API Reference > bentleyjs-core > Utils > BeDuration > race race MethodStatic Utility function to wait for either the specified time or a promise, whichever resolves first race<T>(ms: number, promise: PromiseLike<T>): Promise<T | void> Parameter Type Description ms number Maximum duration in milliseconds to wait promise PromiseLike<T> A pending promise to wait for Returns - Promise<T | void> Promise that resolves after the specified wait period or the provided promise resolves, whichever comes first Defined in core/bentley/src/Time.ts Line 53 Last Updated: 15 June, 2021