. The hundreds-strong field is small enough to avoid the crowd problems of busier races, but not so sparse that runners are left on their own for long stretches. 5. Abingdon Marathon Where: Oxfordshire When: October 18Book early to join the growing
Half-Marathon. Keen marathon runners raring for a second helping of 26.2 will find satisfying challenges in Britain’s wilder corners, from Loch Ness to Snowdonia via forum favourites Beachy Head and Abingdon. November