, but the Mayfly is actually pretty close to Nike founder Bill Bowerman’s vision of the perfect running shoe – one that would fall apart just beyond the finish line. And at £25, it’s also the cheapest serious running shoe for years.Contact: 0800 056 1640; www

.Contact www.nike.comNike Triax Swift – £80Simple and intuitive to use, the Triax Swift is perfect for marathons thanks to its 27-lap memory – a split for every mile – and the last 0.2. The Swift also has three countdown timers, which could be useful if you

from total time, lap time, HR or time of day.Contact: 0800 056 1640; www.nike.comReebok Precision Trainer £129.99Displays both HR in beats per minute and as a percentage of maximum HR.Press a single button while running and watch scans through maximum

heart rate that you're aiming for (eg 60 per cent for an easy run would be 150 x 0.60 = 90), and add it to your resting heart rate: 90 + 56 = 146. The final figure is your working heart rate. Sample Sessions: 60% Recovery run - this will feel slow