diff --git a/TODO/WorkoutPlusWatch/Assets.xcassets/AccentColor.colorset/Contents.json b/TODO/WorkoutPlusWatch/Assets.xcassets/AccentColor.colorset/Contents.json
new file mode 100644
index 0000000..eb87897
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Assets.xcassets/AccentColor.colorset/Contents.json
@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/TODO/WorkoutPlusWatch/Assets.xcassets/AppIcon.appiconset/Contents.json b/TODO/WorkoutPlusWatch/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 0000000..49c81cd
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "watchos",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/TODO/WorkoutPlusWatch/Assets.xcassets/Contents.json b/TODO/WorkoutPlusWatch/Assets.xcassets/Contents.json
new file mode 100644
index 0000000..73c0059
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/TODO/WorkoutPlusWatch/Views/ControlsView.swift b/TODO/WorkoutPlusWatch/Views/ControlsView.swift
new file mode 100644
index 0000000..8f10fae
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Views/ControlsView.swift
@@ -0,0 +1,30 @@
+import SwiftUI
+
+struct ControlsView: View {
+	var body: some View {
+		HStack {
+			VStack {
+				Button {
+				} label: {
+					Image(systemName: "xmark")
+				}
+				.tint(Color.red)
+				.font(.title2)
+				Text("End")
+			}
+			VStack {
+				Button {
+				} label: {
+					Image(systemName: "pause")
+				}
+				.tint(Color.yellow)
+				.font(.title2)
+				Text("Pause")
+			}
+		}
+	}
+}
+
+#Preview {
+	ControlsView()
+}
diff --git a/TODO/WorkoutPlusWatch/Views/ElapsedTimeView.swift b/TODO/WorkoutPlusWatch/Views/ElapsedTimeView.swift
new file mode 100644
index 0000000..61c81c8
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Views/ElapsedTimeView.swift
@@ -0,0 +1,47 @@
+import SwiftUI
+
+struct ElapsedTimeView: View {
+	var elapsedTime: TimeInterval = 0
+	var showSubseconds: Bool = true
+	@State private var timeFormatter = ElapsedTimeFormatter()
+
+	var body: some View {
+		Text(NSNumber(value: elapsedTime), formatter: timeFormatter)
+			.fontWeight(.semibold)
+			.onChange(of: showSubseconds) { _, newValue in
+				timeFormatter.showSubseconds = newValue
+			}
+	}
+}
+
+class ElapsedTimeFormatter: Formatter {
+	let componentsFormatter: DateComponentsFormatter = {
+		let formatter = DateComponentsFormatter()
+		formatter.allowedUnits = [.minute, .second]
+		formatter.zeroFormattingBehavior = .pad
+		return formatter
+	}()
+	var showSubseconds = true
+
+	override func string(for value: Any?) -> String? {
+		guard let time = value as? TimeInterval else {
+			return nil
+		}
+
+		guard let formattedString = componentsFormatter.string(from: time) else {
+			return nil
+		}
+
+		if showSubseconds {
+			let hundredths = Int((time.truncatingRemainder(dividingBy: 1)) * 100)
+			let decimalSeparator = Locale.current.decimalSeparator ?? "."
+			return String(format: "%@%@%0.2d", formattedString, decimalSeparator, hundredths)
+		}
+
+		return formattedString
+	}
+}
+
+#Preview {
+	ElapsedTimeView()
+}
diff --git a/TODO/WorkoutPlusWatch/Views/MetricsView.swift b/TODO/WorkoutPlusWatch/Views/MetricsView.swift
new file mode 100644
index 0000000..f7fc307
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Views/MetricsView.swift
@@ -0,0 +1,37 @@
+import SwiftUI
+
+struct MetricsView: View {
+	var body: some View {
+		VStack(alignment: .leading) {
+			ElapsedTimeView()
+			Text(
+				Measurement(
+					value: 47,
+					unit: UnitEnergy.kilocalories)
+				.formatted(
+					.measurement(
+						width: .abbreviated,
+						usage: .workout,
+						numberFormatStyle: .number)))
+			Text(153.formatted(.number.precision(.fractionLength(0))) + " bpm")
+			Text(
+				Measurement(
+					value: 515,
+					unit: UnitLength.meters)
+				.formatted(
+					.measurement(
+						width: .abbreviated,
+						usage: .road)))
+		}
+		.font(.system(.title, design: .rounded)
+			.monospacedDigit()
+			.lowercaseSmallCaps())
+		.frame(maxWidth: .infinity, alignment: .leading)
+		.ignoresSafeArea(edges: .bottom)
+		.scenePadding()
+	}
+}
+
+#Preview {
+	MetricsView()
+}
diff --git a/TODO/WorkoutPlusWatch/Views/SessionPagingView.swift b/TODO/WorkoutPlusWatch/Views/SessionPagingView.swift
new file mode 100644
index 0000000..2736419
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Views/SessionPagingView.swift
@@ -0,0 +1,22 @@
+import SwiftUI
+import WatchKit
+
+struct SessionPagingView: View {
+	@State private var selection: Tab = .metrics
+
+	enum Tab {
+		case controls, metrics, nowPlaying
+	}
+
+	var body: some View {
+		TabView(selection: $selection) {
+			ControlsView().tag(Tab.controls)
+			MetricsView().tag(Tab.metrics)
+			NowPlayingView().tag(Tab.nowPlaying)
+		}
+	}
+}
+
+#Preview {
+	SessionPagingView()
+}
diff --git a/TODO/WorkoutPlusWatch/Views/StartView.swift b/TODO/WorkoutPlusWatch/Views/StartView.swift
new file mode 100644
index 0000000..38def58
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/Views/StartView.swift
@@ -0,0 +1,57 @@
+import SwiftUI
+import HealthKit
+
+struct StartView: View {
+	var workoutTypes: [HKWorkoutActivityType] = [
+		.running,
+		.traditionalStrengthTraining,
+		.functionalStrengthTraining,
+		.yoga,
+		.cycling,
+	]
+
+	var body: some View {
+		NavigationStack {
+			List(workoutTypes) { workoutType in
+				NavigationLink {
+					SessionPagingView()
+				} label: {
+					Label(workoutType.name, systemImage: workoutType.iconName)
+				}
+				.padding(EdgeInsets(top: 15, leading: 5, bottom: 15, trailing: 5))
+			}
+			.listStyle(.carousel)
+			.navigationBarTitle("Workout+")
+		}
+	}
+}
+
+extension HKWorkoutActivityType: @retroactive Identifiable {
+	public var id: UInt { rawValue }
+
+	var name: String {
+		switch self {
+		case .running: return "Run"
+		case .traditionalStrengthTraining: return "Strength"
+		case .functionalStrengthTraining: return "Functional"
+		case .yoga: return "Yoga"
+		case .cycling: return "Cycling"
+		default: return "Workout"
+		}
+	}
+
+	var iconName: String {
+		switch self {
+		case .running: return "figure.run"
+		case .traditionalStrengthTraining: return "figure.strengthtraining.traditional"
+		case .functionalStrengthTraining: return "figure.strengthtraining.functional"
+		case .yoga: return "figure.yoga"
+		case .cycling: return "figure.outdoor.cycle"
+		default: return "figure.mixed.cardio"
+		}
+	}
+}
+
+#Preview {
+	StartView()
+}
diff --git a/TODO/WorkoutPlusWatch/WorkoutPlusWatchApp.swift b/TODO/WorkoutPlusWatch/WorkoutPlusWatchApp.swift
new file mode 100644
index 0000000..66741fb
--- /dev/null
+++ b/TODO/WorkoutPlusWatch/WorkoutPlusWatchApp.swift
@@ -0,0 +1,10 @@
+import SwiftUI
+
+@main
+struct WorkoutPlusWatchApp: App {
+	var body: some Scene {
+		WindowGroup {
+			StartView()
+		}
+	}
+}