Sailor · 2017–2026

Martin Gröndahl

wbs OK 2026 OK Dinghy World Championship OK Jolle Nordisk Mesterskab

Search sailors · About these ratings

Events: 10
Win rate: 0%
Podium rate: 0%
Typically beats: 36%
Best class ranking: #119

Nemesis: Malte Pedersen
Best day: 12 Jun 2026
Signature result: 6th of 17

Partnerships · 3 sailors

Hubert Carlander · JET · J/70 Nordic Championship 1events 0 wins together · 0 podiums · 1 events · 0 of 9 races won Beat 69% of the fleet together · best 6th · Jun 2017 – Jun 2017
Michael Ahlberg · JET · J/70 Nordic Championship 1events 0 wins together · 0 podiums · 1 events · 0 of 9 races won Beat 69% of the fleet together · best 6th · Jun 2017 – Jun 2017
Fredrik Tramp · JET · J/70 Nordic Championship 1events 0 wins together · 0 podiums · 1 events · 0 of 9 races won Beat 69% of the fleet together · best 6th · Jun 2017 – Jun 2017

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

Rating history

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

Event history · 10

Date	Event	Boat	Class	Role	Finish
26 Jun 2026	Kieler Woche 2026	ONDO	OK	Skipper	47th / 47
8 Jun 2026	OK Dinghy World Championship 2026	ONDO	2026 OK Dinghy World Championship	Skipper	91st / 203
23 May 2026	KDY Spring Cup 2026	ONDO	OK	Skipper	6th / 11
6 Sep 2025	Blue Week 2025	ONDO	OK Jolle Nordisk Mesterskab	Skipper	24th / 28
6 Jul 2025	87. Warnemünder Woche 2025	ONDO	OK (European Championships 2025)	Skipper	86th / 111
26 Jun 2025	Kieler Woche 2025	ONDO	OK	Skipper	36th / 50
14 Jun 2025	VIVA Arkitekter, Ronstan og Pantaenius Ranglistestævne for OK-joller	ONDO	OK	Skipper	26th / 48
17 May 2025	XXII. Culix Cup 2025	ONDO	OK-Jollen	Skipper	41st / 50
12 Jul 2024	86. Warnemünder Woche 2024	Martin GRÖNDAHL	OK	Skipper	26th / 35
29 Jun 2017	GRUNDIG Hankø Race Week 2017	JET	J/70 Nordic Championship	Crew	6th / 17

Ratings

Class	Rating	Rank	Adj. ±
All classes Helm	-114 provisional	#70414 band 53196–79138	—
OK Helm	-77 provisional	#119 band 85–151	—

6 more classes, not yet ranked

All classes · Crew · 9 races, 1 event · rating 43
J/70 Nordic Championship · Crew · 9 races, 1 event · rating 40
OK (European Championships 2025) · Helm · 8 races, 1 event · rating -7
2026 OK Dinghy World Championship · Helm · 7 races, 1 event · rating 0
OK-Jollen · Helm · 6 races, 1 event · rating -29
OK Jolle Nordisk Mesterskab · Helm · 6 races, 1 event · rating -105

Rank among sailors with ten or more rated races over three or more events, all time. In brackets, the ranks this rating cannot be told apart from. Adj. ± is the adjusted plus-minus in points of fleet beaten.

Helm and crew

As helm	9 events	0 wins	beats 29%
As crew	1 events	0 wins	beats 69%

How they race

Closer	−2 pts	last race of an event vs. the rest
Comeback	−6 pts	the race after a bottom-half finish
Consistency	60%	100% = the same result every event
Big fleets (25+)	27%	of the fleet beaten

Head to head

Helm	Races	W–L
Malte Pedersen	46	6–38
Soren Ulslev	45	9–34
Anton Aakerlund	38	30–6
Pete Petersen	38	28–7
Henrik Kofoed	37	4–31
Per Kaaber	36	6–27
Patric Mure	32	2–28
Sebastian Schmidt-klügmann	32	4–26
Benjamin HammerÖ	32	3–26
Andreas Pich	31	3–26
Carsten Bech	31	7–22
Ask Askholm	31	3–26

Most-beaten opponent: Anton Aakerlund (30–6).

Seasons

Year	Events	Beat
2026	3	35%
2025	5	26%
2024	1	27%
2017	1	69%

Boats

ONDO · OK, 2026 OK Dinghy World Championship, OK Jolle Nordisk Mesterskab, OK (European Championships 2025), OK-Jollen · 8 events · 2025–2026
Martin GRÖNDAHL · OK · 1 events · 2024
JET · J/70 Nordic Championship · 1 events · 2017

Where they race

Unknown · 10 events

Is this you?

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

Helm rating across all classes: -114 (±225), #70,414.Crew rating across all classes: 43 (±242). Compiled from public results; not an official ranking.