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 1.5k, 5k & 10k MoRun
Milton KeynesRun the Wild Half Marathon - Autumn
Tring, HertfordshireRichmond Park Half Marathon
LondonBack to the Future 40th Anniversary Marathons & Half Marathons
Milton Keynes, BuckinghamshireRichmond Park October 5k, 10k and Half Marathon
LondonLEE VALLEY VELOPARK - MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater LondonEpping Forest Wildwood Trail Series Half Marathon & 10K
LondonLondon 1.5k, 5k, 10k and Half Marathon MoRun
LondonWendover Woods Marathon, Half Marathon & 10k
Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQRichmond Half Marathon Autumn
Old Deer Park - Richmond Upon Thames TW9 2SFHertfordshire Half Marathon & 10k
Knebworth, HertfordshireEnigma Fireworks Marathons & Half Marathons
Milton Keynes, BuckinghamshireVICTORIA PARK 5K, 10K & HALF MARATHON
LondonThe One by the Canal
Watford, HertfordshireRichmond Park Half Marathon
LondonBattersea Park Half Marathon
LondonThe One in the Park - Richmond - November
RichmondFINSBURY PARK 5K, 10K & HALF MARATHON
LondonGremlins Christmas Half & Marathons
Milton Keynes, BuckinghamshireDeja Vu Marathon & Half Marathon
Milton Keynes, BuckinghamshireRichmond Park Half Marathon
LondonVICTORIA PARK 5K, 10K & HALF MARATHON
LondonRichmond Park December 5k,10k and Half Marathon
London, Greater LondonLEE VALLEY VELOPARK - MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater LondonDie Hard Christmas Jumpers Marathon & Half Marathon
Milton Keynes, BuckinghamshireFA Cup Run
Milton Keynes, BuckinghamshireRichmond Half Marathon Winter
Old Deer Park - Richmond Upon Thames TW9 2SFMoo-rathon, Calf and Hen K
Hyde Hall Farm, Buntingford, SG9 0RUZodiac Run
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Richmond Park April 5k, 10k and Half Marathon Run
London, Greater LondonJaws 50th Anniversary Marathons & Half Marathon
Milton Keynes, BuckinghamshireBATTERSEA PARK RUNNING FESTIVAL
LondonRelated 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.