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SailLab

Trim your sails, not your data

Track, Analyze, and Improve Your Sailing Performance

Upload your GPS track and instantly see where you gained and lost time against your competitors — automatic race rankings, polar diagrams, and multi-boat replay.

Join the Beta on TestFlight
0+Boat Classes
0+Sailing Clubs
Post-session Analytics
Free During Beta

Features

Everything you need to track and analyze your sailing performance.

Race Rankings & Statistics

Race Rankings & Statistics

Upload your GPS track and SailLab finds your races, ranks every boat, and shows you top speeds and averages across the whole session.

  • Races detected automatically
  • Race-by-race rankings
  • Top speed and average speed leaderboards
  • Session overview with duration and team count
Start Line Analysis

Start Line Analysis

See exactly how each boat crossed the start line — distance to line, speed at gun, and time to line. Visualise positions at gun time with wind overlay.

  • Distance to line at gun time
  • Speed at gun for each team
  • Time to line comparison
  • Position at gun time with wind direction
Race Replay

Race Replay

Replay your races with synchronized multi-boat visualisation. Watch all boats move in real-time with a progression chart showing who's ahead.

  • Multi-boat animated replay
  • Compass with live wind direction
  • Progression chart overlay
  • Adjustable playback speed (up to 8x)
Speed & Symmetry Analysis

Speed & Symmetry Analysis

Compare port vs starboard tack performance and see how balanced each team sails. Break down VMG and SOG by upwind, downwind, and tack.

  • Port vs starboard symmetry
  • VMG and SOG comparison
  • Upwind and downwind breakdown
  • Team-by-team performance comparison
Leg-by-Leg Breakdown

Leg-by-Leg Breakdown

Dive into each upwind and downwind leg with detailed statistics. See where you gained or lost against the competition on every leg of the race.

  • Per-leg rankings and times
  • Upwind and downwind leg stats
  • Gain/loss analysis per leg
  • Summary with overall standings
Manoeuvre Analysis

Manoeuvre Analysis

Analyse every tack with distance lost, VMG charts, and head-to-head comparison. See exactly how your manoeuvres stack up against your competitors.

  • Distance lost per tack
  • VMG line charts for each team
  • Tack-by-tack comparison
  • Identify costly manoeuvres

Cloud Storage

Store your sessions securely in the cloud and access them from any device.

Advanced Analytics

Get detailed insights with duration, max speed, average speed, and distance metrics.

200+ Boat Classes

Pre-populated racing classes from J/70 to Laser, 49er, and more.

Multi-platform

Available now as a web app. iOS and Android apps coming soon.

How It Works

From upload to insight in three simple steps.

1

Upload GPS Data

Upload your VKX file from Vakaros, or a GPX file from any device that records it.

2

Automatic Analysis

SailLab finds your races, ranks the boats, and builds your speed polars — no manual work.

3

Review & Improve

View rankings, polar diagrams, and race playback to find your edge.

Frequently Asked Questions

Everything you need to know about SailLab.

Stop Guessing — See Exactly Where You Win and Lose Races

Free during beta. No credit card. Works with your existing VKX or GPX files.