ReadonlyfromElapsed seconds from the activity's start (the Span pair).
ReadonlykindReadonlylabelReadonlylapThe recorded lap it comes from.
ReadonlynumberIts number among the repeats, from 1.
ReadonlyrecoveryThe rest right after it (a recorded lap with no distance), or null.
ReadonlysourceReadonlytoWhere it starts and ends, in elapsed time and in distance.
The lengths swum in it.
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 effort: a recorded lap that covered distance, with its lengths and the rest that followed it.