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!
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 KeynesFarmmageddon
Hyde Hall Farm, Buntingford, SG9 0RUStar Wars 50th Anniversary Marathon & Half Marathon
Milton Keynes, BuckinghamshireStar Wars 50th Anniversary Marathon & Half Marathon
Milton Keynes, BuckinghamshireThe Spy who loved me Marathons & Half Marathon
Milton Keynes, BuckinghamshireHertfordshire Half Marathon & 10k
Knebworth, HertfordshireWorld Cup 2026 Run
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The 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, BuckinghamshireTop Gun 40th Anniversary Marathons & Half Marathons
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.