3 power-packed workouts to help you nail a marathon PB

These workouts are perfect for boosting stamina and speed

Marathoners: test your aerobic fitness with this moderate distance workout

This is the perfect workout to test your fitness six to eight weeks out from your marathon

Natasha Wodak’s go-to marathon workouts

Wodak is building for her first marathon in seven years and looking to reclaim the Canadian half-marathon record in the process