Sailor · 2020–2025

Jan-Hendrik Groenewold

kieler yacht club e v ORC handicap Handicap ILCA 7 (Laser)

Search sailors · About these ratings

Events: 8
Win rate: 0%
Podium rate: 13%
Typically beats: 42%

Biggest lift: Arnd-Tido Ackermann
Longest-running crew: Alf Henryk Wulf
Nemesis: Jens Kuphal
Rival: Andreas Wulfes
Best day: 7 Sep 2025
Signature result: 4th of 12

Partnerships · 30 sailors

Alf Henryk Wulf · STARDUST · Handicap, ORC handicap 7events 0 wins together · 0 podiums · 0% win rate · 0 of 52 races won Beat 46% of the fleet together · best 4th · Sep 2020 – Jun 2025
Christine Walter · STARDUST · Handicap, ORC handicap 6events 0 wins together · 0 podiums · 0% win rate · 0 of 47 races won Beat 45% of the fleet together · best 4th · Sep 2020 – May 2024
Achim Dreyer · STARDUST · Handicap, ORC handicap 6events 0 wins together · 0 podiums · 0% win rate · 0 of 43 races won Beat 53% of the fleet together · best 4th · Sep 2021 – Jun 2025
Arnd-Tido Ackermann · STARDUST · Handicap, ORC handicap 5events 0 wins together · 0 podiums · 0% win rate · 0 of 38 races won Beat 55% of the fleet together(+11 vs. without) · best 4th · Sep 2021 – Jun 2025
Thomas Paul · STARDUST · Handicap, ORC handicap 5events 0 wins together · 0 podiums · 0% win rate · 0 of 42 races won Beat 44% of the fleet together(−16 vs. without) · best 4th · Sep 2020 – May 2024
Lucas Lange · STARDUST · Handicap, ORC handicap 4events 0 wins together · 0 podiums · 4 events · 0 of 29 races won Beat 48% of the fleet together(−5 vs. without) · best 6th · Apr 2022 – May 2024
Andreas Zipp · STARDUST · Handicap, ORC handicap 3events 0 wins together · 0 podiums · 3 events · 0 of 24 races won Beat 47% of the fleet together(−5 vs. without) · best 6th · Aug 2023 – Jun 2025
Lena Abendroth · STARDUST · Handicap 2events 0 wins together · 0 podiums · 2 events · 0 of 15 races won Beat 49% of the fleet together · best 6th · Aug 2023 – Jun 2025
Holger Dahlenburg · STARDUST · ORC handicap 2events 0 wins together · 0 podiums · 2 events · 0 of 18 races won Beat 38% of the fleet together · best 4th · Sep 2020 – Sep 2021
Jens Bartram · STARDUST · ORC handicap 2events 0 wins together · 0 podiums · 2 events · 0 of 14 races won Beat 51% of the fleet together · best 6th · Jul 2022 – May 2024

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

Rating history

Event history · 8

Date	Event	Boat	Class	Role	Finish
7 Sep 2025	Sanduhr-Regatta	Lasy	ILCA 7 (Laser)	Skipper	2nd / 6
7 Jun 2025	X-Yachts Gold Cup presented by Raymarine	STARDUST	Handicap	Crew	6th / 12
3 May 2024	MaiOR - Mai Offshore Regatta 2024	STARDUST	ORC handicap	Crew	15th / 26
7 Aug 2023	ORC World Championship 2023	STARDUST	Handicap	Crew	17th / 29
23 Jul 2022	133. Travemünder Woche 2022	STARDUST	ORC handicap	Crew	6th / 13
29 Apr 2022	MaiOR - Mai Offshore Regatta 2022	STARDUST	ORC handicap	Crew	14th / 25
26 Sep 2021	Internationale Deutsche Meisterschaft 2021 - Seesegeln	STARDUST	ORC handicap	Crew	4th / 12
5 Sep 2020	Kieler Woche 2020	STARDUST	ORC handicap	Crew	26th / 27

Ratings

Class	Rating	Rank	Impact
Full-size sailing Crew	8 provisional	#42672 band 26554–56170	—

2 more classes, not yet ranked

Full-size sailing · Helm · 3 races, 1 event · rating 53
ILCA 7 (Laser) · Helm · 3 races, 1 event · rating 48

Rank among sailors with a substantial record, all time. In brackets, the ranks this rating cannot be told apart from. Impact is the points of fleet beaten that this sailor adds.

Helm and crew

As helm	1 events	0 wins	beats 80%
As crew	7 events	0 wins	beats 46%

How they race

Closer	+8 pts	last race of an event vs. the rest
Comeback	−5 pts	the race after a bottom-half finish
Consistency	57%	100% = the same result every event
Big fleets	34%	of the fleet beaten

Head to head

Helm	Races	W–L
Jens Kuphal	46	1–45
Andreas Wulfes	34	20–14
Torsten Bastiansen	32	0–32
Michael Schulz	31	20–10
Steen Toftebjerg	23	1–22
Erik Stannow	23	1–22
Jan Meincke	23	20–2
Gordon Nickel	18	0–18
Jan Peters	17	3–13
Michael Berghorn	15	3–12
Dr Knut Freudenberg	14	0–13
Klaus-Peter Boock	14	1–12

Most-beaten opponent: Jan Meincke (20–2).

Seasons

Year	Events	Beat
2025	2	67%
2024	1	44%
2023	1	43%
2022	2	52%
2021	1	73%
2020	1	4%

Boats

STARDUST · Handicap, ORC handicap · 7 events · 2020–2025
Lasy · ILCA 7 (Laser) · 1 events · 2025

Where they race

Unknown · 8 events

Is this you?

Claim it to merge duplicates and remove results that aren’t yours. Changes apply at the nightly rebuild.

Crew rating, Full-size sailing: 8, #42,672.Helm rating, Full-size sailing: 53. Compiled from public results; not an official ranking.