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).
A rest at the wall between lengths. A rest, not an inactive length.