Darla returns to talk injuries, rehab, holding on to fitness through cross training, and refusing to ever give back or back down.

Can you just do classic track workouts on the trails? Sure. But sometimes you need something specifically designed for your off road racing needs!

On Tuesday we covered the workouts that give you solid fitness benefits with very little recovery costs. Today we are taking the opposite stance: workouts that are crazy costly but have the potential for big improvements to your fitness and/or confidence!

Minimum recovery costs; maximum fitness gain. These are the workouts we find to be most repeatable, manageable, and enjoyable! We choose multiple options each for Speed, Threshold, and Tempo sessions.

Running is hard! Are you playing to your strengths as a runner or just banging your head against the wall?

Kirk was in California crushing marathon workouts and big mountain runs. Brakken was in Sweden… cross training?

Scott H. Frey, Ph.D., Ed.M., is an award-winning scientist, mentor, and lifelong endurance athlete. For the past 30 years, he led a research program that focused on understanding the relationship between the brain and human performance and is now applying his methods to endurance athletes around the world.

Visit cerebralperformance.com to learn more.

Professional runner and Guinness World Record holder Michael Wardian talks goals, recent runs and races, and his work with World Vision on a clean water initiative.