Half Marathon December 2024 Uk. The 21.1km / 13.1 mile half marathon is a popular long distance running event that doesn't need the same level as training that a full marathon does. With the largest calendar of marathons, half marathons, 10k's, 5k's, triathlons, ironmans, sportives, trail runs, aquathlons, adventure races (and much more) in the uk.
Find your perfect race here! Salisbury plain is the largest military training.