Go From 5K to a 10K runnersworld.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from runnersworld.com Daily Mail and Mail on Sunday newspapers.
Strength Training for 5K: Your 4-Week Plan runnersworld.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from runnersworld.com Daily Mail and Mail on Sunday newspapers.
Learn more about VO2 max workouts, including what this metric means, the types of training that improve it, plus sessions to add to your schedule for a boost.