1. Sit with the soles of your feet touching in front of you and your knees out to the sides.
2. Move your feet as close to your groin as possible. Your knees should be as close to the ground as possible.
3. If the stretch feels too easy, lean forward, as if to touch your nose to the ground. But be careful not to overdo it.
4. Hold the stretch for 15 to 30 seconds.
Get more running stretches.