B·+41.20s to Sectionals | 2025-01-01 | 2025 ne strm bvp meet results |
| 200 Butterfly | SCY | 3:48.82 | +32.33s to B·+96.73s to Sectionals | 2025-11-14 | 2025 NECRA Nov Distance & Specialty Meet |
| 100 Individual Medley | SCY | 1:23.73 | B+1.44s to BB | 2026-01-17 | 2026 NE SAC Bronze Championshipsvenue |
| 200 Individual Medley | SCY | 3:15.32 | +2.53s to B·+64.63s to Sectionals | 2026-01-01 | 2026 ne oro tssa results |
| 400 Individual Medley | SCY | 6:50.45 | B+27.76s to BB·+132.06s to Sectionals | 2025-12-05 | 2025 NE YNS Reid Sacco Prelims Finals Invitevenue |
| 50 Freestyle | LCM | 35.11 | BB+0.32s to A·+6.82s to Sectionals | 2026-08-02 | 2026 NE CS New England Summer Championshipvenue |
| 100 Freestyle | LCM | 1:19.20 | BB+2.71s to A·+18.51s to Sectionals | 2026-07-31 | 2026 NE CS New England Summer Championshipvenue |
| 200 Freestyle | LCM | 2:58.15 | BB+12.76s to A·+47.26s to Sectionals | 2026-08-01 | 2026 NE CS New England Summer Championshipvenue |
| 400 Freestyle | LCM | 6:15.01 | BB+24.72s to A·+97.32s to Sectionals | 2026-05-15 | 2026 NE YNS May Specialty Meetvenue |
| 1500 Freestyle | LCM | 25:00.76 | BB+62.97s to A·+403.97s to Sectionals | 2026-04-24 | 2026 NE YNS LCM IMX IMR Meetvenue |
| 50 Backstroke | LCM | 44.42 | B+0.93s to BB·+13.53s to Futures | 2026-01-01 | 2026 ne yns may specialty meet results |
| 100 Backstroke | LCM | 1:38.38 | B+0.89s to BB·+30.49s to Sectionals | 2026-07-31 | 2026 NE CS New England Summer Championshipvenue |
| 200 Backstroke | LCM | 3:27.64 | B+2.85s to BB·+61.45s to Sectionals | 2026-06-28 | 2026 NE YNS June Prelims Finals Meetvenue |
| 50 Breaststroke | LCM | 48.23 | BB+3.34s to A·+13.44s to Futures | 2026-01-01 | 2026 ne yns may specialty meet results |
| 100 Breaststroke | LCM | 1:47.66 | B+0.37s to BB·+29.77s to Sectionals | 2026-01-01 | 2026 ne yns may specialty meet results |
| 200 Breaststroke | LCM | 3:55.28 | B+4.69s to BB·+65.89s to Sectionals | 2026-04-26 | 2026 NE YNS LCM IMX IMR Meetvenue |
| 50 Butterfly | LCM | 43.81 | +0.22s to B·+14.32s to Futures | 2026-01-01 | 2026 ne yns may specialty meet results |
| 100 Butterfly | LCM | 1:55.94 | +12.55s to B·+49.65s to Sectionals | 2025-06-21 | 2025 NE KCY A Beat the Heat Meetvenue |
| 200 Butterfly | LCM | 4:21.92 | +35.03s to B·+112.83s to Sectionals | 2026-04-26 | 2026 NE YNS LCM IMX IMR Meetvenue |
| 200 Individual Medley | LCM | 3:32.66 | B+7.77s to BB·+64.27s to Sectionals | 2026-06-27 | 2026 NE YNS June Prelims Finals Meetvenue |
| 400 Individual Medley | LCM | 7:43.20 | B+21.21s to BB·+142.71s to Sectionals | 2026-04-26 | 2026 NE YNS LCM IMX IMR Meetvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.46 | flat | 200 Free Relay | 2026-01-24 | 2026 NE GYT Northern NE District |
| 50 Freestyle | SCY | 32.89 | flying | 200 Medley Relay (leg 4) | 2026-01-17 | 2026 NE SAC Bronze Championships |
| 50 Freestyle | SCY | 27.64 | flying | 200 Free Relay (leg 4) | 2025-03-16 | 2025 NE STRM NEW ENGLAND YMCA CHAMPIONSHIPS |
| 50 Backstroke | SCY | 41.77 | flat | 200 Medley Relay | 2025-01-19 | 2025 NE Bronze Champs UNH |
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 11-12 · LCM
1966 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:15.01 | 485 |
| 100 BK LCM | 1:38.38 | 406 |
| 100 BR LCM | 1:47.66 | 438 |
| 100 FL LCM | 1:55.94 | 227 |
| 200 IM LCM | 3:32.66 | 410 |
IMR 11-12 · SCY
2403 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:43.85 | 411 |
| 50 BK SCY | 37.12 | 481 |
| 50 BR SCY | 43.81 | 426 |
| 50 FL SCY | 32.10 | 641 |
| 100 IM SCY | 1:23.73 | 444 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:09.61
Front half 33.08s · back half 36.53s
200 Freestyle SCY 2:43.85
Front half 79.58s · back half 84.27s
500 Freestyle SCY 6:53.16 split/total mismatch
1000 Freestyle SCY 15:37.92
100 Backstroke SCY 1:27.21
Front half 43.00s · back half 44.21s
100 Breaststroke SCY 1:37.38
Front half 46.63s · back half 50.75s
200 Breaststroke SCY 3:30.82
Front half 103.06s · back half 107.76s
200 Butterfly SCY 3:48.82 split/total mismatch
100 Individual Medley SCY 1:23.73
Front half 39.68s · back half 44.05s
200 Individual Medley SCY 3:15.32 split/total mismatch
400 Individual Medley SCY 6:50.45
Front half 209.78s · back half 200.67s
400 Freestyle LCM 6:15.01
1500 Freestyle LCM 25:00.76
Front half 744.16s · back half 756.60s
200 Backstroke LCM 3:27.64
100 Breaststroke LCM 1:47.66 split/total mismatch
Front half 51.48s · back half 56.18s
200 Breaststroke LCM 3:55.28
Front half 111.98s · back half 123.30s
200 Butterfly LCM 4:21.92
Front half 118.98s · back half 142.94s
200 Individual Medley LCM 3:32.66
Front half 104.41s · back half 108.25s
400 Individual Medley LCM 7:43.20
Front half 236.48s · back half 226.72s
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.