Do each exercise for 40 seconds followed by a rest of 20 seconds.
- Plank Walk-ups (core)
- Bridges (glutes)
- Bird Dog (core)
- Bicycle Crunches (side core)
- Plank + Knee to Elbow (core)
- Right Side Plank with a Twist (side core)
- Left Side Plank with a Twist (side core)
- Windshield Wipers (side core)
- Double Crunches (core)
- Leg Lifts (low core)
Based off of 10-Minute Core Workout Routine for Runners (video)