⛵ Kukulkan — Sailing Coach

Brockville YC · St. Lawrence River

⬆ Import races

New race analysis

Upload Vakaros CSV or Njord-enriched CSV

Upload race data

Anthropic API key (used once per analysis, never stored on server)

📂

Drop CSV here or tap to choose

Vakaros export · Njord enriched CSV · auto-detected

⛵

Parsing instrument data…

Kukulkan — Race Analysis

Race summary

⚠ Data notes & caveats ▼ expand

Coach summary

GPS track & race replay

Upwind Downwind Reach Error

0:00

SOG & VMC timeline

Error windows in red · vertical line follows scrubber position

SOGVMCError zone

Time & distance loss by event

Coach reads this as

Row-level event detection · benchmark = top-quartile VMC · tap a row to see location on track

Event	Leg	Window	Dur.	Avg VMC	Bench	Min lost	Boat lengths

Downwind performance by angle band

Coach reads this as

GPS-inferred VMC by TWA band · downwind legs only

TWA approximate — treat as zones not precise values

TWA Band	Rows	Avg SOG	Avg VMC	VMC/SOG	vs R1	Reading

VMC vs TWA scatter

Coach reads this as

UpwindDownwindReach

Coaching findings

Race priorities

What to watch next race

Comparable race to race

Metric	This race	Target

⛵ Kukulkan — Sailing Coach

Season trends

New race analysis

Upload race data

Kukulkan — Race Analysis

Race summary

Coach summary

GPS track & race replay

Time & distance loss by event

Downwind performance by angle band

VMC vs TWA scatter

Coaching findings

Race priorities