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
Bewl Water Autumn
Bewl Water Visitor Centre HQ, Bewl Water, Bewlbridge Ln, Lamberhurst, Wadhurst TN3 8JHWindsor Half Marathon 2025
Windsor, Windsor and MaidenheadWhitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun
Herne Bay, KentRUN Battersea Park Half Marathon
Battersea Park next to the Bandstand - SW11 4NJATW St Albans Half Marathon #icelollyrun
Verulamium Park, St Albans AL1 2DLDunstable Downs Half Marathon
Dunstable, BedfordshireCock-a-doodle Dawdle - 5k,10k, Half Marathon, Full Marathon or Ultra Marathon
Hyde Hall Farm, Buntingford, SG9 0RURunThrough Marlow Trail Run
Marlow, BuckinghamshireChiltern Ridge Half Marathon
Aylesbury, BuckinghamshireRun Dorney Lake Half Marathon, 10k & 5k - July
Windsor, BerkshireThe Railway Run Marathon, Half Marathon & 50km
Milton Keynes, BuckinghamshireFormula One Marathons, Half Marathon & 50km
Milton Keynes, BuckinghamshireThe Rasselbock 545
Oxford, OxfordshireMaidenhead Trail Run
Maidenhead, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - July
Windsor, BerkshireWind in the Pillows Marathons & Half marathon
Milton Keynes, BuckinghamshireNewbury Racecourse Half Marathon, 10k & 5k - August
Newbury, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - August
Windsor, BerkshireRun Dorney Lake Evening Runs 10k & 5k August
Windsor, BerkshireHenley River 10k, Half Marathon & Junior Race September 2026
Henley-on-Thames, OxfordshireBewl Water Autumn
Wadhurst, East SussexRun Dorney Lake Half Marathon, 10k & 5k - September
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - October
Windsor, BerkshireHampton Court Palace Half Marathon Presented by Nuun
East Molesey, Greater LondonHertfordshire Half Marathon & 10k
Knebworth, HertfordshireRun Dorney Lake Half Marathon, 10k & 5k - November
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - December
Windsor, BerkshireZodiac Run
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