RORC Transatlantic Race

RORC Transatlantic Race — IRC and ORC-rated boats


Marina Lanzarote, Canary Islands Camper & Nicholsons Port Louis Marina, Grenada (3000 nm)
14 boats 13 events 41 races 629 obs International event fleet · as of 2026-04-21 · build a2e90234

Three thousand miles of weather routing. An Atlantic read before a boat race.

The RORC Transatlantic Race is 2,995 nautical miles from Lanzarote to Grenada — the race where strategic routing decisions in the first 48 hours determine the outcome more than any other factor, and where FleetEdge's ERA5 weather intelligence dimension is most directly visible in the performance data. The 2024 edition made the point: two deep low-pressure systems forecast 40-knot winds and 8-metre seas on the northern route, forcing RORC to amend the course 48 hours before the start. That amendment itself became a tactical variable, splitting the fleet between boats that went south immediately and those that held their northern line. In 2025, Lucky set a new monohull record of 7 days 19 hours — a performance that only makes sense when correlated with the weather conditions along the chosen routing.

The Gulf Stream crossing is the race's other defining tactical gate — where and when to transit a 2-knot river of warm water running northeast across the fleet's track is worth more than any boat-speed advantage. Beneath the routing decisions, the race is a crew-endurance test: sustained downwind hull efficiency across a week at sea, sail handling discipline through days of trade-wind reaching, and the focus to make the right call when the next weather window opens six hours after the last sleep.

FleetEdge tracks 14 boats in the Transatlantic cohort — 7 ORC-rated and 4 IRC-synthetic attributed across 5 archetypes (11 classified). The fleet is typically smaller than the major coastal events but includes some of offshore racing's most serious campaigns: boats prepared for multi-day blue-water passages where sustained downwind hull efficiency, navigating the Gulf Stream's meanders, and crew endurance over a week define the competitive separation. KEELFLEX dominates at 63.6% — seven of the eleven classified boats sit on narrow-stability-window hulls that reward disciplined trim across a 3,000nm trade-wind crossing. IRC boats are matched to their ORC design-family equivalents by hull dimensions and projected with the full ORC physics profile, and every IRC twin is transparently labeled as a class-sibling projection.

The RORC Transatlantic runs approximately every two years; the 2026 edition shipped in January 2026 with 10 of 14 fleet boats on the start line, and the next running is on the RORC biennial schedule. Between editions, the fleet is small but the data it generates is among the highest-signal in the FleetEdge corpus: a crew crossing an ocean cannot hide, and the delta between the leader and the tail carries information about routing, crew, and hull that a 600-mile race compresses.

How the Transatlantic fleet is built.

14 boats in the fleet. 7 ORC-rated and 4 IRC-synthetic attributed across 5 archetypes.

The RORC Transatlantic Fleet Signature

The Transatlantic fleet is a narrow-window, crew-endurance collective — one archetype wide, five boats deep. KEELFLEX carries 63.6% of classified boats (7 of 11), the most concentrated archetype share on any IRC classic hub. The remaining four classified boats each contribute a singleton from a different archetype (BALANCECORE, DEEPFRAME, HEADFORCE, IRONWIND), giving the fleet a one-archetype backbone with a long diverse tail. A 14-boat cohort sits below the 20-boat comparative-narrative floor, but the authentic race-result data from the 2026 edition supports a low-sample tier — real cards, honestly confidence-chipped.

  • KEELFLEX 63.6% · 7 boats
  • BALANCECORE 9.1% · 1 boat
  • DEEPFRAME 9.1% · 1 boat

Dimension emphasis: Weather Intelligence · Comparative Time (directional)

Low-sample cohort: 14 boats with 10/14 participation in the 2026 edition. Race Story Cards below ship with mid-confidence chips and explicit low-sample caveats — single-race deltas across a 3,000nm crossing carry elapsed-time-summing noise and are directional, not precise.

The full 5-archetype distribution.

Keelflex

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

Boats 7
Share 63.6%

Balancecore

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

Boats 1
Share 9.1%

Deepframe

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

Boats 1
Share 9.1%

Headforce

Pressure-driven compact-rig hull that punches through chop at the windward mark.

Boats 1
Share 9.1%

Ironwind

Stiff, stable-drive platform with predictable load behaviour.

Boats 1
Share 9.1%

KEELFLEX dominates at 63.6% — seven of the eleven classified boats sit on narrow-stability-window hulls that reward disciplined trim across a 3,000nm trade-wind crossing. The remaining four singletons — BALANCECORE, DEEPFRAME, HEADFORCE, IRONWIND — each contribute one boat, giving the Transatlantic fleet a one-archetype backbone with a diverse long tail.

RORC Transatlantic Race 2026: First Light II clears the field by 112 sec/nm.

The 2026 RORC Transatlantic Race ran in January 2026 with 10 of 14 fleet boats on the start line. The single-race cohort and the 3,000nm elapsed-time-summing geometry mean the dimensional deltas below are directional, not precise — we flag them at mid confidence and frame every card around magnitude rather than per-boat precision. Three stories the Atlantic crossing told on the 2026 edition.

Pre-race scenario

The 2026 RORC Transatlantic Race handed its signature to a single Class 40 — First Light II (USA54, KEELFLEX) — that cleared the 10-boat cohort by 112 sec/nm on Comparative Time and 150 sec/nm on Crew Effectiveness. The magnitudes are wide enough to survive the single-race low-confidence caveat; the per-boat ranking below First Light II collapses to within 4 sec/nm between NEOJIVARO and JACKKNIFE. Below the 20-boat comparative-narrative floor but above the minimum-N structural threshold, the Transatlantic fleet ships real cards with explicit directional framing. The next edition runs on the RORC biennial schedule under whatever weather-routing regime the Atlantic presents at that start.

When the next biennial edition runs, will the KEELFLEX 63.6% structural signature hold across a different Atlantic weather window, or will a squally northern-route edition reward a stiffer IRONWIND or DEEPFRAME platform?

Read the RORC Caribbean 600 hub →
Magnitude Gap · Multi-Dimension Presence

First Light II clears the Comp Time field by 112 sec/nm.

First Light II (USA54, Class 40, KEELFLEX) posts a Comparative Time residual of −164.05 sec/nm vs ORC — a 112 sec/nm margin over second-placed NEOJIVARO (FRA-9967, NEO 430 ROMA, KEELFLEX). The same boat leads Crew Effectiveness at −167.74 sec/nm, a 150 sec/nm margin over second-placed JACKKNIFE (GBR-8859R, J-125, KEELFLEX) at −17.21. Double-leading both corrected-time families is rare anywhere; doing it on a 3,000nm Atlantic crossing while the cohort collapses to within 4 sec/nm for second and third is a magnitude wide enough to survive the single-race low-confidence caveat the cohort carries. A Class 40 sailed inside its trade-wind reaching window, clearing the allowance by a margin no other boat in the cohort approached. The magnitudes are directional, not precise — but the direction is unambiguous.

  • First Light II Comp Time: −164.05 sec/nm · 1st of 5 (112 sec/nm margin)
  • First Light II Crew Eff: −167.74 sec/nm · 1st of 4 (150 sec/nm margin)
  • Cohort Comp Time spread: 221.07 sec/nm
Archetype Cluster · Compression Signature

Two KEELFLEX hulls separated by 4 sec/nm for second place.

NEOJIVARO (FRA-9967, NEO 430 ROMA, KEELFLEX) and JACKKNIFE (GBR-8859R, J-125, KEELFLEX) sit 2nd and 3rd on Comparative Time at −51.99 and −47.77 sec/nm vs ORC respectively — 4.22 sec/nm apart across the 3,000nm Atlantic crossing. Two narrow-stability-window hulls from different design boards (NEO 430 ROMA a modern Verdier-family cruiser-racer, J-125 a J/Boats offshore design) compressed to within touching distance after a week at sea. KEELFLEX is the narrow-trim-window archetype — fast when the crew can hold it inside its balance, expensive when they cannot — and the 2026 edition rewarded both crews for holding the line across the trade-wind reaches. Same archetype, very different platforms; the race compressed them to a single result band below First Light II's breakaway.

  • NEOJIVARO Comp Time: −51.99 sec/nm · 2nd of 5
  • JACKKNIFE Comp Time: −47.77 sec/nm · 3rd of 5
  • Gap between 2nd and 3rd: 4.22 sec/nm · over 3,000nm
Archetype Self-Selection

KEELFLEX fleet bias strengthens into the 2026 race cohort.

KEELFLEX carries 63.6% of the 11-classified Transatlantic fleet (7 boats), and 66.7% of the 9-classified 2026 race cohort (6 boats) — the most concentrated archetype share on any IRC classic hub on the FleetEdge grid. The remaining race-cohort classified boats are singletons: BALANCECORE, HEADFORCE, and IRONWIND each contribute one boat at 11.1%. The Transatlantic fleet is a one-archetype backbone with a diverse long tail, and the race cohort intensifies the KEELFLEX bias rather than diluting it. Boats committing to a 3,000nm Atlantic crossing already pre-select for narrow-stability-window platforms where trim discipline translates directly into elapsed-time advantage across a week at sea. The 2026 edition's dimensional leaders (First Light II / NEOJIVARO / JACKKNIFE — all KEELFLEX) are a product of that self-selection effect.

  • Fleet KEELFLEX share: 63.6% (7 of 11 classified)
  • Race cohort KEELFLEX share: 66.7% (6 of 9 classified)
  • Top-3 Comp Time in 2026: all KEELFLEX

Analyse the Transatlantic.

2,995 nm from Lanzarote to the Caribbean. The ultimate weather routing dataset.