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

London

Battersea Park 5k, 10k & Half Marathon

Sat 14th Nov

4.7

from £38.00

Walton-on-Thames

PHOENIX - Wild Goose Chase

Sat 14th Nov

from £22.00

Winchester

Autumn Feisty Phoenix Day 1

Sat 14th Nov

£33.95

Walton-on-Thames

PHOENIX - Chicken Run

Sun 15th Nov

from £22.00

Staines

The Smurf Run

Sun 15th Nov

from £18.00

Winchester

Autumn Feisty Phoenix Day 2

Sun 15th Nov

£33.95

London

RUN Battersea Park Half Marathon

Sun 15th Nov

4.6

£41.60

£39.95

£39.95

£39.95

£39.95

Staines

Run For Your Life

Sat 21st Nov

from £18.00

Windsor

Thames Path Trail Run

Sat 21st Nov

from £37.50

Bedford

PHOENIX - Bedfordshire - Cakeathon

Sun 22nd Nov

from £22.00

£39.95

Kingston upon Thames

Kingston Half Marathon

Sun 22nd Nov

3.5

£40.45

London

Wimbledon 10k & Half Marathon

Sun 22nd Nov

4.8

from £34.00

London

Christmas Lights Half Marathon 2026

Mon 23rd Nov 2026 – 4th Jan 2027

£21.00

Guildford

The STAR Backyard PEASLAKE

Fri 27th Nov

from £20.00

Lewes, Plumpton

Sussex Downs Trail Run

Sat 28th Nov

4.3

from £32.50

Walton-on-Thames

PHOENIX - Riverside Marathon & Half Marathon

Sat 28th Nov

4.5

£33.50

Gerrards Cross

Running Tribe

Sat 28th Nov

£40.00

Basingstoke

The Wallop

Sat 28th Nov

£40.00

from £12.00

Walton-on-Thames

PHOENIX - Christmas Advent Run

Sun 29th Nov

from £22.00

Staines

The Donut Dash

Sun 29th Nov

from £18.00

from £15.00

London

Finsbury Park 5k, 10k & Half Marathon

Sun 29th Nov

4.3

from £30.00

from £22.00

from £36.00

Walton-on-Thames

PHOENIX - Christmas Gonk

Sat 5th Dec

from £22.00

from £18.00

from £34.00

from £30.00

from £22.00

Staines

The Christmas Jumper Jaunt

Fri 11th Dec

from £18.00

Walton-on-Thames

PHOENIX - Candy Cane Run

Sat 12th Dec

from £22.00

from £36.00

London

Victoria Park Half Marathon, 10k & 5k

Sat 12th Dec

4.7

from £30.00

Gerrards Cross

Running Tribe

Sat 12th Dec

£40.00

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