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Triple 6 long run

Duration: 18 miles as a fast-finish long run.

Method: 6 miles at 60secs per mile slower than marathon pace; 6 miles at 30secs per mile slower than marathon pace; 6 miles at marathon pace.

Result: periods of faster running separated with periods of easier running or resting actually boosts your fitness more than another steady plod.

Sustained tempo run

Duration: 50 minutes.

Method: 10 minutes very easy running followed by 40 minutes of sustained effort at around 70% of maximum effort. Think of it as  controlled discomfort.

Result: tempo running is unrivalled when it comes to developing speed endurance. The sustained ‘controlled discomfort’ teaches you to maintain a steady pace when the going gets tough.

Marathon pace mile repeats

Duration: 5 miles.

Method: 10 minutes easy warm-up, followed by 5 x 1 mile at marathon pace with 2 minutes of very slow running between each mile.

Result: a great way to get to grips with pace control.