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Half Marathons Found in the South East

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Half Marathons In the South East 2026 - 2027

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 :-)


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London

Race Calendar: Half Marathons In the South East

🚀Boosted

Tewkesbury Half Marathon

Tewkesbury, Gloucestershire
Sun 12 Apr 26
£44.95
🚀Boosted

MK Marathon Weekend

Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
Sun 03 May 26 - Mon 04 May 26
£13.05 - £160.24
🚀Boosted

RUN Victoria Park Half Marathon

Victoria Park, E9 5HT
Sun 24 May 26
£35.24

Richmond Park Half Marathon

Richmond, Surrey
Sun 09 Aug 26
£40.00
4.4

Midweek Chasing Numbers Aug 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 14 Aug 26
£18.00 - £27.00
5.0

Street Child - Craft Half & 10K

Richmond, Surrey
Sat 15 Aug 26
£25.00 - £40.00

Summer Feisty Phoenix Day 1

Winchester, Hampshire
Sat 15 Aug 26
£33.95

I'm Not Throwing Away My Shot Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Sat 15 Aug 26
£18.00 - £35.00

Lee Valley Velo Park - August

London, Greater London
Sat 15 Aug 26
£12.00 - £34.00
4.7

SOUTHAMPTON RUNNING FESTIVAL

Southampton, Hampshire
Sun 16 Aug 26
£12.00 - £36.00
4.7

Summer Feisty Phoenix Day 2

Winchester, Hampshire
Sun 16 Aug 26
£33.95

Isle of Wight Half Marathon

Ryde Rowing Club, Isle of Wight, PO33 1ND
Sun 16 Aug 26
£24.62

Midweek Medal Madness Run August 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 21 Aug 26
£18.00 - £27.00

Wendover Woods Running Festival

Aylesbury, Buckinghamshire
Sat 22 Aug 26
£12.00 - £36.00

Run Dorney Lake Evening Runs 10k & 5k August

Windsor, Berkshire
Wed 26 Aug 26
£30.00 - £142.00
5.0

Windsor Trail Run

Windsor, Berkshire
Sun 30 Aug 26
£37.00 - £44.00

ATW Bedford Running Festival

Russell Park, The Embankment, Bedford MK40 3RH
Sat 05 Sep 26 - Sun 06 Sep 26
£13.78 - £51.94

Henley River 10k, Half Marathon & Junior Race September 2026

Henley-on-Thames, Oxfordshire
Sat 05 Sep 26
£12.00 - £37.00
4.6

PHOENIX - Summer Marathon & Half Marathon

Walton-on-Thames, Surrey
Sat 05 Sep 26
£33.50
5.0

The River Run

The Adur Recreation Ground - Shoreham-by-Sea, West Sussex
Sun 06 Sep 26
£34.17
4.4

Richmond Park September 5k, 10k and Half Marathon

London, Greater London
Sun 06 Sep 26
£25.00 - £30.00
4.5

Run Whitstable & Herne Bay September 5k, 10k and half marathon

Herne Bay, Kent
Sun 06 Sep 26
£25.00 - £30.00
5.0

WIMBLEDON 10K & HALF MARATHON

London
Sun 06 Sep 26
£34.00 - £38.00
4.5

Bewl Water Autumn

Wadhurst, East Sussex
Sat 12 Sep 26
£37.36 - £66.01
4.6

Flying Scotsman Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Sat 12 Sep 26 - Sun 13 Sep 26
£34.99 - £41.99

The Rubber Ducky Waddle

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Sun 13 Sep 26
£18.00 - £35.00

Basildon Half Marathon

Basildon, Essex
Sun 13 Sep 26
£12.00 - £38.00
5.0

Midweek Chasing Numbers Sept 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 18 Sep 26
£18.00 - £27.00
5.0

PHOENIX - Hedgie Hog Jog

Walton-on-Thames, Surrey
Sun 20 Sep 26
£22.00 - £40.00

Richmond Park Half Marathon

Richmond, Surrey
Sun 20 Sep 26
£40.00
4.4

Something To Talk About

Avon Tyrrell Outdoor Activity Centre, Bransgore, Christchurch BH23 8EE
Sun 20 Sep 26
£42.13

Run Reigate Half Marathon, 10k, 5k & Kids Race

Reigate, Surrey
Sun 20 Sep 26
£19.00 - £42.00
4.0

PHOENIX - Cakeathon

Walton-on-Thames, Surrey
Sat 26 Sep 26
£22.00 - £40.00

Run Dorney Lake Marathon, Half Marathon, 10k & 5k - September

Windsor, Berkshire
Sat 26 Sep 26
£30.00 - £162.00
4.4

Battersea Park 10k & Half Marathon

London
Sat 26 Sep 26
£40.00

Clapham Common 5k, 10k & Half Marathon

London
Sun 27 Sep 26
£32.00 - £34.00

PHOENIX - Chocothon

Walton-on-Thames, Surrey
Sun 27 Sep 26
£22.00 - £40.00

Swindon Half Marathon

Swindon
Sun 27 Sep 26
£46.00

Ealing Half Marathon 2026

London
Sun 27 Sep 26
£45.37 - £47.37

Folkestone Rotary Half Marathon

The Grand, The Leas, Folkestone, Kent,CT20 2XL
Sun 27 Sep 26
£5.58 - £33.78

Midweek Chasing Numbers Oct 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 02 Oct 26
£18.00 - £27.00

Run Dorney Lake Half Marathon, 10k & 5k - October

Windsor, Berkshire
Sat 03 Oct 26
£30.00 - £162.00
4.4

Victoria Park Half Marathon, 10k & 5k

London
Sat 03 Oct 26
£30.00 - £38.00
4.7
Showing 161-200 of 277 results
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