Sailor · 2023–2025

Sonja Koski

helsingfors segels llskap Handicap

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Events: 2
Win rate: 1
Podium rate: 1
Typically beats: 54%

Signature result: 1st of 6

Partnerships · 8 sailors

Paolo Casagrande · Arajeta, Lilith · Handicap 2events 1 wins together · 1 podiums · 2 events · 1 of 2 races won Beat 58% of the fleet together · best 1st · Oct 2023 – Aug 2025
Teemu HeikkilÄ · Lilith · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 17% of the fleet together · best 6th · Oct 2023 – Oct 2023
Tuure Leponiemi · Lilith · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 17% of the fleet together · best 6th · Oct 2023 – Oct 2023
Johanna Eskelinen · Lilith · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 17% of the fleet together · best 6th · Oct 2023 – Oct 2023
Marco Meier · Lilith · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 17% of the fleet together · best 6th · Oct 2023 – Oct 2023
Risto Niemi · Arajeta · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Aug 2025 – Aug 2025
Johanna van Wonterghem · Arajeta · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Aug 2025 – Aug 2025
Emmi Hakala · Arajeta · Handicap 1events 1 wins together · 1 podiums · 1 events · 1 of 1 race won Beat 100% of the fleet together · best 1st · Aug 2025 – Aug 2025

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

Rating history

Event history · 2

Date	Event	Boat	Class	Role	Finish
22 Aug 2025	Helsinki Tallinna Race 2025	Arajeta	Handicap	Crew	1st / 6
7 Oct 2023	KoPun Karvalakki 2023	Lilith	Handicap	Crew	6th / 7

Ratings

Class	Rating	Rank	Impact

1 more class, not yet ranked

All classes · Crew · 2 races, 2 events · rating 31

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	0 events	0 wins	beats —
As crew	2 events	1 wins	beats 58%

How they race

Seasons

Year	Events	Wins	Beat
2025	1	1	100%
2023	1	0	17%

Boats

Arajeta · Handicap · 1 events · 2025
Lilith · Handicap · 1 events · 2023

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: 31. Compiled from public results; not an official ranking.