The ideal cross training workout for runners who are already busy with their training schedule: a 30 minute cross training workout challenge. This cross training workout can be completed right at home with no equipment. These cardio exercises help you burn the maximum calories and increase strength in little time. The best cross training workout to incorporate with your running plan, this challenge will keep you strong for life! #crosstraining #crosstrainingworkouts #runnerscrosstraining ~ Burcu