Race guides / Flat and fast

Fast half marathons in the UK.

Half marathons in the UK on flat courses, ranked by total climb. The UK has more road halves than marathons, so there is a flat one within reach for most runners in most months. 11 flat half marathons in United Kingdom, racing from 28 Feb to 10 Oct 2027. The flattest, Manchester Half Marathon, climbs 40 m in total.