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
Run the Thames Bridges - half marathon
LondonRun the Ghost Tubes - Half Marathon & 10K
LondonCock-a-doodle Dawdle - 10k, Half Marathon, Full Marathon & Ultra-Marathon
Hyde Hall Farm, Buntingford, SG9 0RUVICTORIA PARK 5K, 10K & HALF MARATHON
LondonHenry VIII's Wives Half Marathon
LondonJaws 50th Anniversary Marathons & Half Marathon
Milton Keynes, BuckinghamshireRichmond Park Half Marathon
LondonRelay Your Way - Final Day Challenge
Richmond, Greater LondonLive Aid 40th Anniversary Marathon Half Marathon & 50km
Milton Keynes, BuckinghamshireHughenden Valley Half & 10K
High Wycombe, BuckinghamshireBattersea Park Half Marathon
LondonRichmond 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
LondonBattersea Park Half Marathon Presented by TREK
LondonEaling Half Marathon
London, Greater LondonRichmond Park Half Marathon
Richmond Park, Sheen Gate Car Park Area. TW10 5HTATW Welwyn Half Marathon & 10k
Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XEVICTORIA PARK 5K, 10K & HALF MARATHON
LondonRichmond Park Half Marathon
LondonBATTERSEA PARK RUNNING FESTIVAL
LondonRichmond 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
LondonRocket Around The Running Track - 12 hour challenge
Wodson Park Sports Centre, Ware, Herts, SG12 0UQCatherine Wheel Canter - 5k, 10k, Half, Full & Ultra Marathon
Wodson Park Sports Centre, Ware, Herts, SG12 0UQGuy Fawkes Gallop - 5k, 10k, half marathon, full marathon & 50k Ultra
Wodson Park Sports Centre, Ware, Herts, SG12 0UQLondon 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 2SFRun London Victoria Park Half/10k/5k
LondonHertfordshire Half Marathon & 10k
Knebworth, HertfordshireEnigma Fireworks Marathons & Half Marathons
Milton Keynes, BuckinghamshireDirt Half Challenge
Cedars Upper School, Mentmore Road, Leighton Buzzard, Bedfordshire, LU7 2AE.Related 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.