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 KeynesHarrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.
Bedford, BedfordshireMK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United KingdomRichmond Park Half Marathon
LondonLive Aid 40th Anniversary Marathon Half Marathon & 50km
Milton Keynes, BuckinghamshireRichmond Park July 5k,10k and Half Marathon
London, Greater LondonFootball League Original 12 Run
Milton Keynes, BuckinghamshireRichmond Park Half Marathon
LondonRichmond Park August 5k, 10k and Half Marathon
London, Greater LondonLEE VALLEY VELOPARK 1 MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater LondonATW Bedford Running Festival
Russell Park, The Embankment, Bedford MK40 3RHRichmond Park September 5k, 10k and Half Marathon
London, Greater LondonCoronation Scot Marathons & Half Marathon
Milton Keynes, BuckinghamshireRichmond Park Half Marathon
LondonEaling Half Marathon
London, Greater LondonATW Welwyn Half Marathon & 10k
Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XEVICTORIA PARK 5K, 10K & HALF MARATHON
LondonRun the Wild Half Marathon - Autumn
Tring, HertfordshireBATTERSEA PARK RUNNING FESTIVAL
LondonBack to the Future 40th Anniversary Marathons & Half Marathons
Milton Keynes, BuckinghamshireLEE VALLEY VELOPARK - MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater LondonRichmond Park Half Marathon
LondonWendover Woods Marathon, Half Marathon & 10k
Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQHertfordshire 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
LondonFINSBURY PARK 5K, 10K & HALF MARATHON
LondonGremlins Christmas Half & Marathons
Milton Keynes, BuckinghamshireDeja Vu Marathon & Half Marathon
Milton Keynes, BuckinghamshireVICTORIA PARK 5K, 10K & HALF MARATHON
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 Park February Winter Warmer 5k, 10k and Half Marathon
London, Greater LondonRun the Wild Half Marathon - Spring
Tring, HertfordshireKew Gardens Half Marathon 2025
Richmond, Greater LondonBattersea Park Half Marathon
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.