ReadonlyfromElapsed seconds from the activity's start (the Span pair).
ReadonlyidThe lap's number in the recording, from 1.
ReadonlykindReadonlylabelReadonlyrecordedWhat the file recorded for the lap.
ReadonlytoWhere it starts and ends, in elapsed time and in distance.
Best efforts by pace: run.pace.bestEffort(km(5)).
Best efforts by power: ride.power.bestEffort(minutes(20)).
The measured values inside this stretch, by channel:
run.series.heartRate.
This stretch read for one athlete: intensity, load and zones from their settings in force on the activity's date.
The numbers for this stretch, on one time basis (elapsed by default).
A recorded lap: a Section plus what the device kept for it.