🇬🇧 United Kingdom: half marathons
250 races scheduled between October 2026 and November 2027. Every race lists dates, locations, distances and official links; the list is updated daily.
06DEC 26HALF
Milton Keynes Winter Half MarathonMilton Keynes · United Kingdom · in 46 days
12DEC 26HALF10K5KRegistration open
Run Dorney Lake Half Marathon, 10k & 5k December 2026Windsor · United Kingdom · in 52 days · 21K · £34
13DEC 26HALF10KRegistration open
ATW Stevenage Winter Half Marathon & 10kStevenage · United Kingdom · in 53 days · 21K · €39
13DEC 26HALF
Keyworth Scouts Turkey Trot Half MarathonNottingham · United Kingdom · in 53 days
20DEC 26MARATHON21K12K
Portsmouth Coastal Waterside MarathonTipner · United Kingdom · in 60 days
27DEC 26MARATHON21K10K5K
Sunrise to Sunset ChallengeShrewsbury · United Kingdom · in 67 days