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Sailor · 2020–2026

Sandra Sonneborn

l ndska segels llskapet J/706 Metre6mR

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Events
31

347 races · 53 race wins

Win rate
3%

3% win rate · 1 of 31

Podium rate
36%

11 top-three finishes

Typically beats
53%

of boats faced (range 49%–57%, 542 boats)

Best class ranking
#988

Crew in J/70 · rating 141

Longest win streak
3

race wins in a row

Most successful partnership
Hemming Hanses

1 wins · 3 podiums in 3 events together

Biggest lift
Hemming Hanses

+30 points of fleet beaten when sailing together

Longest-running crew
Catharina Sandman

Jun 2023 – Aug 2026 · 9 events

Nemesis
Markus Rönnberg

32–72 head to head in 113 races

Rival
Henrik Lundberg

77–95 in 195 races

Best day
17 Apr 2021

5-5-1-3-1-1-3-1 · ÅSS Vårregatta

Signature result
1st of 15

HSS 133 years Baltic Classic Masters Champagne Regatta · 6 Metre · 21 Aug 2026

Partnerships · 47 sailors

Most successful partnership: Hemming Hanses — 1 wins · 3 podiums in 3 events together
  • Catharina Sandman · Cecilia SANDMAN, ESF W, ESF W + Kungen, Lady Bee · 6 Metre, 6mR, 6mR Classic, Dragon 9events 1 wins together · 5 podiums · 11% win rate · 15 of 88 races won Beat 64% of the fleet together(+20 vs. without) · best 1st · Jun 2023 – Aug 2026
  • Cecilia Sandman · Cecilia SANDMAN, ESF W, Lady Bee, May Be VI · 6 Metre, 6mR, 6mR Classic, Dragon 8events 0 wins together · 4 podiums · 0% win rate · 13 of 76 races won Beat 59% of the fleet together(+12 vs. without) · best 2nd · Jun 2023 – Jun 2026
  • Tom Borenius · Braxén, Färjsundets Seglarförening Team 2, Team Borenius, Team Bruno · J/70 6events 0 wins together · 2 podiums · 0% win rate · 11 of 75 races won Beat 50% of the fleet together(+1 vs. without) · best 3rd · Apr 2021 – Jun 2023
  • Jasper Karlsson · Lag 1 Lundberg, May Be VI · 6 Metre, 6mR, 6mR Classic, Micko Karlsson Trophy 2025 5events 0 wins together · 3 podiums · 0% win rate · 5 of 34 races won Beat 62% of the fleet together(+15 vs. without) · best 3rd · Jul 2024 – Jul 2025
  • Emilia Winqvist · Cecilia SANDMAN, ESF W, ESF W + Kungen, Latroy · FM / SM 606, J/70, Mariehamnsregattan 2025 5events 0 wins together · 3 podiums · 0% win rate · 13 of 74 races won Beat 58% of the fleet together(+11 vs. without) · best 2nd · Jun 2023 – Jul 2025
  • Brage Jansson · Braxén, Lag 1 Blå, Team Bruno · J/70 4events 0 wins together · 1 podiums · 4 events · 7 of 41 races won Beat 61% of the fleet together(+14 vs. without) · best 3rd · Sep 2020 – Jun 2023
  • Emil Weyand · Färjsundets Seglarförening Team 2, Lady Bee, Lag 1 Blå, Lag Grön · Dragon, J/70 4events 0 wins together · 1 podiums · 4 events · 9 of 56 races won Beat 40% of the fleet together(−11 vs. without) · best 2nd · Sep 2020 – Jun 2026
  • Lucas Karlemo · Livia VÄRESMAA, Lucas KARLEMO, Solid Fun, SOLID FUN · J/70, J/70 Corinthian, J/70 Open Finnish Championships 4events 0 wins together · 1 podiums · 4 events · 4 of 38 races won Beat 67% of the fleet together(+20 vs. without) · best 2nd · May 2024 – Sep 2026
  • Victoria Backman · ÅSS Mixed Team, Färjsundets Seglarförening Team 2, Team Borenius, Tom BORENIUS · J/70 4events 0 wins together · 1 podiums · 4 events · 5 of 48 races won Beat 21% of the fleet together(−33 vs. without) · best 3rd · Apr 2021 – Jul 2021
  • Livia Väresmaa · Livia VÄRESMAA, Lucas KARLEMO, Solid Fun, SOLID FUN · J/70, J/70 Corinthian, J/70 Open Finnish Championships 4events 0 wins together · 1 podiums · 4 events · 4 of 38 races won Beat 67% of the fleet together(+20 vs. without) · best 2nd · May 2024 – Sep 2026

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

Rating history

-11852222202120222023202420252026Helm rating, all classesCrew rating, all classes

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

Event history · 31

DateEventBoatClassRoleFinish
4 Sep 2026Cascais 2026 J70 World ChampionshipSOLID FUNJ/70Crew54th / 100
21 Aug 2026HSS 133 years Baltic Classic Masters Champagne RegattaMay Be VI6 MetreCrew1st / 15
29 Jun 2026Dragon Europeans 2026Lady BeeDragonCrew39th / 62
15 May 2026Hoski SprintESF WomenJ/70Crew11th / 13
1 Aug 2025J/70 Open Finnish ChampionshipsSolid FunJ/70 Open Finnish ChampionshipsCrew2nd / 8
26 Jul 2025ESF Folkbåt och 606 FMLatroyFM / SM 606Skipper10th / 15
11 Jul 2025Mariehamnsregattan 2025ESF W + KungenMariehamnsregattan 2025Crew3rd / 14
5 Jul 2025Alfons Håkans Hangöregattan Hangon RegattaMay Be VI6mRCrew3rd / 11
27 Jun 20256mR, Dragon NationalsMay Be VI6mR ClassicCrew7th / 9
18 May 2025Kommodori Race Open J70 Sprint + Women´s QualificationESF WJ/70Crew3rd / 12
7 May 2025Micko Karlsson Trophy 2025Lag 1 LundbergMicko Karlsson Trophy 2025Crew3rd / 5
2 Aug 2024Drumsöregattan HSK 125May Be VI6 MetreCrew3rd / 11
12 Jul 2024Mariehamnsregattan 2024Cecilia SANDMANJ/70Crew11th / 12
5 Jul 2024Alfons Håkans HangöRegattanMay Be VI6mRCrew4th / 13
4 Jun 2024J70 Corinthian Worlds 2024Livia VÄRESMAAJ/70 CorinthianCrew33rd / 109
8 May 2024Micko Karlsson Trophy 2024Lag GrönJ/70Crew2nd / 10
3 May 2024J-70 NationalsLucas KARLEMOJ/70Crew5th / 12
16 Jun 2023J70 SM GRUNDIG SAILING CUPBraxénJ/70Crew5th / 14
10 Jun 2023Women On Water Åland 2023ESF WJ/70Crew2nd / 6
12 Aug 2022Grundig Open Nordic J70 Championships 2022Team BrunoJ/70Crew4th / 20
7 May 2022ÅSS Vårregatta 2022Team BrunoJ/70Crew3rd / 7
3 Aug 2021ÅSS Tisdagssegling 2021Sandra SonnebornLaser RadialSkipper9th / 13
17 Jul 2021Mariehamnsregattan League QualfierFärjsundets Seglarförening Team 2J/70Crew14th / 15
2 Jun 2021Micko Karlsson TrophyLag LilaJ/70Crew8th / 10
22 May 2021BS Spring Cup, Youth Qualifications (J-70)ÅSS Mixed TeamJ/70Crew11th / 11

Crew rating across all classes: 215, #13,601.Helm rating across all classes: 70. Compiled from public results; not an official ranking.