Øystein Rongevær Slyngstadli
Men / born 2001
20
starts
647
top FINA
4
personal best events
PP Over The Years
2021: 1.9 / 2024: 20.1 / 2025: 42.3
50m Butterfly Progress
7 swims recordedAll disciplines| Date | Meet | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|---|
| 11 Jun 2021 | Bergen Swim Festival 2021 | 25,26 | 26,63 | 513 | 1.94 | 5.4 Rankings |
| 29 Oct 2021 | Nordsjøstevnet 2021 | 25,26 | 25,81 | 25 | 0.02 | 2.2 Rankings |
| 04 Jul 2024 | NM Langbane 2024 | 25,58 L | 25,57 | 579 | 25 | n/a Rankings |
| 14 Nov 2024 | NM Kortbane | 24,50 | 25,19 | 606 | 9.58 | 2.8 Rankings |
| 03 Jul 2025 | NM Langbane 2025 | 25,40 L | 25,38 | 25 | 25 | n/a Rankings |
| 13 Nov 2025 | NM Kortbane | 25,18 | 24,65 | 647 | 89.07 | -2.1 Rankings |
| 13 Dec 2025 | Delfana Julecup | 24,57 | 25,84 | 561 | 2.57 | 5.2 Rankings |
Best Improvements
100m Butterfly: -2.2% at NM Kortbane
50m Butterfly: -2.1% at NM Kortbane
50m Freestyle: -0.1% at NM Kortbane
50m Freestyle: 0.4% at NM Kortbane
100m Butterfly: 0.7% at Nordsjøstevnet 2021
PBs
100m Butterfly: 55,92
100m Freestyle: 58,57
50m Butterfly: 24,65
50m Freestyle: 23,88
Top 3 FINA
647 / 50m Butterfly / 24,65
621 / 100m Butterfly / 55,92
606 / 50m Butterfly / 25,19
Delfana Julecup13 Dec 2025 / Slåtthaug
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 50m Butterfly National rankings | 24,57 | 25,84 | 561 | 2.57 | 5.2 |
NM Kortbane13 Nov 2025 / Holmen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 57,15 | 55,92 | 621 | 83.63 | -2.2 |
| 50m Butterfly National rankings | 25,18 | 24,65 | 647 | 89.07 | -2.1 |
| 50m Freestyle National rankings | 23,91 | 23,88 | 578 | 46.03 | -0.1 |
NM Langbane 202503 Jul 2025 / Rud
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 58,93 L | 1.00,56 | 488 | 25 | n/a |
| 50m Butterfly National rankings | 25,40 L | 25,38 | 25 | 25 | n/a |
| 50m Freestyle National rankings | 25,33 L | 24,79 | 517 | 25 | n/a |
NM Kortbane14 Nov 2024 / Bodø
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 55,77 | 57,15 | 581 | 10.14 | 2.5 |
| 50m Butterfly National rankings | 24,50 | 25,19 | 606 | 9.58 | 2.8 |
| 50m Freestyle National rankings | 23,81 | 23,91 | 576 | 25.62 | 0.4 |
NM Langbane 202404 Jul 2024 / Bergen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 59,34 L | 58,93 | 530 | 25 | n/a |
| 50m Butterfly National rankings | 25,58 L | 25,57 | 579 | 25 | n/a |
| 50m Freestyle National rankings | 25,35 L | 25,34 | 484 | 25 | n/a |
Nordsjøstevnet 202129 Oct 2021 / Stavanger
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 58,30 | 58,70 | 58 | 0.23 | 0.7 |
| 50m Butterfly National rankings | 25,26 | 25,81 | 25 | 0.02 | 2.2 |
| 50m Freestyle National rankings | 24,46 | 25,09 | 498 | 7.11 | 2.6 |
Bergen Swim Festival 202111 Jun 2021 / Bergen
| Discipline | Start | Result | FINA | PP | PB +/- |
|---|---|---|---|---|---|
| 100m Butterfly National rankings | 58,30 | 1.01,20 | 473 | 2.01 | 5 |
| 100m Freestyle National rankings | 54,97 | 58,57 | 448 | 0.86 | 6.5 |
| 50m Butterfly National rankings | 25,26 | 26,63 | 513 | 1.94 | 5.4 |
| 50m Freestyle National rankings | 24,46 | 26,01 | 447 | 0.95 | 6.3 |