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# HKWorkoutActivityType.swimBikeRun

The constant for multisport activities like triathlons.

```
case swimBikeRun
```

## Discussion

Use this constant to create workouts that contain the [`HKWorkoutActivityType.swimming`](/documentation/HealthKit/HKWorkoutActivityType/swimming), [`HKWorkoutActivityType.cycling`](/documentation/HealthKit/HKWorkoutActivityType/cycling), and [`HKWorkoutActivityType.running`](/documentation/HealthKit/HKWorkoutActivityType/running) activities. These activities can happen in any order. For more information, see [`HKWorkoutActivity`](/documentation/HealthKit/HKWorkoutActivity). HealthKit provides optimized calorie calculations for this activity based on the data from Apple Watch’s sensors.

---

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