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# distanceCycling

A quantity sample type that measures the distance the user has moved by cycling.

```
static let distanceCycling: HKQuantityTypeIdentifier
```

## Discussion

These samples use length units (described in [`HKUnit`](/documentation/HealthKit/HKUnit)) and measure cumulative values (described in [`HKQuantityAggregationStyle`](/documentation/HealthKit/HKQuantityAggregationStyle)). During outdoor cycling workouts, the system automatically records distance samples on Apple Watch. During indoor cycling workouts, the system automatically records distance samples on Apple Watch when connected to a peripheral that provides cycling speed. Sample data may be condensed and/or coalesced by HealthKit. For more information, see <doc://com.apple.healthkit/documentation/HealthKit/accessing-condensed-workout-samples>.

## See Also

[`HKQuantityTypeIdentifier`](/documentation/HealthKit/HKQuantityTypeIdentifier)

The identifiers that create quantity type objects.

[`HKQuantitySample`](/documentation/HealthKit/HKQuantitySample)

A sample that represents a quantity, including the value and the units.

[`HKQuantity`](/documentation/HealthKit/HKQuantity)

An object that stores a value for a given unit.


---

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