How to do each workout: See the exercises and circuits below. Repeat each exercise for 30 seconds, followed by a 15-second rest between moves, for a 5-minute circuit. You can add one circuit to the end of your run as a finisher or use it as a part of your cross-training workouts.

• X-Mountain Climber
• Squat Thrust
• Plank March
• Windshield Wiper
• Crab Kick