Cross training is beneficial to marathon training and enables you to become a stronger, faster runner while preventing injury.
Best Cross-Training Exercises For Runners - Outside Online
53 Run Forrest Run (everything running) ideas
Cross Training for Runners - what to do & what to avoid
8 Ways to Cure and Prevent Pain from Shin Splints
Strength Training for Runners: Everything You Need To Know
Women's Running Magazine
Running, Strength Training and Injuries
StrengthTraining for Runners: Shepherd, John: 8601200512489: : Books
What are the Best Cross Training Exercises for Runners? - The Mother Runners
How Long Does It Take to Lose Your Running Fitness? - Runners Connect
Strength Training for Runners (Complete Programs and Plans)
Avoiding Runner Burnout