Even when training for a marathon, speed work is not to be underestimated.
This workout will tell you exactly how fit you are.
Break free from the monotony of the one-lap interval.
Learn how to fit your shorter training blocks into the bigger picture.
Running on the track doesn't have to be fun, but it's worth the effort.
Get in the best off-road running shape of your life!
The short answer is: probably not!
Matt Fitzgerald explains the difference between a fast pace and hard effort during a progression run or other types of high intensity