# init(activity:location:distance:time:) Creates a new pacer workout for the specified distance and time. ``` init(activity: HKWorkoutActivityType, location: HKWorkoutSessionLocationType = .unknown, distance: Measurement, time: Measurement) ``` ## Parameters `activity` The workout activity type. `location` The workout location. `distance` The distance goal for the workout. `time` The time goal for the workout. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)