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Half Marathons Found In & Near Hertfordshire

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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

🚀Boosted

Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.

Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00
🚀Boosted

Richmond Park March 5k, 10k and Half Marathon

London
09 Mar 25
£22.00 - £25.00
4.4
🚀Boosted

MK Marathon Weekend

Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
04 May 25 - 05 May 25
£13.05 - £149.59

BATTERSEA PARK RUNNING FESTIVAL

London
18 Oct 25
£7.00 - £152.00
Showing 81-81 of 81 results
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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.

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