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
Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.
Bedford, BedfordshireRichmond Park March 5k, 10k and Half Marathon
LondonMK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United KingdomRichmond 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 Half Marathon @ Richmond RUNFEST
Richmond, Greater LondonRichmond 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, 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
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
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, BuckinghamshireZodiac Run
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Run 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.