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

Staines

The Meerkat Meander

Sat 27th Feb 2027

from £18.00

Winchester

You Otter Run Day 1 - Winter

Sat 27th Feb 2027

£35.95

London

London Half & 10k Presented by TREK

Sun 28th Feb 2027

5.0

from £11.00

from £22.00

Winchester

You Otter Run Day 2 - Winter

Sun 28th Feb 2027

£35.95

Eastbourne

Endurancelife Sussex

Sat 6th Mar 2027

from £35.00

Christchurch, Burton

New Forest South Trail Run

Sat 6th Mar 2027

5.0

from £34.50

Staines

The Emu Endure

Sat 6th Mar 2027

from £18.00

Walton-on-Thames

PHOENIX - Cakeathon

Sat 6th Mar 2027

from £22.00

Richmond

Thames Meander Spring

Sun 7th Mar 2027

from £39.48

Lymington

Wight Riot

Sun 7th Mar 2027

£42.13

Kingston upon Thames, Surrey

Kingston Break-fest Run 20, 16 & 8 mile

Sun 7th Mar 2027

4.5

from £29.50

Fordingbridge

Up on the Downs

Sun 7th Mar 2027

4.1

from £19.31

Milton Keynes

Enigma Half Marathon Triple Crown

Fri 12th–14th Mar 2027

£31.99

Buntingford

Moo-rathon, Calf and Hen K

Sat 13th Mar 2027

from £31.00

Farnham

Lone Wolf London 2027 ‍

Sat 13th–14th Mar 2027

£95.00

Walton-on-Thames

PHOENIX - Spring Marathon & Half Marathon

Sat 13th Mar 2027

£33.50

Staines

The Leaping Lion Run

Sat 13th Mar 2027

from £18.00

Tring

Run the Wild Half Marathon - Spring

Sat 13th Mar 2027

5.0

£55.00

East Molesey

Hampton Court Palace Half Marathon

Sun 14th Mar 2027

4.3

£48.00

£41.60

Marlborough

Ramsbury Half Marathon & 10k

Sun 14th Mar 2027

from £33.00

Colchester, Mile End

Colchester Half Marathon

Sun 14th Mar 2027

Free–£40.00

Staines

Midweek Chasing Numbers Mar 2027

Fri 19th Mar 2027

5.0

from £18.00

Winchester

The Maverick Hampshire Trail 2027

Sat 20th Mar 2027

from £9.10

Rowland's Castle

Stansted House Trail Run

Sat 20th Mar 2027

5.0

from £34.50

Guildford

Surrey Hills Half Marathon

Sat 20th Mar 2027

5.0

£29.00

Staines

The Penguin Plod

Sat 20th Mar 2027

from £18.00

Gerrards Cross

Running Tribe

Sat 20th Mar 2027

from £38.69

Newport

The Lap @ Robin Hill

Sat 20th Mar 2027

from £47.97

Welwyn Garden City

London Lea Valley Ultra

Sat 20th Mar 2027

from £42.00

Woking

Surrey Half Marathon, 5k & Junior Race

Sun 21st Mar 2027

5.0

from £16.00

St Leonards on Sea

Hastings Half Marathon

Sun 21st Mar 2027

from £7.61

Herne Bay, Kent

Run Whitstable & Herne Bay Spring 5k, 10k and Half Marathon

Sun 21st Mar 2027

4.7

from £25.00

Waltham Cross

ATW Run Fest at Lee Valley

Sun 21st Mar 2027

5.0

from £34.98

Milton Keynes

The Enigma Easter Series

Fri 26th–27th Mar 2027

5.0

from £37.99

from £18.00

London

Victoria Park Half Marathon, 10k & 5k

Fri 26th Mar 2027

4.7

from £30.00

from £18.00

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