improvements, often four to six per cent. No surprise there. Interval training has been a favourite of top coaches and runners since the end of World War II. This type of training involves fast intervals of two minutes to 10 minutes at about your two-mile race

improvements, often four to six per cent. No surprise there. Interval training has been a favourite of top coaches and runners since the end of World War II. This type of training involves fast intervals of two minutes to 10 minutes at about your two-mile race

or over precise distances, but it’s worth having a rough idea of how far you are running on each effort.If you can’t measure the distance, just run your efforts by time (eg for one mile, do six- to seven-minute efforts; for 800m, run for three to four

Here are the schedules for the pace groups for the Robin Hood Half-Marathon.RUNNER’S WORLD will have pace groups of 1:30, 1:45, 2:00 and 2:15 at the race.1:30 pace | 1:45 pace | 2:00 pace | 2:15 pacePACING CHARTHere are suggested paces for your

Here are the schedules for the pace groups for the Robin Hood Half-Marathon.RUNNER’S WORLD will have pace groups of 1:30, 1:45, 2:00 and 2:15 at the race.Refer to the pace charts for exact speeds.1:30 pace | 1:45 pace | 2:00 pace | 2:15 pace

Here are the schedules for the pace groups for the Robin Hood Half-Marathon.RUNNER’S WORLD will have pace groups of 1:30, 1:45, 2:00 and 2:15 at the race.Refer to the pace charts for exact speeds.1:30 pace | 1:45 pace | Beginner's pacePace Chart

Here are the schedules for the pace groups for the Robin Hood Half-Marathon.RUNNER’S WORLD will have pace groups of 1:30, 1:45, 2:00 and 2:15 at the race.Refer to the pace charts for exact speeds.1:30 pace | 1:45 pace | 2:00 pace | 2:15 pace

Here are the schedules for the pace groups for the Robin Hood Half-Marathon.RUNNER’S WORLD will have pace groups of 1:30, 1:45, 2:00 and 2:15 at the race.Refer to the pace charts for exact speeds.1:30 pace | 1:45 pace | 2:00 pace | 2:15 pace

Here are the schedules for the pace groups for the Robin Hood Half-Marathon. RUNNER’S WORLD will have pace groups of 1:30, 1:45, 2:00 and 2:15 at the race. Refer to the pace charts for exact speeds.1:30 pace | 1:45 pace | Beginner's pacePace Chart

Weight 340gEvaluation Primarily a manufacturer of walking shoes, Merrell has dabbled in the trail running market with limited success. Undeterred, it is now entering the already crowded road shoe category by introducing the Flash. In an effort