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Leebow · Graham Eger

Sailing analysis & race preparation

I help boat owners and coaches review race data and prepare for upcoming events.

The work includes race debriefs, performance analysis and polar development, as well as weather routing and crew briefs for offshore races.

Sailing support Get in touch

Offshore routing

Offwind

Compare forecasts and routes for an offshore passage, then take the plan aboard with Offwind.

Launch Offwind Offwind home ORC RaceFlow 2.0 comparison

Windward–leeward analytics

Find the seconds
between the marks.

Speed through the tack. Time to accelerate. The gain from a better shift.

Explore race analytics
TWO LAPSSimulated fleet
Simulated fleet splitting upwind around a windward–leeward course
Local wind · live fleetTap a boat to follow
Upwind laylinesDownwind laylinesMidline100 m course rungs
TWA —° TWS — kn VMG angle —°
Boat speed— kn
Race clock—
Boat 01—

Published research

Research

Long-form studies written so sailors can inspect the weather, fleet history, and assumptions behind each conclusion.

  1. Onboard data · performance Through the turns Tack speed, recovery, and observed polars across four sailing datasets.
  2. TP52 · Cascais TP52 performance Eight days of measured turn speed and recovery.
  3. Coastal · instrument analysis Coastal sailing performance Compare measured sailing in four locations.
  4. Training · instrument analysis Coastal training analysis Speed and wind observations from the Azores and Auckland.
  5. J/88 · instrument research J/88 Exile through the turns Tack speed, recovery, event comparisons, and an observed J/88 polar.
  6. Great Lakes · analysis How the Mac is won Weather, geography, and the route decisions that shape a race to Mackinac.
  7. Pacific · analysis How the race to Hawaii is won The strategic trade-offs behind a passage across the Pacific.
  8. Pacific · brief The Hawaii research summary The principal findings and practical implications in a shorter reading.
  9. Atlantic · analysis How the Bermuda Race is won Weather and routing questions on the way from Newport to Bermuda.

On the water

Sailing resources

Independent scoring checks ORC RaceFlow 2.0 WRS checker Inspect the arithmetic behind ORC’s Weather-Routed Scoring, powered by PredictWind routing. Check published time factors and download a report on your device. RegattaPages Public regattas Event pages, entries, and results published by organisers here. Saildex Historical results Browse imported race history, ratings, and sailor records.