PM5 force curves

Replay a saved log not connected

Record a Concept2 PM5 from this page: every stroke's force curve, live, with nothing to install. Rows are kept in this browser and leave it only as files saved on your own computer or phone. Nothing is sent anywhere.

Close ErgData and any other rowing app: the PM5 talks to one app at a time, and a Bluetooth symbol on its screen means something is still connected.
Wake the PM5 by pressing a button, then press Connect to PM5 and pick it from the list.
Set up a piece below if you like, row, and end the piece on the monitor (Menu). It is saved here a minute or so after the PM5 reports the end.

Heart rate appears only when a belt or watch broadcast is paired with the PM5 itself.

This is a hobby project, not coaching or medical advice. The shape targets are guides from published rowing research, the fitness numbers are rough estimates, and rowing hard carries the usual risks, so row within your own limits and talk to a professional about your health. The software is offered as is, under the MIT licence, and its authors accept no liability for its use.

Set up the PM5: named or type

Guided session

use the warm-up as a readiness check (optional) voice

Force curve

Curve Smoothing Compare to

this stroke last 8 strokes session average reference

Curve shape, this stroke

Targets RP3 bands mass kg

Stroke	Drive m	Drive s	Recov s	Ratio	Dist/stroke m	Peak lbf	Avg lbf	Work J	Power W	Peak pos	Rect idx	HR

Watts at a set heart rate, and a VO2max estimate

mass (kg) max heart rate (optional) resting heart rate (optional) easy-row ceiling, bpm (optional)

what these numbers meanThe watts at a heart rate near the one you rowed at is the number to trust. The VO2max is a model estimate and has not been checked against a laboratory measurement.

Saved rows

none yet

The session JSON has every stroke with its force curves; the raw log has every Bluetooth message and can rebuild the session later.

Add rows from files