Half Marathons Found In & Near Hertfordshire
View all ↓Half Marathons In & Near Hertfordshire 2025 - 2026
The most comprehensive list of Half Marathons in and near Hertfordshire in 2025 - 2026. Find your perfect race!
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Race Calendar: Half Marathons In & Near Hertfordshire
ATW Bedford Half Marathon & 10k
Russell Park, Bedford, Bedfordshire, MK40 3RHLondon Half & 10k Presented by TREK
LondonBattersea Park Half Marathon
LondonVictoria Park Half Marathon, 10k & 5k
LondonMoo-rathon, Calf and Hen K
Hyde Hall Farm, Buntingford, SG9 0RUATW Run Fest at Lee Valley
Lee Valley White Water Centre, Station Rd, Waltham Cross EN9 1ABRun the Wild Half Marathon - Spring
Tring, HertfordshireRUN Battersea Park Half Marathon Spring
Battersea Park next to the Bandstand - SW11 4NJVictoria Park Half Marathon, 10k & 5k
LondonThe Enigma Easter Series
Milton Keynes, BuckinghamshirePutney & Fulham Half Marathon
LondonATW Stevenage Spring Half Marathon & 10k
Ridlins Athletics Track, Woodcock Rd, Shephall, StevenageLee Valley Velo Park - April
London, Greater LondonHackney Half Marathon
LondonFarmmageddon - 5k - 10k - Half - Full - Ultra - 100 Mile Challenge
Hyde Hall Farm, Buntingford, SG9 0RUCircuit du Sore Legs (Track Event)
Wodson Park Sports Centre, Ware, Herts, SG12 0UQShow me the Manet Marathons & Half Marathon
Milton Keynes, BuckinghamshireATW St Albans Half Marathon #icelollyrun
Verulamium Park, St Albans AL1 2DLWendover Woods Half Marathon & 10k
Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQMK24 Midsummer RunFest
Milton Keynes, BuckinghamshireDunstable Downs Half Marathon
Dunstable, BedfordshireCock-a-doodle Dawdle - 5k,10k, Half Marathon, Full Marathon or Ultra Marathon
Hyde Hall Farm, Buntingford, SG9 0RULee Valley Velo Park - June
London, Greater LondonChiltern Ridge Half Marathon
Aylesbury, BuckinghamshireThe Railway Run Marathon, Half Marathon & 50km
Milton Keynes, BuckinghamshireFormula One Marathons, Half Marathon & 50km
Milton Keynes, BuckinghamshireWind in the Pillows Marathons & Half marathon
Milton Keynes, BuckinghamshireLee Valley Velo Park - August
London, Greater LondonFlying Scotsman Marathons & Half Marathons
Milton Keynes, BuckinghamshireEaling Half Marathon 2026
LondonLee Valley Velo Park - October
London, Greater LondonHertfordshire Half Marathon & 10k
Knebworth, HertfordshireLee Valley Velo Park - December
London, Greater LondonZodiac Run
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Richmond Park October 5k, 10k and Half Marathon
LondonEpping Forest Wildwood Trail Series Half Marathon & 10K
LondonEnigma Fireworks Marathons & Half Marathons
Milton Keynes, BuckinghamshireGremlins Christmas Half & Marathons
Milton Keynes, BuckinghamshireDie Hard Christmas Jumpers Marathon & Half Marathon
Milton Keynes, BuckinghamshireRelated 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.