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UK half marathon running events

UK half marathons

Find UK half marathons with clear entry status, upcoming dates, regions, surfaces and useful race details.

Listed races

110

Open now

85

Ballot races

1

Regions covered

21

Featured half marathon race

A popular half marathon to consider

Featured event

St Albans Half Marathon

St Albans · East of England

Last checked: 2 May 2026

Open

Date

Sun, 14 Jun 2026

Distance

Half Marathon

Surface

Road

Beginner-friendly

Event overview

A community focused event, THE St Albans Half Marathon aims to raise money for local charities and organisations as well as put on a great day out for all the family. The event includes a Half Marathon, Walking Half, 5K, and 10K.

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St Albans Half Marathon featured race image
Half Marathon
Photo: RaceScan

Showing 109 of 109 half marathon races · Sorted by next upcoming race date

half marathon guide

UK half marathons calendar and guide

Looking for UK half marathons? This page lists upcoming half marathon races across the UK, with entry status, locations and useful details to help you choose the right event.

Half marathons are one of the most popular race distances in the UK. They are long enough to feel like a major challenge, but more manageable than a full marathon, making them a strong choice for both newer runners and experienced athletes.

The UK half marathon calendar is busy throughout the year, with many popular races taking place in spring and autumn. Road half marathons are often preferred for personal best attempts, while trail and mixed-terrain events offer a more scenic challenge.

Entry availability varies by race. Some major city half marathons sell out quickly, while smaller local events may remain open longer. RaceScan tracks entry status and upcoming race dates so you can quickly see which races are currently available.

Use the filters above to compare half marathons by region, surface, month and entry type. Whether you are running your first half marathon or targeting a faster time, this page helps you compare UK half marathon races in one place.

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FAQs

FAQs about UK half marathon races

When do most UK half marathons take place?

UK half marathons take place throughout the year, but spring and autumn are especially popular because conditions are often cooler and better suited to distance running.

How far is a half marathon?

A half marathon is 13.1 miles, or 21.1 kilometres.

Are half marathons good for beginners?

Yes, a half marathon can be a good goal for beginners who have built up consistent running. Look for beginner-friendly races with good support, clear organisation and manageable elevation.

Which UK half marathons are best for a PB?

Flat road half marathons are usually best for personal best attempts. Check the surface, elevation and course profile before choosing your target race.

Do UK half marathons sell out?

Yes, some popular UK half marathons sell out quickly, especially major city events. Smaller races may stay open longer, but entering early is usually safest.