Kaja Holt Belck-Olsen
Women / born 2013
67
starts
295
top FINA
15
personal best events
PP Over The Years
2024: 2.4 / 2025: 8.5 / 2026: 3.3
100m Backstroke Progress
4 swims recordedAll disciplinesBest Improvements
100m Butterfly: -12.9% at Speed Open
200m Breaststroke: -10.7% at Speed Open
200m Medley: -10.5% at Speed Open
50m Freestyle: -9.5% at Speed Open
100m Medley: -9.1% at Strømmen Sparebank Cup
PBs
100m Backstroke: 1.30,72
100m Breaststroke: 1.45,91
100m Butterfly: 1.51,65
100m Freestyle: 1.20,81
100m Medley: 1.34,87
1500m Freestyle: 23.31,75
200m Backstroke: 3.09,71
200m Breaststroke: 3.39,24
200m Freestyle: 3.03,89
200m Medley: 3.23,13
400m Freestyle: 5.45,86
50m Breaststroke: 48,64
50m Butterfly: 47,67
50m Freestyle: 34,67
800m Freestyle: 12.32,11
Top 3 FINA
295 / 400m Freestyle / 5.45,86
285 / 50m Freestyle / 34,67
280 / 50m Freestyle / 34,87
Marienlyst Open01 May 2026 / Drammen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Breaststroke National rankings | 1.57,87 | 1.57,87 | 148 | 2.95 | 0 |
| 200m Freestyle National rankings | 3.20,47 | 3.20,47 | 166 | 3.71 | 0 |
| 400m Freestyle National rankings | 6.48,49 | 6.48,49 | 179 | 4.31 | 0 |
| 50m Breaststroke National rankings | 48,89 | 48,89 | 195 | 5.11 | 0 |
| 50m Butterfly National rankings | 58,52 | 58,52 | 68 | 0.62 | 0 |
| 50m Freestyle National rankings | 36,50 | 36,50 | 244 | 8.01 | 0 |
| 800m Freestyle National rankings | 12.32,11 | 12.32,11 | 255 | 8.74 | 0 |
GIFFI Vår Open 202614 Mar 2026 / Hagan
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.51,65 | 1.53,31 | 100 | 0.48 | 1.5 |
| 200m Backstroke National rankings | 3.09,71 | 3.15,07 | 221 | 1.27 | 2.8 |
| 200m Breaststroke National rankings | 3.39,24 | 3.43,21 | 209 | 1.82 | 1.8 |
| 200m Medley National rankings | 3.23,13 | 3.23,82 | 212 | 3.62 | 0.3 |
| 400m Freestyle National rankings | 5.45,86 | 5.54,85 | 273 | 2.14 | 2.6 |
LÅMØ Kvaliken07 Mar 2026 / Lørenskog
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.54,25 | 1.52,21 | 103 | 2.13 | -1.8 |
| 200m Backstroke National rankings | 3.09,71 | 3.12,55 | 230 | 2.52 | 1.5 |
| 200m Breaststroke National rankings | 3.45,35 | 3.46,63 | 199 | 2.81 | 0.6 |
| 200m Medley National rankings | 3.23,13 | 3.26,86 | 203 | 1.71 | 1.8 |
| 400m Freestyle National rankings | 5.45,86 | 5.56,22 | 270 | 1.73 | 3 |
Asker Open06 Feb 2026 / Holmen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.54,25 | 1.51,65 | 105 | 2.44 | -2.3 |
| 200m Backstroke National rankings | 3.09,71 | 3.16,89 | 215 | 0.75 | 3.8 |
| 200m Breaststroke National rankings | 3.45,35 | 3.39,24 | 220 | 11.5 | -2.7 |
| 200m Medley National rankings | 3.23,13 | DISK | 0 | 0 | n/a |
| 400m Freestyle National rankings | 5.45,86 | 5.59,35 | 263 | 1.06 | 3.9 |
Skagerrak Swim23 Jan 2026 / Kristiansand
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Freestyle National rankings | 1.20,90 | 1.20,81 | 240 | 7.94 | -0.1 |
| 50m Breaststroke National rankings | 48,64 | 48,89 | 195 | 2.81 | 0.5 |
Bærum Open05 Dec 2025 / Nadderud
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 1.30,72 | 1.31,31 | 207 | 2.91 | 0.7 |
| 100m Breaststroke National rankings | 1.47,26 | 1.45,91 | 204 | 7.53 | -1.3 |
| 200m Breaststroke National rankings | 3.47,37 | 3.45,35 | 203 | 6.84 | -0.9 |
| 200m Medley National rankings | 3.23,20 | 3.23,13 | 214 | 6.16 | 0 |
| 50m Butterfly National rankings | 47,46 | 47,67 | 126 | 1.23 | 0.4 |
| 50m Freestyle National rankings | 34,67 | 35,06 | 276 | 4.34 | 1.1 |
Strømmen Sparebank Cup23 Nov 2025 / Skjetten
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Medley National rankings | 1.44,33 | 1.34,87 | 196 | 16.98 | -9.1 |
| 200m Backstroke National rankings | 3.09,71 | 3.19,45 | 207 | 0.37 | 5.1 |
| 400m Freestyle National rankings | 5.56,34 | 5.45,86 | 295 | 21.39 | -2.9 |
Odal Sparebank Open Høst08 Nov 2025 / Jessheim
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 1.39,27 | 1.30,72 | 211 | 19.28 | -8.6 |
| 1500m Freestyle National rankings | 23.31,75 | 266 | 25 | n/a | |
| 200m Backstroke National rankings | 3.23,06 | 3.09,71 | 240 | 22.13 | -6.6 |
| 400m Freestyle National rankings | 6.00,35 | 5.56,34 | 269 | 12.55 | -1.1 |
| 50m Breaststroke National rankings | 49,88 | 48,64 | 198 | 8.99 | -2.5 |
| 50m Freestyle National rankings | 34,67 | 34,87 | 280 | 5.56 | 0.6 |
Speed Open25 Oct 2025 / Manglerud
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 2.11,23 | 1.54,25 | 98 | 4.63 | -12.9 |
| 200m Breaststroke National rankings | 4.14,57 | 3.47,37 | 197 | 18.02 | -10.7 |
| 200m Medley National rankings | 3.46,92 | 3.23,20 | 214 | 21.16 | -10.5 |
| 400m Freestyle National rankings | 6.24,91 | 6.00,35 | 260 | 25.57 | -6.4 |
| 50m Freestyle National rankings | 38,31 | 34,67 | 285 | 36.44 | -9.5 |
Mjøssvøm13 Jun 2025 / Hamar
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 1.39,27 | 1.41,34 | 151 | 0.83 | 2.1 |
| 100m Breaststroke National rankings | 2.00,72 | 1.57,87 | 148 | 4.93 | -2.4 |
| 100m Freestyle National rankings | 1.25,29 | 1.28,98 | 180 | 0.41 | 4.3 |
| 400m Freestyle National rankings | 6.24,91 | 6.48,49 | 179 | 0.17 | 6.1 |
| 50m Breaststroke National rankings | 56,29 | 56,14 | 129 | 2.41 | -0.3 |
| 50m Butterfly National rankings | 56,87 | 58,52 | 68 | 0.11 | 2.9 |
| 50m Freestyle National rankings | 38,31 | 38,43 | 209 | 3.52 | 0.3 |
Triton Open våren 202526 Apr 2025 / Skjetten
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Medley National rankings | 1.49,30 | 1.44,33 | 147 | 6.73 | -4.5 |
| 200m Freestyle National rankings | 3.05,83 | 3.03,89 | 215 | 7.84 | -1 |
| 50m Backstroke National rankings | 46,83 | DISK | 0 | 0 | n/a |
| 50m Breaststroke National rankings | 56,84 | 57,05 | 122 | 1.15 | 0.4 |
| 50m Butterfly National rankings | 56,87 | 1.00,17 | 62 | 0.02 | 5.8 |
| 50m Freestyle National rankings | 38,31 | 40,03 | 185 | 0.39 | 4.5 |
Zeekit LÅMØ Øst14 Mar 2025 / Lørenskog
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 2.23,39 | 2.11,23 | 64 | 1.77 | -8.5 |
| 200m Backstroke National rankings | 3.25,57 | 3.23,06 | 196 | 6.81 | -1.2 |
| 200m Breaststroke National rankings | 4.20,87 | 4.14,57 | 141 | 4.47 | -2.4 |
| 200m Medley National rankings | 3.54,38 | 3.46,92 | 153 | 6.05 | -3.2 |
| 400m Freestyle National rankings | 6.33,23 | 6.24,91 | 214 | 9.74 | -2.1 |
Zeekit LÅMØ Øst15 Mar 2024 / Manglerud
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Backstroke National rankings | 1.57,16 | 1.53,27 | 108 | 3.06 | -3.3 |
| 100m Breaststroke National rankings | 2.18,50 | 2.16,32 | 95 | 1.74 | -1.6 |
| 100m Medley National rankings | 2.01,96 | 1.59,87 | 97 | 1.85 | -1.7 |
| 200m Freestyle National rankings | 3.47,16 | 3.36,65 | 131 | 5.41 | -4.6 |
| 50m Butterfly National rankings | 1.00,43 | 1.01,46 | 59 | 0.15 | 1.7 |