Half Marathons Found In & Near Hertfordshire
View all ↓Half Marathons In & Near Hertfordshire 2026 - 2027
The most comprehensive list of Half Marathons in and near Hertfordshire in 2026 - 2027. Find your perfect race!
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Race Calendar: Half Marathons In & Near Hertfordshire
MK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United KingdomChiltern Ridge Half Marathon
Aylesbury, BuckinghamshireBattersea Park 10k & Half Marathon
LondonThe Railway Run Marathon, Half Marathon & 50km
Milton Keynes, BuckinghamshireRichmond Park July 5k,10k and Half Marathon
London, Greater LondonFormula One Marathons, Half Marathon & 50km
Milton Keynes, BuckinghamshireVictoria Park Half Marathon, 10k & 5k
LondonWind in the Pillows Marathons & Half marathon
Milton Keynes, BuckinghamshireBattersea Park 10k & Half Marathon
LondonRichmond Park Half Marathon
Richmond, SurreyLee Valley Velo Park - August
London, Greater LondonWendover Woods Running Festival
Aylesbury, BuckinghamshireATW Bedford Running Festival
Russell Park, The Embankment, Bedford MK40 3RHRichmond Park September 5k, 10k and Half Marathon
London, Greater LondonFlying Scotsman Marathons & Half Marathons
Milton Keynes, BuckinghamshireRichmond Park Half Marathon
Richmond, SurreyBattersea Park 10k & Half Marathon
LondonClapham Common 5k, 10k & Half Marathon
LondonEaling Half Marathon 2026
LondonVictoria Park Half Marathon, 10k & 5k
LondonATW Welwyn Half Marathon & 10k
Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XERun the Wild Half Marathon - Autumn
Tring, HertfordshireLee Valley Velo Park - October
London, Greater LondonTop Gun 40th Anniversary Marathons & Half Marathons
Milton Keynes, BuckinghamshireRichmond Park Half Marathon
Richmond, SurreyBATTERSEA PARK RUNNING FESTIVAL
LondonRichmond Half Marathon Autumn
Old Deer Park - Richmond Upon Thames TW9 2SFATW Bedford 10k & Half Marathon
Russell Park, Bedford, Bedfordshire, MK40 3RHHertfordshire Half Marathon & 10k
Knebworth, HertfordshireEnigma Fireworks Marathons & Half Marathons
Milton Keynes, BuckinghamshireVictoria Park Half Marathon, 10k & 5k
LondonBattersea Park Half Marathon
LondonFINSBURY PARK 5K, 10K & HALF MARATHON
LondonGremlins Christmas Half & Marathons
Milton Keynes, BuckinghamshireBattersea Park Half Marathon
LondonVictoria Park Half Marathon, 10k & 5k
LondonRichmond Park Half Marathon
Richmond, SurreyLee Valley Velo Park - December
London, Greater LondonDie Hard Christmas Jumpers Marathon & Half Marathon
Milton Keynes, BuckinghamshireWinter Enigma Marathon & Half Marathon
Milton KeynesATW Bedford Half Marathon & 10k
Russell Park, Bedford, Bedfordshire, MK40 3RHRelated Pages on Find A Race
If you still haven’t found what you’re looking for here are a few suggestions: broaden your search and take a look at the South East or South West of England if you’re willing and able to travel a bit further. If you’re in the Hertfordshire area but fancy something a bit shorter then check out our Hertfordshire 10k Runs page. If you’re happy to travel or you want to build a race into a trip away then check out our UK-wide Half Marathons calendar and you can refine and filter your search from there.