Half Marathons In the South East 2026 - 2027

300

Half Marathons Found in the South East

The most comprehensive list of Half Marathons in the South East in 2026 - 2027 and South of England including Half Marathons in London, Southampton, Oxford, Reading, Portsmouth, Brighton and Slough. 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 the South East. 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 :-)


A group of runners, some smiling and reaching out playfully, participate in a race along a tree-lined trail. The atmosphere is lively and cheerful. Bib numbers are visible on their shirts.

Kingston upon Thames

Kingston Half Marathon

Sun 22nd Nov

3.5

£40.45

Boosted
Two men are running on a grassy trail; one wears a blue athletic outfit, the other wears an orange shirt and a Santa hat. Both are smiling and appear to be participating in an outdoor event or fun run.

Gerrards Cross

Running Tribe

Sat 28th Nov

£40.00

Boosted
A group of runners participate in a race on a tree-lined dirt path, some wearing numbered bibs and athletic gear. The runners show various expressions, with greenery and trees in the background.

London

RUN Battersea Park Half Marathon Winter

Sun 31st Jan 2027

4.6

£41.60

Boosted
A smiling runner in an orange shirt and number 1973 raises both arms in celebration as he approaches the finish line of a race, with other runners and a cheering crowd in the background.

Colchester, Mile End

Colchester Half Marathon

Sun 14th Mar 2027

Free–£40.00

Boosted

Crawley

Run Gatwick Half Marathon & 5k

Sun 21st Nov 2027

5.0

from £29.00

London

Wimbledon 10k & Half Marathon

Sun 21st Nov 2027

4.8

from £34.00

Windsor

Windsor Trail Half Marathon & 10k

Sun 28th Nov 2027

4.5

from £37.00

from £11.00

London

Battersea Park 5k, 10k & Half Marathon

Sat 4th Dec 2027

from £36.00

Chichester

Running GP at Goodwood Motor Circuit

Sun 5th Dec 2027

4.5

from £30.00

London

Victoria Park Half Marathon, 10k & 5k

Sat 11th Dec 2027

4.7

from £30.00

Richmond

Richmond Park Half Marathon & 10k

Sun 12th Dec 2027

4.4

£40.00

London

Lee Valley Velo Park

Sat 18th Dec 2027

4.7

from £11.00

Milton Keynes, Buckinghamshire

Cool Runnings Marathon & Half Marathon

Sat 8th–9th Jan 2028

from £39.99

Brockenhurst

New Forest Brockenhurst Trail Run (Saturday)

Sat 14th Nov

5.0

Sold out

Brockenhurst

New Forest Brockenhurst Trail Run (Sunday)

Sun 15th Nov

5.0

Entries closed

Hartfield

The Hartfield Honey Run - 2026

Sun 15th Nov

4.5

Entries closed

Southampton, Hampshire

The Southampton 1.5k, 5k, 10k & Half Marathon MoRun

Sun 15th Nov

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Milton Keynes

Gremlins Christmas Marathons & Half Marathons

Fri 4th–6th Dec

Sold out

Walton-on-Thames

Phoenix - Christmas Jumper FRIDAY Run

Fri 11th Dec

Sold out

Windsor

Run Dorney Lake - December

Sat 12th Dec

4.4

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