About
ChartedSails is a purpose-built sailing analytics platform that converts raw GPS data into actionable performance insights for sailors, coaches, and racing teams. By uploading a GPS track, the platform automatically detects races, breaks them into starts, upwind legs, and downwind legs, and computes precise metrics including speed over ground, true wind angle (TWA), velocity made good (VMG), and distance gained or lost against competitors. The platform's Automated Performance Numbers feature segments each session into straight-line intervals and maneuvers, enabling sailors to pinpoint exactly where time was gained or lost on the water. Sailing Reports summarize each session with weather context, a scoresheet, start analysis, and leg-by-leg breakdowns — exportable as PDF and shareable in one tap. For coaches and training groups, ChartedSails offers a Groups feature that aggregates data from multiple boats automatically, enabling side-by-side comparisons in identical conditions without manual file sharing. A unique Video Synchronization feature lets users align onboard GoPro or phone footage with their GPS track replay, making it easy to jump to any tack, mark rounding, or race start and see exactly what happened. ChartedSails works across web and mobile (iOS and Android), with data syncing automatically between devices. It is trusted by top-level tacticians, America's Cup teams, regatta organizers, and coaches across multiple fleets including TP52s and J70s. Whether you're a competitive racer looking to fine-tune boat speed or a coach delivering structured post-race debriefs, ChartedSails brings professional-grade analysis to every level of the sport.
Key Features
- Automated Race & Leg Detection: Automatically identifies races within GPS tracks and breaks them down into starts, upwind, and downwind legs with precise timing and performance data.
- Performance Metrics Dashboard: Surfaces key sailing metrics — speed over ground, true wind angle, velocity made good, and distance gained or lost — for every segment of a session.
- Sailing Reports: Generates structured session summaries including weather, scoresheets, start analysis, and leg-by-leg breakdowns as shareable PDFs or in-app reports.
- Video Synchronization: Syncs onboard video (GoPro or phone) with the GPS track replay so you can jump to any moment — a tack, start, or mark rounding — and see exactly what happened.
- Group & Coaching Features: Coaches and clubs can create groups where all participants' data is aggregated automatically, enabling side-by-side boat comparisons without manual file sharing.
Use Cases
- Competitive sailors reviewing GPS race data to identify tactical gains and losses on each leg of a race.
- Sailing coaches running post-race debriefs with athletes using side-by-side boat comparisons and automated performance reports.
- Racing teams preparing for regattas by analyzing maneuver quality, VMG efficiency, and start timing from recent training sessions.
- Sailing clubs organizing group clinics and sharing synchronized data and replay access with all participants automatically.
- Individual sailors fine-tuning rig setup and sail trim by reviewing detailed speed and angle data across multiple sessions.
Pros
- End-to-End Race Analysis: Automatically handles the full analysis pipeline from raw GPS upload to structured race reports, saving hours of manual data processing.
- Cross-Platform & Seamless Sync: Works on web, iOS, and Android with automatic data synchronization, so sailors can log sessions on the water and review them in detail on desktop.
- Built for Coaching & Teams: Group features let coaches compare multiple boats in the same conditions without any file sharing friction, making post-race debriefs fast and data-driven.
- Trusted by Elite Sailors: Endorsed and used by top-level tacticians, America's Cup teams, and professional coaches across multiple competitive fleets.
Cons
- Sailing-Only Use Case: The platform is exclusively designed for sailing analytics and offers no value for athletes or coaches in other sports or activities.
- GPS Data Dependency: Accurate analysis requires quality GPS track files; results may be limited by the resolution or accuracy of the recording device used.
- Limited Transparency on Pricing: Pricing tiers and feature limitations between free and paid plans are not clearly detailed on the public-facing website.
Frequently Asked Questions
What GPS devices or file formats does ChartedSails support?
ChartedSails is compatible with all major sailing GPS equipment. You can upload track files from dedicated GPS loggers, sailing instruments, or record directly using the ChartedSails mobile app on iOS or Android.
How does ChartedSails detect races automatically?
The platform uses algorithms to analyze GPS track data for patterns consistent with race starts, upwind and downwind legs, and mark roundings. When available, gun times and pings from your file are used; otherwise the system estimates them automatically.
Can coaches use ChartedSails for group training sessions?
Yes. Coaches can create a group, share a code with athletes, and all GPS data is aggregated automatically. The platform enables side-by-side boat comparisons, maneuver breakdowns, and shared replay access without any manual file coordination.
Does ChartedSails support video synchronization?
Yes. You can upload onboard video from a GoPro or phone and ChartedSails will automatically sync it with your GPS track replay. You can then jump to any moment — a tack, start, or mark rounding — to see exactly what happened on the water.
Is there a mobile app available?
Yes. ChartedSails is available on both the App Store (iOS) and Google Play (Android). The app lets you record GPS tracks, ping marks, and start the race timer on the water, with full analysis available on the web desktop interface.
