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!
Top Tip: Viewing this page in the default “Featured view” will show you all the Best Half Marathons in and around Hertfordshire. If you’re ready to set yourself a challenge right now then switching to “Bookable view” will show you those that can be booked instantly and securely through Find A Race. Guarantee your place today and get training :-)
Race Calendar: Half Marathons In & Near Hertfordshire
The Milton Keynes 5k, 10k and Half Marathon Winter Warmer Run
Milton KeynesRichmond Park Half Marathon
LondonLee Valley Velo Park - April
London, Greater LondonHackney Half Marathon
LondonFarmmageddon - 5k - 10k - Half - Full - Ultra - 100 Mile Challenge
Hyde Hall Farm, Buntingford, SG9 0RURichmond Park Half Marathon
LondonBattersea Park 10k & Half Marathon
LondonCircuit du Sore Legs (Track Event)
Wodson Park Sports Centre, Ware, Herts, SG12 0UQShow me the Manet Marathons & Half Marathon
Milton Keynes, BuckinghamshireBattersea Park 10k & Half Marathon
LondonATW 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 LondonRichmond Park Half Marathon
LondonChiltern Ridge Half Marathon
Aylesbury, BuckinghamshireThe Railway Run Marathon, Half Marathon & 50km
Milton Keynes, BuckinghamshireBattersea Park 10k & Half Marathon
LondonFormula One Marathons, Half Marathon & 50km
Milton Keynes, BuckinghamshireWind in the Pillows Marathons & Half marathon
Milton Keynes, BuckinghamshireBattersea Park 10k & Half Marathon
LondonLee Valley Velo Park - August
London, Greater LondonFlying Scotsman Marathons & Half Marathons
Milton Keynes, BuckinghamshireRichmond Half Marathon @ Richmond RUNFEST 2026
Richmond, Greater LondonBattersea Park 10k & Half Marathon
LondonEaling Half Marathon 2026
LondonTop Gun 40th Anniversary Marathons & Half Marathons
Milton Keynes, BuckinghamshireLee Valley Velo Park - October
London, Greater LondonBATTERSEA PARK RUNNING FESTIVAL
LondonHertfordshire Half Marathon & 10k
Knebworth, HertfordshireEnigma Fireworks Marathons & Half Marathons
Milton Keynes, BuckinghamshireBattersea Park Half Marathon
LondonBattersea Park Half Marathon
LondonLee Valley Velo Park - December
London, Greater LondonZodiac Run
Offer
Thanks for booking a Running Bug event through findarace.com - 10% OFF
The One in the Park - Victoria - November
LondonDeja Vu Marathon & Half Marathon
Milton Keynes, BuckinghamshireRichmond Park December 5k,10k and Half Marathon
London, Greater LondonDie 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.