Japan

223 Japanese boats from Tokyo Bay to the Seto Inland Sea. A Farr-anchored Pacific fleet — LEANRUN and LEANFORCE platforms head a full-spectrum design distribution.

Kinship

Every fleet has a fingerprint.

From the Solent’s tide-lines to the Seto Inland Sea — find your waters.

 Hidden Shape

The hidden shape of the fleet.
The kinds of boat that keep appearing when every hull is measured the same way.

How every Japanese boat clusters, before the results arrive.
223
boats
8
archetypes
National fleet view · as of 2026-09-02

National fleet view · 223 boats · as of 2026-09-02

At a glance

Japan — structural profile.

Scope
223 boats
51 ORC-rated · 172 mapped-IRC
Top 3 archetypes
  1. LEANRUN — 55 boats (24.7%)
  2. LEANFORCE — 47 boats (21.1%)
  3. HEFTLINE — 44 boats (19.7%)
Eight canonical performance archetypes (the fleet’s eight recurring design types) cluster the fleet by dimensional signature. See the full map →
Top designer cluster
Farr Design
65 boats (29.1%) — 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 2026-09-02
Fleet DNA

How the Japanese boats are built.

223 boats in the fleet. 51 ORC-rated and 172 mapped IRC entries attributed across 8 archetypes — here's how they cluster, and what the collective signature reveals about how Japan races.

The Japanese ORC Fleet Signature

Japan's fleet reads as a Farr-anchored Pacific collective led by a large-scale all-rounder group, with a compact tier close behind it and a long, full-spectrum structural tail. LEANRUN leads at 24.7% (55 boats) — the Large-Platform family's all-rounders, hulls that sit in line with the fleet norm upwind in race results. LEANFORCE follows at 21.1% (47 boats) — the Compact family, narrow hulls sitting at the short end of the hull-proportion axis, which show a measured downwind advantage in race results and put a premium on crew execution. HEFTLINE takes third at 19.7% (44 boats), compact, level-trimmed hulls on a stiff righting reserve that carry a measured upwind advantage in race results, and AEROFORCE sits fourth at 11.2% (25 boats), large, level-posture hulls that carry a measured reaching advantage in race results. The four largest archetypes carry 76.7% of the fleet between them, and none holds a controlling share: all eight archetypes are populated, a full-spectrum distribution running from towering offshore platforms to minimal-scale sportboats — and the strongest structural signal sits with the design board, where Farr Design draws 29.1% of the hulls.

  • LEANRUN 24.7% · 55 boats
  • LEANFORCE 21.1% · 47 boats
  • HEFTLINE 19.7% · 44 boats

Dimension emphasis: Hull Efficiency · Rating & Classification

The 2026 Japanese forward path runs the JSAF domestic circuit and the Kennosuke Cup as the home-water anchor — Tokyo Bay, Sagami Bay, Seto Inland Sea — with Pacific offshore destination campaigns carrying Japanese boats into Rolex Fastnet and US ocean-race venues as the international footprint. Farr Design's concentration — 65 of the fleet's 223 hulls — is the structural through-line that travels with the fleet.

Complete data Latest published view

LEANRUN

— upwind-neutral in race results.

neutral upwind · neutral reaching · weak downwind

Boats 55
Share 24.7%
  • First 36.7
  • J-109
  • First 35

LEANFORCE

Compact scale — measured downwind advantage in race results.

neutral upwind · neutral reaching · neutral downwind

Boats 47
Share 21.1%
  • Fortuna 9
  • Mat 10.10
  • Aphrodite 101

HEFTLINE

Compact scale · level posture · stiff reserve — measured upwind advantage in race results.

moderate upwind · moderate reaching · moderate downwind

Boats 44
Share 19.7%
  • J-111
  • Farr 30
  • Cape 31

AEROFORCE

Large scale · level posture · neutral reserve — measured reaching advantage in race results.

weak upwind · weak reaching · weak downwind

Boats 25
Share 11.2%
  • First 40.7
  • X-43
  • Grand Soleil 40

AEROSTREAM

Towering scale · level posture · stiff reserve — downwind-neutral in race results.

neutral upwind · weak reaching · weak downwind

Boats 18
Share 8.1%
  • TP-52
  • XP-44
  • Farr 40

SPARKFLEX

Minimal scale · upright posture · tender reserve — downwind-constrained in race results.

neutral upwind · moderate reaching · moderate downwind

Boats 12
Share 5.4%
  • J-80 OD
  • J-24
  • J-70 ONE DESIGN

AEROCORE

Large scale · tender reserve — downwind-neutral in race results.

neutral upwind · neutral reaching · neutral downwind

Boats 12
Share 5.4%
  • First 36
  • Bavaria CR 46
  • J-120

KEELRUN

Compact scale · upright posture · neutral reserve — upwind-neutral in race results.

strong upwind · strong reaching · strong downwind

Boats 10
Share 4.5%
  • First 31.7
  • J-105
  • Sunfast 3200

National fleet view · 223 boats · as of 2026-09-02

Racing Landscape

Japanese offshore racing is a domestic story first. The national fleet races on home water — Tokyo Bay, Sagami Bay, and the Seto Inland Sea — where the JSAF domestic circuit and the Kennosuke Cup anchor the calendar. In the current published view, the fleet's international appearances are lone destination campaigns: single entries reaching distant race venues, never a traveling squad.

A lone boat at a distant event is a limited sample — so this page reads the fleet, not a result. FleetEdge surfaces a selected race result on a country page when enough of the national fleet appears in one event's published standings to say something reliable, with every cited boat's identity confirmed against the fleet records. Japan's entry group is not there yet: the Fleet DNA, class, and designer views on this page carry the structural story, and the racing lens will follow as the published sample deepens.

No international event in the current published view carries more than one Japanese boat — the selected-race-result signal is too thin to surface reliably. The Headlines, Stories, and Race Archetypes lenses are omitted until the published sample deepens.

Classified fleet view · 223 of 223 classified · as of 2026-09-02

Fleet Stories

The Japanese fleet signature.

Farr Design anchors the Japanese fleet

Farr Design draws 65 of the 223 JPN-flagged boats — 29.1%, nearly three in ten Japanese hulls sailing to a Farr line. The concentration runs straight through the fleet's backbone classes: the Farr-penned First 34.7, the largest single class in the Japanese fleet, and the First 40.7 alongside it, with the Farr 40 owner-driver class and the Farr 30 sportboat line completing a board that shaped a generation of Pacific offshore programs. It is not a one-design phenomenon — coastal racer-cruisers, owner-driver one-design, and big-boat offshore platforms all carry the same design signature.

LEANRUN leads the Japanese fleet

LEANRUN is the largest archetype in the national fleet — 55 boats, 24.7% of the 223 JPN-flagged fleet — the Large-Platform family's all-rounders, hulls that sit in line with the fleet norm upwind in race results. LEANFORCE follows at 47 boats (21.1%), the Compact family's narrow hulls at the short end of the hull-proportion axis that show a measured downwind advantage in race results and reward crew execution, with HEFTLINE at 44 boats (19.7%), compact, level-trimmed platforms on a stiff righting reserve. The four leading archetypes carry a little over three of every four boats — a broad front group spanning scale and stiffness rather than a single-type monoculture, with all eight archetypes populated behind it.

Popular Classes

The boats that define Japanese racing.

First 34.7 (26)

Beneteau's Farr-penned mid-size racer-cruiser — the single largest class in the Japanese fleet and the backbone of its IRC and ORC entry lists.

First 31.7 (13)

Beneteau's Finot-designed club racer — a compact, durable offshore platform that fills the lower-rating end of the fleet.

First 40.7 (12)

The Farr Design Beneteau 40-footer that defined a decade of racer-cruiser racing — the bigger-boat companion to the First 34.7 family.

J-109 (12)

J/Boats' mid-2000s IRC 35-footer — one-design capable and handicap friendly, central to the mid-size offshore grid.

X-35 OD (9)

X-Yachts' Jeppesen-Nielsen 35 raced as a strict one-design class — sharp-edged, stiff, and fast.

Continue

Go deeper.

ORC World Fleet

How Japan's fleet sits inside the global ORC fleet and the international offshore landscape.

Australia

Pacific peer fleet — Sydney Hobart, the Tasman, and the archetype mix of the Australian fleet.

Fleet Archetypes

The canonical performance archetypes — LEANRUN, LEANFORCE, HEFTLINE and the full set of design groups that clusters Japan's fleet.

Platform Scale

How FleetEdge measures racing across geographies and fleet types — every fleet's hidden shape.

Join the world's offshore racing teams.

Historical weather meets hull physics — every fleet, every leg.

See Japan Racing — ORC World Fleet See Fleet Overview