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

Fareham

Nutcracker Run Day 1

Sat 12th Dec

£39.95

Richmond

Richmond Park Half Marathon & 10k

Sun 13th Dec

4.4

£40.00

Fareham

Nutcracker Run Day 2

Sun 13th Dec

£39.95

from £32.86

Winchester

Phoenix Hampshire - Christmas Party Run

Sat 19th Dec

£33.95

London

Lee Valley Velo Park - December

Sat 19th Dec

4.7

from £12.00

from £22.00

from £22.00

from £49.99

Staines

Christmas Day Cracker Run 2026

Fri 25th Dec

from £18.00

Egham

Boxing Day Challenge

Sat 26th Dec

from £27.00

Staines

Year End Time Turner 2026

Sun 27th Dec

4.0

from £18.00

from £22.00

Walton-on-Thames

PHOENIX - Year End Marathon & Half Marathon

Mon 28th Dec

5.0

£33.50

Walton-on-Thames

PHOENIX - Frozen Phoenix

Tue 29th Dec

from £27.00

Walton-on-Thames

PHOENIX - Winter Runderland

Wed 30th Dec

4.0

from £27.00

Staines

New Years Day Run 2027

Fri 1st Jan 2027

5.0

from £18.00

Staines

Running 9 to 5

Sat 2nd Jan 2027

from £18.00

Milton Keynes, Buckinghamshire

Winter Enigma Marathon & Half Marathon

Sat 2nd–3rd Jan 2027

from £39.99

Gerrards Cross

Running Tribe

Sat 2nd Jan 2027

£39.97

Gerrards Cross

Running Tribe

Sun 3rd Jan 2027

£40.00

Egham

Rhino Run- Runnymede

Sun 3rd Jan 2027

from £27.00

Winchester

Leaf Not Beef

Sat 9th Jan 2027

£39.95

Walton-on-Thames

PHOENIX - Duckython - Mucky Ducky

Sat 9th Jan 2027

from £22.00

London

Battersea 5k, 10k & Half Marathon

Sat 9th Jan 2027

4.8

from £36.00

Gerrards Cross

Running Tribe

Sat 9th Jan 2027

£40.00

Staines

The Safari Sprint

Sat 9th Jan 2027

from £18.00

Walton-on-Thames

PHOENIX - Doughnut Dash

Sun 10th Jan 2027

5.0

£39.95

Winchester, Sparsholt

Winchester Trail Run

Sun 10th Jan 2027

from £39.50

London

Victoria Park Half Marathon, 10k & 5k

Sun 10th Jan 2027

4.7

from £30.00

Gerrards Cross

Running Tribe

Sun 10th Jan 2027

£40.00

Gerrards Cross

Running Tribe

Sat 16th Jan 2027

£40.00

Winchester

Dolly Run

Sat 16th Jan 2027

£39.95

Walton-on-Thames

PHOENIX - Oceans Run

Sat 16th Jan 2027

from £22.00

Gerrards Cross

Running Tribe

Sun 17th Jan 2027

£39.48

Walton-on-Thames

PHOENIX - Ninja Run

Sun 17th Jan 2027

5.0

from £22.00

Staines

Time Warp Run

Sat 23rd Jan 2027

from £18.00

Walton-on-Thames

PHOENIX - Lizard in a Blizzard

Sat 23rd Jan 2027

from £22.00

from £11.00

Gerrards Cross

Running Tribe

Sun 24th Jan 2027

£40.00

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