Half Marathons Found in the South East
View all ↓Half Marathons In the South East 2025 - 2026
The most comprehensive list of Half Marathons in the South East in 2025 - 2026 and South of England including Half Marathons in London, Southampton, Oxford, Reading, Portsmouth, Brighton and Slough. Find your perfect race!
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Race Calendar: Half Marathons In the South East
PHOENIX - Summer Marathon & Half Marathon
Walton-on-Thames, SurreyThe River Run
The Adur Recreation Ground - Shoreham-by-Sea, West SussexBewl Water Autumn
Wadhurst, East SussexFlying Scotsman Marathons & Half Marathons
Milton Keynes, BuckinghamshireRun Dorney Lake Half Marathon, 10k & 5k - September
Windsor, BerkshireEaling Half Marathon 2026
LondonRun Dorney Lake Half Marathon, 10k & 5k - October
Windsor, BerkshireHampton Court Palace Half Marathon Presented by Nuun
East Molesey, Greater LondonTop Gun 40th Anniversary Marathons & Half Marathons
Milton Keynes, BuckinghamshireLee Valley Velo Park - October
London, Greater LondonAndover Half Marathon & 12km
14-4 High St, Andover SP10 1LJHertfordshire Half Marathon & 10k
Knebworth, HertfordshireRun Dorney Lake Half Marathon, 10k & 5k - November
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - December
Windsor, BerkshireLee Valley Velo Park - December
London, Greater LondonZodiac Run
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