Jørgen Losnedahl Jantzen
Men / born 2010
46
starts
495
top FINA
13
personal best events
PP Over The Years
2024: 14.3 / 2025: 28.2 / 2026: 23.7
100m Medley Progress
1 swim recordedAll disciplines| Date | Meet | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|---|
| 13 Dec 2025 | Delfana Julecup | 1.07,94 | 1.09,37 | 358 | 4.64 | 2.1 Rankings |
Best Improvements
200m Medley: -10.1% at Trøndersvøm
400m Freestyle: -7% at Trøndersvøm
200m Backstroke: -6.7% at Trøndersvøm
100m Butterfly: -5.4% at Trøndersvøm
200m Medley: -4.3% at Zeekit LÅMØ Vest
PBs
100m Breaststroke: 1.14,63
100m Butterfly: 1.08,23
100m Freestyle: 56,68
100m Medley: 1.09,37
200m Backstroke: 2.28,84
200m Breaststroke: 2.39,97
200m Medley: 2.25,33
400m Freestyle: 4.30,15
400m Medley: 5.33,20
50m Backstroke: 34,96
50m Breaststroke: 31,92
50m Butterfly: 30,65
50m Freestyle: 25,18
Top 3 FINA
495 / 100m Freestyle / 56,68
493 / 50m Freestyle / 25,18
484 / 400m Freestyle / 4.30,15
Zeekit LÅMØ Vest 1 - Hordaland + Sogn og Fjordane 202610 Apr 2026 / Bergen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.10,58 | 1.08,23 | 341 | 30.52 | -3.3 |
| 200m Backstroke National rankings | 2.32,73 | 2.28,84 | 357 | 29.21 | -2.5 |
| 200m Breaststroke National rankings | 2.45,09 | 2.39,97 | 423 | 45.48 | -3.1 |
| 200m Medley National rankings | 2.27,08 | 2.25,33 | 420 | 31.25 | -1.2 |
| 400m Freestyle National rankings | 4.39,74 | 4.30,15 | 484 | 62.46 | -3.4 |
Arna Grand Prix14 Mar 2026 / Slåtthaug
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.10,58 | 1.10,99 | 303 | 6.51 | 0.6 |
| 200m Medley National rankings | 2.30,61 | 2.27,08 | 405 | 36.24 | -2.3 |
| 400m Freestyle National rankings | 4.41,58 | 4.39,74 | 436 | 30.15 | -0.7 |
| 50m Freestyle National rankings | 25,18 | 25,70 | 464 | 7.8 | 2.1 |
Vinterskvetten14 Feb 2026 / Åstveit
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Freestyle National rankings | 56,36 | 57,25 | 480 | 10.5 | 1.6 |
| 50m Breaststroke National rankings | 31,72 | 33,01 | 431 | 2.59 | 4.1 |
BSC Delfina Open31 Jan 2026 / Stemmemyren
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.12,53 | 1.10,58 | 308 | 22.53 | -2.7 |
| 200m Backstroke National rankings | 2.35,75 | 2.32,73 | 330 | 22.29 | -1.9 |
| 200m Breaststroke National rankings | 2.45,70 | 2.45,09 | 385 | 21.93 | -0.4 |
| 400m Freestyle National rankings | 4.41,58 | 4.44,21 | 416 | 10.78 | 0.9 |
| 50m Freestyle National rankings | 25,18 | 25,65 | 466 | 8.63 | 1.9 |
Delfana Julecup13 Dec 2025 / Slåtthaug
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Breaststroke National rankings | 1.13,52 | 1.14,63 | 406 | 7.86 | 1.5 |
| 100m Medley National rankings | 1.07,94 | 1.09,37 | 358 | 4.64 | 2.1 |
| 400m Medley National rankings | 5.33,20 | 349 | 25 | n/a | |
| 50m Butterfly National rankings | 30,21 | 30,65 | 336 | 5.38 | 1.5 |
NM Ungdom17 Oct 2025 / Bergen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Freestyle National rankings | 56,36 | 56,68 | 495 | 17.38 | 0.6 |
| 50m Breaststroke National rankings | 31,97 | 31,92 | 477 | 32.11 | -0.2 |
| 50m Freestyle National rankings | 25,39 | 25,18 | 493 | 39.43 | -0.8 |
Zeekit LÅMØ Vest14 Mar 2025 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.13,37 | 1.12,53 | 284 | 13.98 | -1.1 |
| 200m Backstroke National rankings | 2.36,25 | 2.35,75 | 311 | 13.98 | -0.3 |
| 200m Breaststroke National rankings | 2.52,32 | 2.45,70 | 381 | 41.1 | -3.8 |
| 200m Medley National rankings | 2.37,31 | 2.30,61 | 377 | 43.11 | -4.3 |
| 400m Freestyle National rankings | 4.47,26 | 4.41,58 | 428 | 38.23 | -2 |
Trøndersvøm17 Jan 2025 / Trondheim
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 1.17,58 | 1.13,37 | 274 | 25.9 | -5.4 |
| 100m Freestyle National rankings | 1.01,00 | 59,81 | 421 | 36.99 | -2 |
| 200m Backstroke National rankings | 2.53,87 | 2.42,21 | 276 | 29.5 | -6.7 |
| 200m Medley National rankings | 2.54,98 | 2.37,31 | 331 | 50.08 | -10.1 |
| 400m Freestyle National rankings | 5.09,99 | 4.48,44 | 398 | 62.68 | -7 |
| 50m Breaststroke National rankings | 34,41 | 34,07 | 392 | 26.06 | -1 |
| 50m Freestyle National rankings | 27,42 | 27,31 | 386 | 22.05 | -0.4 |
The North Sea Swim Meet25 Oct 2024 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Breaststroke National rankings | 1.17,19 | 1.18,04 | 355 | 7.19 | 1.1 |
| 100m Freestyle National rankings | 1.01,98 | 1.01,00 | 397 | 30.37 | -1.6 |
| 50m Backstroke National rankings | 33,42 | 34,96 | 252 | 0.69 | 4.6 |
| 50m Breaststroke National rankings | 34,59 | 34,78 | 369 | 10.08 | 0.5 |
| 50m Freestyle National rankings | 27,42 | 27,45 | 381 | 12.71 | 0.1 |
Marienlyst open26 Apr 2024 / Drammen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Breaststroke National rankings | 1.28,57 | 1.24,87 | 276 | 22.8 | -4.2 |
| 100m Freestyle National rankings | 1.07,42 | 1.05,45 | 321 | 25.33 | -2.9 |
| 200m Breaststroke National rankings | 3.06,35 | 3.06,88 | 265 | 5.66 | 0.3 |
| 400m Freestyle National rankings | 5.09,99 | 5.16,23 | 302 | 3.46 | 2 |
| 50m Breaststroke National rankings | 38,67 | 37,69 | 290 | 19.28 | -2.5 |
| 50m Freestyle National rankings | 30,36 | 29,67 | 301 | 20.02 | -2.3 |