Sailor · 2025

Johan Bosma

wsv haringvliet Handicap

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Events: 2
Win rate: 1
Podium rate: 1
Typically beats: 85%

Signature result: 1st of 33

Partnerships · 7 sailors

Jan van der Werff · New Frontier · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Oct 2025 – Oct 2025
Ivan Tkauz · New Frontier · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Oct 2025 – Oct 2025
Maarten Bart · New Frontier · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Oct 2025 – Oct 2025
Zvonko Tkauz · New Frontier · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Oct 2025 – Oct 2025
Kees Mulder · Grumpy Cat · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 54% of the fleet together · best 7th · May 2025 – May 2025
Marije Bart · New Frontier · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Oct 2025 – Oct 2025
Jan Bart · New Frontier · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Oct 2025 – Oct 2025

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

Event history · 2

Date	Event	Boat	Class	Role	Finish
18 Oct 2025	ANTWERP RACE 2025	New Frontier	Handicap	Crew	1st / 33
24 May 2025	40 mijl van Bru	Grumpy Cat	Handicap	Skipper	7th / 14

Ratings

Class	Rating	Rank	Adj. ±

2 more classes, not yet ranked

All classes · Crew · 1 race, 1 event · rating 13
All classes · Helm · 1 race, 1 event · rating 9

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	1 events	0 wins	beats 54%
As crew	1 events	1 wins	beats 100%

How they race

Seasons

Year	Events	Wins	Beat
2025	2	1	77%

Boats

New Frontier · Handicap · 1 events · 2025
Grumpy Cat · Handicap · 1 events · 2025

Where they race

Unknown · 2 events

Is this you?

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

Crew rating across all classes: 13 (±250).Helm rating across all classes: 9 (±249). Compiled from public results; not an official ranking.