this with some speed, you need to turn to interval training.In an ideal world, you'd be able to use your HRM for every kind of training, but it's less than perfect for short intervals. Imagine running 8 x 1-minute reps with three-minute recoveries. Unfortunately

was created with these findings in mind. The result? A 60-minute pop mix to rhythmically guide you through your training. RUNNER'S WORLD Playlist no. 3: Pop Mix Power Run:The sequence of songs corresponds to an interval session made up of 10 four

with 5-10-minute walk recoveries. Keep effort times within 10-15 seconds of each other.Run a 5-mile time trial. Rest for 5 minutes. Do 2x1-mile at 5K time trial pace with 2 minutes’ rest.

minutes.You've got...30 minutesYou should: Run intervalsRunning fast burns more calories per minute than slow running, says Shah.Here's how Sprint for 20 seconds, then jog for 10 seconds. Repeat four to eight times. Walk for one minute. Repeat the sprint

training on Thursdays and a long run on Sundays. For interval repetitions, he runs 12 x 400 metres or 6 x 800 metres at slightly faster than his 5K race pace. On tempo days, he runs four miles at a pace that’s 10-20 seconds per mile slower than 10K race

’s trying to make it around the block four times, as well as the 36-minute 10K runner who’s training for a first marathon with long runs that stretch to 12 miles, then 16, then 20.The gradual-adaptation principle is deeply rooted in human physiology, and has

says. "If I do longer five- to eight-minute reps, I add some shorter hill sprints, or 30-second sprints just to break it up. I definitely look forward to sessions more now. Doing 10x1,000m straight can be quite hard, mentally." Combination workouts

energy reserves. Robinson notes that even during normal sessions of 1,000m or 1,600m reps he has been adding 5x1 minute at the end - fast. "It's great practice for cross country," he says.Your workout Aim for 3-4x1200m at 10K pace with a 400m recovery

a further 2-3 times.Warm-down: After the last 5-min interval do a 10-15-minute warm-down at 100rpm, with a low resistance. Keep sipping your drink until you get off the bike, then make yourself a protein shake immediately. Afterwards, take a hot

Q How do speed sessions benefit me? I’ve tried things like 400m repetitions at 5K pace, but as I never seem to be out of breath at the end of the session, surely they’re not doing me any good?A Many people think that they only need to do interval