Every manoeuvre, in metres
Distance lost in each tack and gybe, and how quickly you got back to target speed.
Sailing telemetry for sailors and coaches
See what your boat actually did.
SailTelemetry syncs GPS and motion data with your video and turns every session into numbers you can coach from: manoeuvre losses, starts, heel and VMG.
What you get
Starts you can replay
Distance to the line and boat speed at the signal, with the video lined up to the second.
Speed, heel and VMG
GPS and IMU data against your own polars, so you know which mode was actually fast.
Built for coaches
One view for the whole squad, comparing sailors on the same leg. Team licences for clubs and federations.
SailTelemetry Academy
All topics →A free coaching knowledge base: no login needed. Every lesson ends by showing how the topic looks in your own data.
Manoeuvres
Tacks, gybes and mark roundings: how to lose less distance in every turn and accelerate out of it faster.
Starts
Line bias, time-on-distance and acceleration: win the first minute of the race.
Trim and boat speed
Sail trim, VMG and polars: sail closer to your boat's potential in every wind range.
Boat handling and balance
Heel, pitch and steering: keep the boat flat and moving through the waves.