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Sailor · 2017–2026

Jostein Aker

t nsberg seilforening HandicapJ/7049er

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Events
44

330 races · 61 race wins

Win rate
14%

14% win rate · 6 of 44

Podium rate
34%

15 top-three finishes

Typically beats
63%

of boats faced (90%: 62%–65%, 1,817 boats)

Best class ranking
#125

Helm in J/70 · rating 360

Longest win streak
5

race wins in a row

Most successful partnership
Henrik Vislie

2 wins · 2 podiums in 3 events together

Best trio
Andreas Myhrvold & Jan Enok Arnesen

1 wins · 1 podiums in 3 events, all three aboard

Biggest lift
Henrik Vislie

+24 points of fleet beaten when sailing together

Longest-running crew
Jacob Undrum

Jun 2017 – Jun 2026 · 12 events

Nemesis
Tomas Mathisen

27–69 head to head in 98 races

Rival
Anders Hylen Klippenberg

45–33 in 80 races

Best day
2 Aug 2024

4-DNF-4-1-DNF-DNF-1-1-DNF-4-1-1 · RS League Sailing · about 1 in 1,516 by chance

Signature result
1st of 51

Skagen Offshore Race 2026 · Handicap · 13 May 2026

Partnerships · 60+ sailors

Most successful partnership: Henrik Vislie — 2 wins · 2 podiums in 3 events together
  • Jacob Undrum · 29er, Dunlett, Fifty Fifty, FiftyFifty · 49er, Handicap, J/70 12events 1 wins together · 4 podiums · 8% win rate · 10 of 106 races won Beat 62% of the fleet together(−8 vs. without) · best 1st · Jun 2017 – Jun 2026
  • Emil August Dagsberg · 49er, Dunlett, Jostein Frederick AKER, Tønsber Seilforening · J/70, J/70 Corinthian 5events 0 wins together · 0 podiums · 0% win rate · 6 of 50 races won Beat 72% of the fleet together(+4 vs. without) · best 4th · Sep 2021 – Jun 2024
  • Tomas Mathisen · Fifty Fifty, FiftyFifty, OsloMET · Handicap, J/70 4events 2 wins together · 2 podiums · 4 events · 6 of 16 races won Beat 89% of the fleet together(+23 vs. without) · best 1st · Oct 2024 – Jun 2026
  • Mathias Berthet · 29er, 49er, Mathias BERTHET · 49er, 49er NM og Nordisk, J/70 4events 0 wins together · 1 podiums · 4 events · 6 of 48 races won Beat 71% of the fleet together(+4 vs. without) · best 2nd · Oct 2018 – Oct 2021
  • Lillan Agerup · Fifty Fifty, FiftyFifty · Handicap 3events 1 wins together · 1 podiums · 3 events · 2 of 10 races won Beat 85% of the fleet together(+18 vs. without) · best 1st · Apr 2026 – Jun 2026
  • Sivert Foyn-andersen · Jostein Frederick AKER, Skyfri · J/70, RS-Elite 3events 0 wins together · 1 podiums · 3 events · 5 of 27 races won Beat 83% of the fleet together(+16 vs. without) · best 2nd · Aug 2020 – Sep 2022
  • Henrik Børresen · Fifty Fifty, FiftyFifty · Handicap 3events 1 wins together · 1 podiums · 3 events · 2 of 10 races won Beat 85% of the fleet together(+18 vs. without) · best 1st · Apr 2026 – Jun 2026
  • Kristoffer Rosmo · Hotshot · Handicap 3events 1 wins together · 1 podiums · 3 events · 0 of 10 races won Beat 78% of the fleet together(+11 vs. without) · best 1st · Aug 2022 – Jun 2024
  • Jan Enok Arnesen · Fifty Fifty, FiftyFifty · Handicap 3events 1 wins together · 1 podiums · 3 events · 2 of 10 races won Beat 85% of the fleet together(+18 vs. without) · best 1st · Apr 2026 – Jun 2026
  • Aron Heimonen · Hotshot · Handicap 3events 1 wins together · 1 podiums · 3 events · 0 of 10 races won Beat 78% of the fleet together(+11 vs. without) · best 1st · Aug 2022 – Jun 2024

Lift shows how much better this sailor finishes with that partner aboard.

Rating history

-2926555920182020202220242026Helm rating, all classesCrew rating, all classes

— Helm rating, all classes · - - Crew rating, all classes

Event history · 44

DateEventBoatClassRoleFinish
21 Aug 2026Norgesmesterskap ExpressThe Pub IIExpressCrew15th / 38
12 Jun 2026Færderseilasen 2026Fifty FiftyHandicapCrew22nd / 129
29 May 2026Oslofjorden Rundt 2026Fifty FiftyHandicapCrew1st / 13
13 May 2026Skagen Offshore Race 2026Fifty FiftyHandicapCrew1st / 51
29 Apr 2026Bundefjorden OnsdagsseilaserFiftyFiftyHandicapCrew14th / 45
8 Aug 2025Norgesmesterskap J/70DunlettJ/70Skipper2nd / 18
5 Oct 2024Studentmesterskap i seiling 2024OsloMETJ/70Skipper1st / 21
6 Sep 2024Norgesmesterskap Melges 24Rett Rundt HjørnetMelges 24Crew3rd / 17
24 Aug 2024Norgesmesterskap ORCi og IOD PrincessJostein Frederick AKERIOD PrincessSkipper1st / 18
2 Aug 2024RS League SailingAker SeilRS Elite League SailingSkipper1st / 15
3 Jul 2024Onsdagsregatta 2024Aker SeilEntypeSkipper29th / 31
27 Jun 2024Grundig Hankø Race Week 2024Tønsber SeilforeningJ/70Skipper5th / 14
14 Jun 2024Færderseilasen 2024HotshotHandicapCrew49th / 78
4 Jun 2024J70 Corinthian Worlds 2024DunlettJ/70 CorinthianSkipper71st / 109
9 Jun 2023Færderseilasen 2023HotshotHandicapCrew4th / 99
14 Oct 2022Mesternes MesterskapLANDSLAGETMesternes mesterskapCrew10th / 36
16 Sep 2022Norgesmesterskap J/70Jostein Frederick AKERJ/70Skipper5th / 24
8 Aug 2022ORCi European ChampionshipHotshotHandicapCrew1st / 28
15 Jun 2022Onsdagsregatta 2022Aker SeilEntypeSkipper3rd / 24
15 Oct 2021Mesternes Mester 202149erJ/70Crew6th / 34
24 Sep 2021Norgesmesterskap J/70Jostein Frederick AKERJ/70Skipper4th / 23
14 Sep 20212021 European ChampionshipMathias BERTHET49erCrew43rd / 61
27 Aug 2021Norgesmesterskap Finnjolle og 49er, Nordisk mesterskap 49erMathias BERTHET49er NM og NordiskCrew2nd / 9
11 Jun 2021Færderseilasen versjon 2021SpiritHandicapCrew29th / 74
28 Apr 2021Onsdagsregatta 2021Aker SeilRS-EliteSkipper9th / 13

Helm rating across all classes: 559 (±154), #1,363.Crew rating across all classes: 252 (±191), #10,734. Compiled from public results; not an official ranking.