ReadonlyfromElapsed seconds from the activity's start (the Span pair).
ReadonlykindReadonlylabelReadonlytoWhere 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).
One continuous stretch of an activity. Its time and distance run between its own ends; its channel numbers come from the samples inside it (see sectionStats).