# speed(_:unit:metric:) Creates a new speed alert for the provided range. ``` static func speed(_ range: ClosedRange, unit: UnitSpeed, metric: WorkoutAlertMetric = .current) -> Self ``` ## Parameters `range` A closed range of speed values. `unit` The speed units used by the range. `metric` The metric used for the speed measurements. --- 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)