Carrie Tollefson has had children, ran short races, long races and is an Olympian. She is also one of the broadcasters for Grandma's Marathon. Here she offers some Strength Training for people of every walk and training.

Here she has Personal Trainer Kirk DeWindt with several strength training exercises for endurance runners. This is an 8-exercise routine will help to build and shape the muscles that support you while you run. You know what they say, have a strong core and it will help you run faster and farther.

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