Miriam O'Brien
Women / born 2010
61
starts
312
top FINA
15
personal best events
PP Over The Years
2024: 6.2 / 2025: 13.3 / 2026: 12.7
100m Butterfly Progress
7 swims recordedAll disciplines| Date | Meet | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|---|
| 26 Apr 2024 | Marienlyst open | 2.29,14 | 2.11,62 | 64 | 1.94 | -11.7 Rankings |
| 14 Mar 2025 | Zeekit LÅMØ Sør | 1.47,72 | 1.38,37 | 153 | 10.18 | -8.7 Rankings |
| 22 Nov 2025 | Fjordsvøm | 1.36,50 | 1.33,36 | 179 | 8.41 | -3.3 Rankings |
| 11 Jan 2026 | Nyttårsstevne 2026 | 1.33,36 | 1.31,61 | 190 | 7.39 | -1.9 Rankings |
| 14 Mar 2026 | Sparebank 1 LÅMØ-innspurten | 1.31,61 | 1.29,10 | 207 | 10.18 | -2.7 Rankings |
| 10 Apr 2026 | Zeekit LÅMØ Sør 2026 | 1.29,10 | DISK | 0 | 0 | n/a Rankings |
| 01 May 2026 | Marienlyst Open | 1.29,10 | 1.29,10 | 207 | 5.76 | 0 Rankings |
Best Improvements
100m Backstroke: -18.2% at Aquarama Open
50m Backstroke: -12.3% at Aquarama Open
100m Butterfly: -11.7% at Marienlyst open
100m Butterfly: -8.7% at Zeekit LÅMØ Sør
50m Backstroke: -8.5% at Vikingsvøm 2026
PBs
100m Backstroke: 1.22,84
100m Butterfly: 1.29,10
100m Freestyle: 1.15,00
100m Medley: 1.23,51
1500m Freestyle: 24.31,10
200m Backstroke: 3.02,31
200m Breaststroke: 3.30,34
200m Butterfly: 3.33,35
200m Freestyle: 2.49,09
200m Medley: 3.09,77
400m Freestyle: 5.48,85
50m Backstroke: 37,16
50m Breaststroke: 45,34
50m Butterfly: 37,20
50m Freestyle: 33,77
Top 3 FINA
312 / 50m Backstroke / 37,16
308 / 50m Freestyle / 33,77
300 / 100m Freestyle / 1.15,00
Marienlyst Open01 May 2026 / Drammen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.29,10 | 1.29,10 | 207 | 5.76 | 0 |
| 100m Freestyle National rankings | 1.19,00 | 1.19,00 | 257 | 8.88 | 0 |
| 200m Backstroke National rankings | 3.02,31 | 3.02,31 | 271 | 9.88 | 0 |
| 200m Breaststroke National rankings | 3.30,34 | 3.30,34 | 249 | 8.34 | 0 |
| 200m Medley National rankings | 3.09,77 | 3.09,77 | 263 | 9.3 | 0 |
| 400m Freestyle National rankings | 6.25,35 | 6.25,35 | 213 | 6.1 | 0 |
| 50m Backstroke National rankings | 42,91 | 42,91 | 203 | 5.54 | 0 |
SaS Open25 Apr 2026 / Sandefjord
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 1.28,00 | 1.22,84 | 277 | 27.79 | -5.9 |
| 100m Freestyle National rankings | 1.16,02 | 1.15,00 | 300 | 16.29 | -1.3 |
| 100m Medley National rankings | 1.28,14 | 1.23,51 | 287 | 28.12 | -5.3 |
| 50m Backstroke National rankings | 39,27 | 37,16 | 312 | 33.58 | -5.4 |
| 50m Freestyle National rankings | 34,50 | 33,77 | 308 | 20.19 | -2.1 |
Zeekit LÅMØ Sør 202610 Apr 2026 / Horten
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.29,10 | DISK | 0 | 0 | n/a |
| 200m Backstroke National rankings | 3.12,52 | 3.02,31 | 271 | 25.07 | -5.3 |
| 200m Breaststroke National rankings | 3.30,34 | 3.30,91 | 247 | 4.91 | 0.3 |
| 200m Medley National rankings | 3.09,77 | 3.10,97 | 258 | 4.72 | 0.6 |
| 400m Freestyle National rankings | 5.48,85 | 5.58,03 | 265 | 2.01 | 2.6 |
Sparebank 1 LÅMØ-innspurten14 Mar 2026 / Porsgrunn
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.31,61 | 1.29,10 | 207 | 10.18 | -2.7 |
| 200m Backstroke National rankings | 3.12,52 | DISK | 0 | 0 | n/a |
| 200m Breaststroke National rankings | 3.35,67 | 3.30,34 | 249 | 14.21 | -2.5 |
| 400m Freestyle National rankings | 5.48,85 | 5.53,36 | 276 | 3.97 | 1.3 |
Vikingsvøm 202607 Feb 2026 / Horten
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 200m Medley National rankings | 3.15,86 | 3.09,77 | 263 | 17.58 | -3.1 |
| 400m Freestyle National rankings | 5.54,95 | 5.48,85 | 287 | 16.2 | -1.7 |
| 50m Backstroke National rankings | 42,91 | 39,27 | 265 | 30.27 | -8.5 |
Nyttårsstevne 202611 Jan 2026 / Hokksund
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.33,36 | 1.31,61 | 190 | 7.39 | -1.9 |
Bærum Open05 Dec 2025 / Nadderud
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 200m Breaststroke National rankings | 3.41,71 | 3.37,56 | 225 | 10.36 | -1.9 |
| 200m Butterfly National rankings | 3.41,00 | 3.33,35 | 174 | 8.2 | -3.5 |
| 50m Breaststroke National rankings | 46,96 | 45,34 | 244 | 15.87 | -3.4 |
| 50m Butterfly National rankings | 37,75 | 37,20 | 266 | 13.36 | -1.5 |
Fjordsvøm22 Nov 2025 / Sandefjord
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.36,50 | 1.33,36 | 179 | 8.41 | -3.3 |
| 200m Breaststroke National rankings | 3.41,71 | 3.35,67 | 231 | 12.67 | -2.7 |
| 50m Butterfly National rankings | 37,75 | 38,39 | 242 | 2.55 | 1.7 |
| 50m Freestyle National rankings | 34,39 | 34,50 | 289 | 6.73 | 0.3 |
Høstduppen09 Nov 2025 / Fredrikstad
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Medley National rankings | 1.30,62 | 1.28,14 | 244 | 14.14 | -2.7 |
| 50m Butterfly National rankings | 38,94 | 37,75 | 255 | 16.53 | -3.1 |
| 50m Freestyle National rankings | 34,39 | 34,63 | 286 | 5.56 | 0.7 |
Slottsfjell Open01 Nov 2025 / Tønsberg
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 200m Backstroke National rankings | 3.13,74 | 3.12,52 | 230 | 8.2 | -0.6 |
| 200m Freestyle National rankings | 2.51,06 | 2.49,09 | 277 | 13.59 | -1.2 |
| 50m Butterfly National rankings | 38,94 | 38,30 | 244 | 11.47 | -1.6 |
| 50m Freestyle National rankings | 34,39 | 35,30 | 270 | 2.09 | 2.6 |
Aquarama Open30 May 2025 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Freestyle National rankings | 1.16,02 K | 1.19,00 | 257 | 25 | n/a |
| 1500m Freestyle National rankings | 24.31,10 | 235 | 25 | n/a | |
| 50m Backstroke National rankings | 42,44 K | 42,91 | 203 | 25 | n/a |
| 50m Breaststroke National rankings | 51,04 K | 47,32 | 215 | 25 | n/a |
| 50m Butterfly National rankings | 39,57 K | 41,18 | 196 | 25 | n/a |
| 50m Freestyle National rankings | 34,39 K | 36,13 | 252 | 25 | n/a |
Zeekit LÅMØ Sør14 Mar 2025 / Mandal
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.47,72 | 1.38,37 | 153 | 10.18 | -8.7 |
| 200m Backstroke National rankings | 3.21,43 | 3.21,90 | 199 | 3.33 | 0.2 |
| 200m Breaststroke National rankings | 3.50,71 | 3.46,65 | 199 | 7.95 | -1.8 |
| 200m Medley National rankings | 3.28,94 | 3.22,11 | 217 | 12.36 | -3.3 |
| 400m Freestyle National rankings | 6.12,84 | 6.05,13 | 250 | 13.3 | -2.1 |
Aquarama Open07 Jun 2024 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 2.01,53 | 1.39,40 | 160 | 12.72 | -18.2 |
| 100m Freestyle National rankings | 1.33,34 | 1.28,88 | 180 | 10.46 | -4.8 |
| 200m Breaststroke National rankings | 4.15,81 | 4.14,04 | 141 | 3.15 | -0.7 |
| 50m Backstroke National rankings | 53,02 | 46,48 | 159 | 12.1 | -12.3 |
| 50m Butterfly National rankings | 54,03 | 53,93 | 87 | 1.07 | -0.2 |
| 50m Freestyle National rankings | 42,66 | 40,28 | 182 | 11.66 | -5.6 |
Marienlyst open26 Apr 2024 / Drammen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 2.29,14 | 2.11,62 | 64 | 1.94 | -11.7 |
| 200m Freestyle National rankings | 3.23,04 | 3.19,78 | 168 | 5.44 | -1.6 |
| 400m Freestyle National rankings | 7.07,26 | 7.04,75 | 159 | 3.92 | -0.6 |
| 50m Backstroke National rankings | 53,02 | DISK | 0 | 0 | n/a |