William Nilsen Gottschalksen
Men / born 2008
49
starts
1599
top FINA
13
personal best events
PP Over The Years
2022: 3.6 / 2024: 16.8 / 2025: 20.3 / 2026: 15.4
200m Medley Progress
3 swims recordedAll disciplinesBest Improvements
100m Backstroke: -18.5% at Speedo Open 2026
200m Butterfly: -16.7% at Aquarama Open
50m Backstroke: -15.2% at SSK Open 2025
200m Butterfly: -12.9% at SSK Open 2025
400m Freestyle: -7.6% at Zeekit LÅMØ Vest
PBs
100m Backstroke: 1.11,35
100m Butterfly: 1.02,80
100m Freestyle: 1.00,58
100m Medley: 1.06,39
200m Breaststroke: 3.15,27
200m Butterfly: 1.31,37
200m Freestyle: 2.18,64
200m Medley: 2.40,09
400m Freestyle: 4.48,54
400m Medley: 6.07,65
50m Backstroke: 30,92
50m Butterfly: 27,97
50m Freestyle: 26,79
Top 3 FINA
1599 / 200m Butterfly / 1.31,37
470 / 50m Butterfly / 27,97
449 / 50m Butterfly / 28,39
Sandnessprinten25 Apr 2026 / Sandnes
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.03,38 | DISK | 0 | 0 | n/a |
| 50m Butterfly National rankings | 28,76 | 28,80 | 405 | 14.36 | 0.1 |
| 50m Freestyle National rankings | 27,59 | 27,14 | 394 | 29.91 | -1.6 |
NLS open14 Mar 2026 / Bryne
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.04,30 | 1.03,38 | 426 | 33.55 | -1.4 |
Speedo Open 202606 Feb 2026 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 1.27,59 | 1.11,35 | 310 | 47.78 | -18.5 |
| 100m Butterfly National rankings | 1.04,75 | 1.04,30 | 408 | 26.4 | -0.7 |
| 50m Backstroke National rankings | 30,92 | 32,63 | 311 | 0.68 | 5.5 |
| 50m Butterfly National rankings | 28,77 | 28,76 | 407 | 22.27 | 0 |
Skagerrak Swim23 Jan 2026 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.02,80 | 1.04,75 | 400 | 3.62 | 3.1 |
| 100m Freestyle National rankings | 1.00,58 | 1.01,74 | 383 | 5.83 | 1.9 |
| 200m Freestyle National rankings | 2.18,64 | 2.19,74 | 351 | 8.01 | 0.8 |
| 50m Butterfly National rankings | 28,39 | 29,44 | 379 | 2.43 | 3.7 |
| 50m Freestyle National rankings | 27,59 | 28,05 | 357 | 5.55 | 1.7 |
Sandnes Open12 Dec 2025 / Sandnes
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 200m Butterfly National rankings | 2.20,98 | 2.26,75 | 386 | 2.08 | 4.1 |
Julesprinten30 Nov 2025 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 50m Backstroke National rankings | 30,92 | 32,91 | 303 | 0.41 | 6.4 |
| 50m Butterfly National rankings | 28,39 | 29,26 | 386 | 3.37 | 3.1 |
| 50m Freestyle National rankings | 27,53 | 27,90 | 362 | 6.84 | 1.3 |
SSK Open 202507 Feb 2025 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Medley National rankings | 1.09,11 | 1.06,39 | 408 | 47.81 | -3.9 |
| 200m Butterfly National rankings | 2.41,90 | 2.20,98 | 435 | 91.25 | -12.9 |
| 400m Medley National rankings | 6.07,65 | 260 | 25 | n/a | |
| 50m Backstroke National rankings | 36,46 | 30,92 | 365 | 65.49 | -15.2 |
Skagerrak Swim24 Jan 2025 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.02,48 | 1.02,80 | 440 | 14.33 | 0.5 |
| 100m Freestyle National rankings | 59,12 | 1.00,58 | 405 | 4.93 | 2.5 |
| 200m Freestyle National rankings | 2.18,24 | 2.18,64 | 368 | 10.91 | 0.3 |
| 200m Medley National rankings | 2.30,95 | 2.40,09 | 314 | 0.52 | 6.1 |
| 50m Butterfly National rankings | 27,97 | 28,39 | 449 | 9.61 | 1.5 |
| 50m Freestyle National rankings | 26,31 | 27,61 | 389 | 1.43 | 4.9 |
The North Sea Swim Meet25 Oct 2024 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 50m Butterfly National rankings | 28,81 | 27,97 | 470 | 54.3 | -2.9 |
| 50m Freestyle National rankings | 26,31 | 26,79 | 426 | 7.55 | 1.8 |
Aquarama Open07 Jun 2024 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.06,11 | 1.06,58 | 367 | 9.15 | 0.7 |
| 200m Butterfly National rankings | 3.14,30 | 2.41,90 | 287 | 40.76 | -16.7 |
| 50m Butterfly National rankings | 29,09 | 29,10 | 393 | 20.77 | 0 |
| 50m Freestyle National rankings | 28,09 | 28,20 | 351 | 9.52 | 0.4 |
Zeekit LÅMØ Vest15 Mar 2024 / Førde
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 200m Backstroke National rankings | 2.43,80 | DISK | 0 | 0 | n/a |
| 200m Breaststroke National rankings | 3.12,51 | 3.15,27 | 233 | 2.71 | 1.4 |
| 200m Butterfly National rankings | 1.09,22 | DISK | 0 | 0 | n/a |
| 200m Medley National rankings | 2.47,49 | 2.40,80 | 316 | 29.09 | -4 |
| 400m Freestyle National rankings | 5.12,21 | 4.48,54 | 398 | 65.14 | -7.6 |
Skagerrak Swim26 Jan 2024 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.09,22 | 1.09,58 | 322 | 7.68 | 0.5 |
| 100m Freestyle National rankings | 1.03,19 | 1.05,00 | 328 | 2.68 | 2.9 |
| 400m Freestyle National rankings | 5.12,21 | 5.12,29 | 313 | 13.17 | 0 |
| 50m Backstroke National rankings | 36,46 | 39,62 | 173 | 0.04 | 8.7 |
| 50m Butterfly National rankings | 30,13 | 30,44 | 364 | 7.9 | 1 |
| 50m Freestyle National rankings | 28,87 | 28,88 | 340 | 15.54 | 0 |
Zeekit LÅMØ Vest 202218 Mar 2022 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 200m Backstroke National rankings | 3.23,09 | DISK | 0 | 0 | n/a |
| 200m Breaststroke National rankings | 4.13,20 | 4.02,00 | 122 | 4.57 | -4.4 |
| 200m Butterfly National rankings | 1.25,08 | 1.31,37 | 1599 | 7.01 | 7.4 |
| 200m Medley National rankings | 3.19,12 | 3.16,60 | 169 | 5.17 | -1.3 |
| 400m Freestyle National rankings | 6.03,37 | 6.11,10 | 187 | 1.27 | 2.1 |