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

Walton-on-Thames

PHOENIX - Spinning Around Run

Sun 24th Jan 2027

from £22.00

from £27.00

Staines

Midweek Chasing Numbers Jan 2027

Fri 29th Jan 2027

5.0

from £18.00

Horndean

Queen Elizabeth Country Park Trail Run

Sat 30th Jan 2027

4.5

from £34.50

London

Lee Valley Velo Park

Sat 30th Jan 2027

4.7

from £11.00

Staines

The Winter Lucky Dip Run 2027

Sat 30th Jan 2027

from £18.00

Winchester

Whingeathon

Sat 30th Jan 2027

£39.95

from £22.00

London

RUN Battersea Park Half Marathon Winter

Sun 31st Jan 2027

4.6

£41.60

Windsor

Windsor Trail Half Marathon & 10k

Sun 31st Jan 2027

4.5

from £37.00

Gerrards Cross

Running Tribe

Sun 31st Jan 2027

£40.00

London

Crystal Palace 5k 10k, Half Marathon & Juniors

Sun 31st Jan 2027

4.7

from £12.00

Bedford

PHOENIX BEDFORDSHIRE The Otter Potter

Sun 31st Jan 2027

from £22.00

Gerrards Cross

Running Tribe

Sat 6th Feb 2027

£40.00

Staines

The Zipping Zebra Run

Sat 6th Feb 2027

from £18.00

Walton-on-Thames

PHOENIX - Red Dragon Run

Sat 6th Feb 2027

from £22.00

Watford

ATW Watford Half Marathon & 10k

Sun 7th Feb 2027

5.0

from £14.84

Gerrards Cross

Running Tribe

Sun 7th Feb 2027

£40.00

Walton-on-Thames

PHOENIX - Alpaca Wacka vs Drama Llama Run

Sun 7th Feb 2027

from £22.00

London

Battersea 5k, 10k & Half Marathon

Sat 13th Feb 2027

4.8

from £36.00

Staines

The Fleeting Frog Run

Sat 13th Feb 2027

from £18.00

Walton-on-Thames

PHOENIX - Steampunk Love Run

Sat 13th Feb 2027

from £22.00

Winchester

Running is my Biggest Love

Sat 13th Feb 2027

£39.95

Thames Ditton

Hampton Court Half Marathon 2027

Sun 14th Feb 2027

4.4

£39.50

Richmond

Richmond Park Half Marathon & 10k

Sun 14th Feb 2027

4.4

£40.00

Gerrards Cross

Running Tribe

Sun 14th Feb 2027

£40.00

Walton-on-Thames

PHOENIX - Valentines Run

Sun 14th Feb 2027

from £22.00

Gerrards Cross

Running Tribe

Sat 20th Feb 2027

£40.00

Staines

The Tiger Trot

Sat 20th Feb 2027

from £18.00

Walton-on-Thames

PHOENIX - Bucket List Run

Sat 20th Feb 2027

from £22.00

Bedford

ATW Bedford Half Marathon & 10k

Sun 21st Feb 2027

5.0

from £37.10

from £25.00

Chichester

Running GP at Goodwood Motor Circuit

Sun 21st Feb 2027

4.5

from £30.00

Dartford

Dartford Half Marathon, 10k & Junior

Sun 21st Feb 2027

4.5

from £11.00

Gerrards Cross

Running Tribe

Sun 21st Feb 2027

£40.00

from £22.00

Walton-on-Thames

PHOENIX - Ready Freddy Go

Sun 21st Feb 2027

from £22.00

Staines

Midweek Chasing Numbers Feb 2027

Fri 26th Feb 2027

5.0

from £18.00

Emsworth

Chichester Harbour Trail Run

Sat 27th Feb 2027

4.5

from £39.50

London

Victoria Park Half Marathon, 10k & 5k

Sat 27th Feb 2027

4.7

from £30.00

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