SwiftUI: How to create a multiple timer app with a list of timers and how to jump between the timer views

I just created a timer app for me and my friends with multiple timers. To navigate between these timers i created a list for each timer in an array of timerObjects instanzes.

struct ContentView: View {
    
    private let timers = [TimerObject(name: "Kuchen", duration: 15), TimerObject(name: "Atem anhalten", duration: 30), TimerObject(name: "Abflug", duration: 7200)]
   
    
    var body: some View {
        NavigationView {
            List(timers, id: \.id) { timer in
                NavigationLink {
                    TimerView(timerObject: timer)
                } label: {
                    Text(timer.name)
                }
            }
        }
    }
}

The TimerView() is just the view that handels and present the whole thing behind the timer.

My Problem now is now: if i start a timer in the TimerView() and than go back to the list and than go back to the started timer, i get a new instanz of my timer and the TimerView() don´t show me the started timer. My goal is to go back to the started timer!

To clarify my problem, I also recorded my problem once and uploaded it to youtube so that you can see it too: https://youtu.be/bdh-122-Jx0

I would be very happy about help. Best regards!