STORMLINE leads, KEELFLEX backs it — the rough-water-plus-narrow-window Baltic read.

320 FIN-prefix boats anchor a distinctive Finnish offshore character: STORMLINE 22.5% leads and KEELFLEX 15.6% follows, 38.1% of the fleet between them — a rough-water specialist paired with a narrow-stability-window platform that defines how the Finnish fleet meets cold water, shallow archipelago approaches, and short punishing seas under the magnetic clarity of summer's nightless nights. GRAVITYRUN's heavy-mode downwind drive sits third at 13.4%.

320
boats
19
events
191
races
Domestic competitive fleet · as of 2026-06-21

National authority: Suomen Purjehdus ja Veneily

The intensity of the Baltic season shapes Finnish racing character. With a short window for racing, every event matters. Crews develop through a series of closely-packed competitions that test preparation, boat handling in variable conditions, and tactical discipline under pressure. Underneath the calendar, the structural read is clean: 320 boats with FIN sail prefixes make Finland one of the largest contributors to the Baltic offshore fleet, second only to Norway, and that fleet clusters on rough-water and narrow-window platforms rather than on a single leading designer line. Jeppesen-Nielsen leads the designer table at 7.0% (22 boats), well below the 15% concentration threshold, with Sparkman & Stephens adding a cross-Atlantic classic-American presence. The Finnish fleet is structurally fragmented on the drawing-board axis and structurally concentrated on the archetype axis — a combination distinctive on FleetEdge.

Finland — structural profile.

Scope
320 boats
317 ORC-rated · 3 mapped-IRC
Top 3 archetypes
  1. STORMLINE — 72 boats (22.5%)
  2. KEELFLEX — 50 boats (15.6%)
  3. GRAVITYRUN — 43 boats (13.4%)
Eleven canonical performance archetypes cluster the fleet by dimensional signature. See the full map →
Top designer cluster
Jeppesen-Nielsen
22 boats (6.9%) — the most-represented design voice in this fleet.

Counts and archetype assignments above are measured from the current corpus. Commentary below is interpretive.

National fleet view · as of 2026-06-21

320 boats, fragmented designers, a STORMLINE-led Baltic signature.

320 FIN-prefix boats across 11 archetypes on the Baltic — cold water, shallow archipelago, short punishing seas. Here's how a fragmented designer market (Jeppesen-Nielsen 7.0% most-common) carries a STORMLINE 22.5% plus KEELFLEX 15.6% signature, and what 38.1% top-two archetype concentration reveals about how Finland actually races.

The Finnish ORC Fleet Signature

Finland races with a rough-water-plus-narrow-window signature shaped by the Baltic. STORMLINE leads at 22.5% (72 boats) — rough-water specialists with hull shapes tuned for steep, short waves, the leading Finnish answer to the archipelago seas. KEELFLEX follows at 15.6% (50), narrow-stability-window platforms that reward precise trim and punish imbalance. GRAVITYRUN carries the heavy-mode momentum boats with strong sustained-breeze downwind drive at 13.4% (43). Rough-water tuning, stability-window precision, and momentum-class running lead the Baltic mix.

  • STORMLINE 22.5% · 72 boats
  • KEELFLEX 15.6% · 50 boats
  • GRAVITYRUN 13.4% · 43 boats

Dimension emphasis: Sail Performance · Crew

The Finnish structural read concentrates on STORMLINE 22.5% plus KEELFLEX 15.6% — 38.1% top-two share — with a fragmented Jeppesen-Nielsen-led designer market (7.0% most-common) and FIN-prefix boats representing the country on the world stage at the Tallinn 2025 ORC Worlds.

STORMLINE

Rough-water specialist with a hull shape optimized for steep, short waves.

moderate upwind · strong reaching · moderate downwind

Boats 72
Share 22.5%
  • J/111
  • J/121
  • Fast 40+

KEELFLEX

Narrow stability window; fast when perfectly balanced, punishing when not.

neutral upwind · moderate reaching · neutral downwind

Boats 50
Share 15.6%
  • First 30
  • X-35
  • J/35

GRAVITYRUN

Heavy-mode momentum boat with strong downwind power in sustained breeze.

neutral upwind · moderate reaching · strong downwind

Boats 43
Share 13.4%
  • Swan 47
  • C&C 41
  • Sigma 38

HEADFORCE

High righting moment, upwind-biased hull that powers through chop.

strong upwind · weak reaching · VMG downwind

Boats 31
Share 9.7%
  • First 34.7
  • Grand Soleil 37
  • Sun Fast 3300

AEROMAX

Power-efficiency hybrid with strong upwind drive and moderate displacement.

strong upwind · neutral reaching · neutral downwind

Boats 29
Share 9.1%
  • TP52
  • GP42
  • Melges IC37

STEELCORE

Stiff, beam-rich platform with a rigid, stable drive through chop.

neutral upwind · neutral reaching · neutral downwind

Boats 27
Share 8.4%
  • First 40
  • Bavaria C42
  • Hanse 388

STEELFORM

Heavy-displacement hull with strong directional stability.

neutral upwind · neutral reaching · VMG downwind

Boats 18
Share 5.6%
  • J/70
  • Farr 280
  • SB20

IRONWIND

Stiff, stable-drive platform with predictable load behavior.

moderate upwind · moderate reaching · VMG downwind

Boats 16
Share 5.0%
  • J/122
  • XP-44
  • Swan 45

DEEPFRAME

Deep-hull efficiency paired with a stiff platform for drag-optimized flow.

neutral upwind · moderate reaching · VMG downwind

Boats 14
Share 4.4%
  • Swan 60
  • Nautor custom
  • ClubSwan 50

GLIDEFORM

Low-drag hull with efficient upwind flow and moderate displacement.

weak upwind · moderate reaching · strong downwind

Boats 13
Share 4.1%
  • J/109
  • Dehler 38
  • Italia 11

AEROBLADE

Light, agile platform optimized for quick acceleration and flat-water speed.

moderate upwind · moderate reaching · neutral downwind

Boats 7
Share 2.2%
  • Class 40
  • IMOCA derivatives
  • Pogo 30

The Finnish fleet signature.

The rough-water STORMLINE lean

STORMLINE is the single largest archetype in the Finnish fleet — 72 of 320 FIN-prefix boats, 22.5% of the fleet. These are rough-water specialists, hulls shaped for steep, short waves rather than for flat-water glide or pure upwind power. In a fleet that races the cold archipelago seas of the Gulf of Finland, that lean is structural: more than one boat in five is built first for the chop. With KEELFLEX's narrow-stability-window racing platforms at 15.6% close behind, the Finnish design preference reads as a balance of rough-water durability and trim-rewarding precision rather than specialization for any single point of sail.

The boats that define Finnish racing.

Finngulf 41 (6)

A racer-cruiser from Finngulf Yachts.

Inferno 31 (6)

A racer-cruiser from Finngulf Marine.

X-99 (5)

A racer-cruiser from X-Yachts.

Albin Nova (4)

A racer-cruiser from Albin Marine.

Finn Express 83 (4)

A racer-cruiser from Nykra.

The Finnish ORC community has developed depth through focused, high-intensity racing. Finnish Sailing and Boating provides the national framework and competitive structure. The Baltic offshore series brings together boats from Finland, Sweden, Denmark, and Germany in a challenging multi-event competition that tests boat handling and tactics in the complex Baltic environment. At 320 boats with FIN sail prefixes, Finland is one of the largest contributors to the Baltic offshore fleet, second only to Norway and ahead of Estonia, Sweden, and the southern Baltic states.

Finland's contribution to international offshore racing is built on consistent excellence in challenging conditions. Finnish teams compete internationally and bring experience from the most technically demanding Baltic waters. The combination of skill development in short seasons, boat handling in complex water states, and tactical precision under pressure creates a foundation for competitive engagement in international events. The structural signature behind the calendar — STORMLINE 22.5% rough-water specialists plus KEELFLEX 15.6% narrow-window racing platforms, with GRAVITYRUN 13.4% heavy-mode downwind running close behind — reads as a Finnish answer to Baltic conditions that no other regional fleet on FleetEdge surfaces with the same balance.

DH SM 2025 — Finnish Double-Handed Championship, Classes A & B.

18 of 320 fleet boats competed. 2 races. ToT — Weather Routing scoring over the 142.87 nm Espoo–Naissaari offshore course, 6 June 2025.

Who led each lens at DH SM 2025.

Comparative Time

1. TEGU · 6.95 sec/nm
2. TENET · 8.27 sec/nm
Cohort 16 boats

Crew Effectiveness

1. TENET · 6.44 sec/nm
2. TEGU · 8.13 sec/nm
Cohort 16 boats

Sail Drive Efficiency

1. TEGU · 44.0
2. TENET · 43.0
Cohort 18 boats

What the home championship surfaced.

TENET — Event Champion, Class A

Tenet won Class A from a 9-boat field on 1.4 points — a JPK-10.30 in DEEPFRAME form, a deep-hull, stiff-platform design built for drag-optimized flow. The boat also led the 16-boat comparison group on Crew Effectiveness at 6.44 sec/nm and sat 2nd on both Comparative Time and Sail Drive Efficiency, the convergence of platform, sails, and crew that a class title usually rewards.

GOODIO — Event Champion, Class B

Goodio took Class B, also on 1.4 points from a 9-boat field — a Mat 10.10 in STORMLINE form, the rough-water specialist archetype that leads the Finnish fleet as a whole. A class title for the country's most common archetype at its home double-handed championship is the macro signature showing up on the podium.

Two class titles, two archetypes

Both DH SM 2025 class winners were Finnish, and they came from different archetypes: Tenet's DEEPFRAME in Class A and Goodio's STORMLINE in Class B, each scoring an identical 1.4 points to top its nine-boat class. One championship, two design philosophies on top — deep-hull efficiency in one class, rough-water tuning in the other — a breadth that reflects the fragmented-designer, multi-archetype shape of the 320-boat Finnish fleet.

Tegu cleared the field median by 24 sec/nm

Tegu, a Dehler 30 OD in GLIDEFORM form, posted the field-best Comparative Time allowance residual at 6.95 sec/nm against a 16-boat field median near 31 sec/nm — roughly 24 sec/nm clear of the middle of the fleet — and topped Sail Drive Efficiency at 44.0. Only Tenet, at 8.27 sec/nm, held within two seconds per mile of the leader; every other boat in the comparison field conceded 9 sec/nm or more.

Tenet: first on crew, top-two across three lenses

FleetEdge reads the Class A champion across three dimension families at DH SM 2025: first of 16 on Crew Effectiveness at 6.44 sec/nm, second on Comparative Time at 8.27 sec/nm, and second on Sail Drive Efficiency at 43.0 across the 18-boat surface. The short-handed format isolates crew work from hull variation, and the JPK-10.30's presence on every table says the title was carried on more than one surface.

18 boats classified in DH SM 2025.

Archetypes as published 2026-06-08 — the FleetEdge view nearest this event.

STORMLINE

Rough-water specialist with a hull shape optimized for steep, short waves.

Boats 5
Share 27.8%

DEEPFRAME

Deep-hull efficiency paired with a stiff platform for drag-optimized flow.

Boats 3
Share 16.7%

GRAVITYRUN

Heavy-mode momentum boat with strong downwind power in sustained breeze.

Boats 3
Share 16.7%

BALANCECORE

Heel-sensitive platform with a wider, more forgiving performance envelope.

Boats 2
Share 11.1%

GLIDEFORM

Low-drag hull with efficient upwind flow and moderate displacement.

Boats 2
Share 11.1%

AEROMAX

Power-efficiency hybrid with strong upwind drive and moderate displacement.

Boats 1
Share 5.6%

IRONWIND

Stiff, stable-drive platform with predictable load behavior.

Boats 1
Share 5.6%

KEELFLEX

Narrow stability window; fast when perfectly balanced, punishing when not.

Boats 1
Share 5.6%

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