SelfSyncLap message
A lap message summarizes a portion of a session: a lap triggered manually with the lap button, an automatic lap (every kilometer or mile for instance), or an interval of a structured workout. It holds the same kind of statistics as the session (time, distance, speed, heart rate, power, cadence, elevation…) for that portion only.
Fields
messageIndexStringIndex of the message among the messages of the same kind in the file, starting at 0. Other messages use it to reference this one.
Moment the lap ended, in UTC.
eventEnumKind of event: timer, lap, session, activity, workout step, course point, battery, gear change, rider position change…
46 possible values
lengthsessionactivityworkoutlapworkoutStepcoursePointbatteryfitnessEquipmenttimerpowerDownpowerUpoffCoursevirtualPartnerPacehrHighAlerthrLowAlertspeedHighAlertspeedLowAlertcadHighAlertcadLowAlertpowerHighAlertpowerLowAlertrecoveryHrbatteryLowtimeDurationAlertdistanceDurationAlertcalorieDurationAlertuserMarkersportPointcalibrationfrontGearChangerearGearChangeriderPositionChangeelevHighAlertelevLowAlertcommTimeoutautoActivityDetectdiveAlertdiveGasSwitchedtankPressureReservetankPressureCriticaltankLostradarThreatAlerttankBatteryLowtankPodConnectedtankPodDisconnected
eventTypeEnumWhat happened for the event: start, stop, stopAll, marker, begin or end of a depreciated range…
10 possible values
stopstartmarkerconsecutiveDepreciatedstopAllbeginDepreciatedendDepreciatedendAllDepreciatedstopDisablestopDisableAll
startTimeDateTimeMoment the period described by the message started.
Latitude where the period started, in semicircles (multiply by 180 / 2^31 to get degrees).
Longitude where the period started, in semicircles (multiply by 180 / 2^31 to get degrees).
Latitude where the period ended, in semicircles (multiply by 180 / 2^31 to get degrees).
Longitude where the period ended, in semicircles (multiply by 180 / 2^31 to get degrees).
Total duration from start to end, pauses included (wall-clock time).
Duration during which the timer was running, pauses excluded. This is the time usually displayed as the duration.
Total distance covered.
Total number of cycles: pedal revolutions, strides or strokes depending on the sport.
Total number of strides.
Total number of strokes (swimming, paddling, rowing).
Total number of wheelchair pushes.
Total energy expenditure.
Share of the total calories coming from fat.
avgSpeedFloat64Average speed: total distance divided by timer time.
maxSpeedFloat64Maximum speed reached.
Average heart rate, pauses excluded.
Maximum heart rate reached.
Average cadence: revolutions per minute for cycling, steps per minute for running (depending on the sport).
Average running cadence, in strides per minute.
Average swimming cadence, in strokes per minute.
Average cadence for paddle sports (kayak, SUP, rowing), in strokes per minute.
Average number of wheelchair pushes per minute.
Maximum cadence reached.
Maximum running cadence, in strides per minute.
Maximum swimming cadence, in strokes per minute.
Maximum cadence for paddle sports, in strokes per minute.
Maximum number of wheelchair pushes per minute.
Average power output.
Maximum power output.
Cumulated elevation gain.
Cumulated elevation loss.
intensityEnumIntensity of the period: active, rest, warmup, cooldown, recovery, interval or other.
7 possible values
intervalotheractiverestwarmupcooldownrecovery
lapTriggerEnumWhat ended the lap: manual press, time, distance, position, session end, fitness equipment…
9 possible values
timemanualfitnessEquipmentdistancepositionStartpositionLappositionWaypointpositionMarkedsessionEnd
sportEnumMain sport, such as running, cycling, swimming, hiking or training.
82 possible values
allrunningtransitiongenericcyclingfitnessEquipmentswimmingbasketballsoccertennisamericanFootballtrainingwalkingcrossCountrySkiingalpineSkiingsnowboardingrowingmountaineeringhikingmultisportpaddlingflyingeBikingmotorcyclingboatingdrivinggolfhangGlidinghorsebackRidinghuntingfishinginlineSkatingrockClimbingsailingiceSkatingskyDivingsnowshoeingsnowmobilingstandUpPaddleboardingsurfingwakeboardingwaterSkiingkayakingraftingwindsurfingkitesurfingtacticaljumpmasterboxingfloorClimbingbaseballdivingshootingwinterSportgrindinghiitvideoGamingracketwheelchairPushWalkwheelchairPushRunmeditationparaSportdiscGolfteamSportcricketrugbyhockeylacrossevolleyballwaterTubingwakesurfingwaterSportarcherymixedMartialArtsmotorSportssnorkelingdancejumpRopepoolApneamobilitygeocachingcanoeing
eventGroupUint8Groups related events together, so that start and stop events of the same group can be paired.
Latitude of the north-east corner of the bounding box containing the track, in semicircles.
Longitude of the north-east corner of the bounding box containing the track, in semicircles.
Latitude of the south-west corner of the bounding box containing the track, in semicircles.
Longitude of the south-west corner of the bounding box containing the track, in semicircles.
Number of pool lengths, rest lengths included.
Normalized power (NP): an estimate of the power that could have been sustained for the same physiological cost if the effort had been perfectly steady.
leftRightBalanceEnumPower contribution of the right leg, when the right bit is set, as a percentage of the total. The left leg makes up the rest.
2 possible values
rightmask
firstLengthIndexUint16messageIndex of the first pool length belonging to the lap.
Average distance covered at each stroke.
swimStrokeEnumSwimming stroke: freestyle, backstroke, breaststroke, butterfly, drill, mixed or IM.
9 possible values
freestylebackstrokebreaststrokebutterflydrillmixedimimByRoundrimo
subSportEnumRefinement of the sport, such as trail, treadmill or track for running, road, mountain or indoor for cycling, lapSwimming or openWater for swimming.
112 possible values
matchmapplatformalltracknavigatefieldgenerichiittreadmillstreettrailspinindoorCyclingroadmountaindownhillrecumbentcyclocrosshandCyclingtrackCyclingindoorRowingellipticalstairClimbinglapSwimmingopenWaterflexibilityTrainingstrengthTrainingwarmUpexercisechallengeindoorSkiingcardioTrainingindoorWalkingeBikeFitnessbmxcasualWalkingspeedWalkingbikeToRunTransitionrunToBikeTransitionswimToBikeTransitionatvmotocrossbackcountryresortrcDronewingsuitwhitewaterskateSkiingyogapilatesindoorRunninggravelCyclingeBikeMountaincommutingmixedSurfacetrackMesingleGasDivingmultiGasDivinggaugeDivingapneaDivingapneaHuntingvirtualActivityobstaclebreathingccrDivingsailRaceexpeditionultraindoorClimbingboulderingindoorGrindinghuntingWithDogsamrapemomtabataesporttriathlonduathlonbrickswimRunadventureRacetruckerWorkoutpickleballpadelindoorWheelchairWalkindoorWheelchairRunindoorHandCyclingiceultimatesquashbadmintonracquetballtableTennisoverlandtrollingMotorflyCanopyflyParaglideflyParamotorflyPressurizedflyNavigateflyTimerflyAltimeterflyWxflyVfrflyIfrdynamicApneaenduroruckingrallypoolTriathloneBikeEnduro
Number of pool lengths actually swum.
Total mechanical work produced.
avgAltitudeFloat64Average altitude.
maxAltitudeFloat64Highest altitude reached.
Estimated accuracy of the GPS position.
Average slope.
Average slope while climbing.
Average slope while descending.
Steepest uphill slope.
Steepest downhill slope.
Average ambient temperature measured by the device.
Highest ambient temperature measured by the device.
Time spent actually moving, excluding the time stopped even when the timer was running.
Average vertical speed while climbing.
Average vertical speed while descending.
Maximum vertical speed while climbing.
Maximum vertical speed while descending.
Time spent in each heart rate zone. The first element is the time below zone 1, then zone 1, zone 2 and so on.
Time spent in each speed zone.
Time spent in each cadence zone.
Time spent in each power zone. The first element is the time below zone 1, then zone 1, zone 2 and so on.
repetitionNumUint16Repetition number, when the lap is part of a repeated workout step.
minAltitudeFloat64Lowest altitude reached.
Minimum heart rate recorded.
Time spent actually moving or working, excluding rest periods and pauses.
wktStepIndexStringmessageIndex of the workout step the data belongs to, in the workout file.
avgSwolfUint16Average SWOLF (swim golf) score: strokes plus seconds needed to swim a length. The lower, the more efficient.
opponentScoreUint16Score of the opponent, for racket and team sports.
Number of strokes for each stroke type (serve, forehand, backhand, smash…), indexed by stroke type.
Number of hits for each zone, indexed by zone number.
Average vertical oscillation: how much the torso moves up and down at each step.
Average ground contact time, as a percentage of the step duration.
Average ground contact time: how long each foot stays on the ground at each step.
Fractional part of avgCadence, to add to it for a more precise value.
Fractional part of maxCadence, to add to it for a more precise value.
Fractional part of totalCycles, to add to it for a more precise value.
playerScoreUint16Score of the user, for racket and team sports.
Average total hemoglobin concentration, from a muscle oxygen sensor (one element per sensor).
Minimum total hemoglobin concentration, from a muscle oxygen sensor.
Maximum total hemoglobin concentration, from a muscle oxygen sensor.
Average muscle oxygen saturation (SmO2): share of hemoglobin carrying oxygen.
Minimum muscle oxygen saturation (SmO2).
Maximum muscle oxygen saturation (SmO2).
Average number of strokes per pool length.
Average torque effectiveness of the left leg: share of the pedal stroke producing positive power.
Average torque effectiveness of the right leg: share of the pedal stroke producing positive power.
Average pedal smoothness of the left leg: how evenly power is applied across the stroke.
Average pedal smoothness of the right leg: how evenly power is applied across the stroke.
Average pedal smoothness of both legs combined, for single-sided power meters.
frontGearShiftCountUint16Number of front derailleur shifts (electronic groupsets).
rearGearShiftCountUint16Number of rear derailleur shifts (electronic groupsets).
Total time spent standing on the pedals.
standCountUint16Number of times the rider moved from seated to standing.
Average platform center offset of the left foot: how far from the center of the pedal the force is applied.
Average platform center offset of the right foot: how far from the center of the pedal the force is applied.
Average start and end angles of the left pedal stroke portion producing positive power.
Average start and end angles of the left pedal stroke portion producing peak power.
Average start and end angles of the right pedal stroke portion producing positive power.
Average start and end angles of the right pedal stroke portion producing peak power.
Average power for each rider position (seated, standing).
Maximum power for each rider position (seated, standing).
Average cadence for each rider position (seated, standing).
Maximum cadence for each rider position (seated, standing).
Average speed, with a larger range than avgSpeed. Prefer it when present.
Maximum speed, with a larger range than maxSpeed. Prefer it when present.
Average altitude, with a larger range than avgAltitude. Prefer it when present.
Lowest altitude, with a larger range than minAltitude. Prefer it when present.
Highest altitude, with a larger range than maxAltitude. Prefer it when present.
Average motor power of the light electric vehicle (e-bike).
Maximum motor power of the light electric vehicle (e-bike).
Battery consumed by the light electric vehicle (e-bike).
Average vertical ratio: vertical oscillation divided by step length. The lower, the more efficient.
Average ground contact time balance between left and right foot.
Average step length.
Average VAM (velocità ascensionale media): the vertical ascent speed while climbing.
Average depth. 0 when above water.
Maximum depth reached. 0 when above water.
Lowest ambient temperature measured by the device.
Average respiration rate, with more precision than avgRespirationRate. Prefer it when present.
Maximum respiration rate, with more precision than maxRespirationRate. Prefer it when present.
avgRespirationRateUint8Average respiration rate, in breaths per minute.
maxRespirationRateUint8Maximum respiration rate, in breaths per minute.
Grit score: how difficult the trail was, based on its slopes and sharp turns. The higher, the harder.
Flow score: how smoothly the rider kept their momentum through the trail. The lower, the smoother.
jumpCountUint16Number of jumps detected.
Average grit score: difficulty of the trail per unit of distance.
Average flow score: how smoothly the rider kept their momentum.
Calories burned by the metabolism at rest during the period (basal metabolic rate), included in the total.
Fractional part of totalAscent, to add to it for a more precise value.
Fractional part of totalDescent, to add to it for a more precise value.
Average core body temperature, from a core temperature sensor.
Lowest core body temperature, from a core temperature sensor.
Highest core body temperature, from a core temperature sensor.
Average speed adjusted for the slope: the equivalent speed on flat ground for the same effort.
mesgNumStringGlobal message number identifying the kind of message. Decoders use it to know which profile to apply to the data.