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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

Winchester Half Marathon

Winchester City Centre
Sun 20 Sep 26
£10.82 - £40.53
5.0
🚀Boosted

The Hurt

Guildford, Surrey
Sat 10 Oct 26
£31.00 - £35.00
🚀Boosted

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6 are at - Chalfont St. Peter Community Centre , SL9 9QX.
Sun 25 Oct 26
£38.69

Andover Trail Marathon

Kings road, Enham Alamien, Andover, SP11 6HP. Post code is for the car park. ​
Sat 05 Sep 26
£37.36 - £212.46
4.8

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

WIMBLEDON 10K & HALF MARATHON

London
Sun 06 Sep 26
£34.00 - £38.00
4.8

The Shere 42k, 21k & 10k Multi Terrain Event

Shere Recreation Ground, Upper Street, Shere, Surrey, GU5 9JF
Sat 12 Sep 26
£27.50 - £70.00
4.5

Bewl Water Autumn

Wadhurst, East Sussex
Sat 12 Sep 26
£37.36 - £66.01
4.7

Flying Scotsman Marathons & Half Marathons

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

PHOENIX BEDFORDSHIRE Pick n Mix

Bedford, Bedfordshire
Sat 12 Sep 26
£22.00 - £39.95

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

Richmond Half Marathon @ Richmond RUNFEST 2026

Richmond, Greater London
Sun 13 Sep 26
£35.00
4.5

Basildon Half Marathon

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

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

Herne Bay, Kent
Sun 13 Sep 26
£25.00 - £30.00
4.5

Midweek Chasing Numbers Sept 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
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

Phoenix Crystal Palace - Retro Run

London
Sun 20 Sep 26
£22.00 - £39.95

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

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sat 26 Sep 26
£29.68 - £42.40
4.4

Battersea Park 5k, 10k & Half Marathon

London
Sat 26 Sep 26
£36.00 - £42.00
4.8

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

Run Barns Green Half Marathon, 10K and 5k

Horsham, West Sussex
Sun 27 Sep 26
£20.00 - £37.00
5.0

Windsor Half Marathon 2026

Windsor, Windsor and Maidenhead
Sun 27 Sep 26
£44.00 - £48.00
4.8

Phoenix West Sussex - Fox Trot

Crawley, West Sussex
Sun 27 Sep 26
£22.00 - £39.95

Wizz Air Ealing Half Marathon 2026

London
Sun 27 Sep 26
£55.89 - £57.89

Folkestone Rotary Half Marathon

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

Hever Castle Run Series

Edenbridge, Kent
Sun 27 Sep 26
£37.63 - £69.88
4.2

Midweek Chasing Numbers Oct 2026

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

Think Pink Day 1

Fareham, Hampshire
Sat 03 Oct 26
£39.95

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

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sat 03 Oct 26
£29.68 - £36.04
4.4

Victoria Park Half Marathon, 10k & 5k

London
Sat 03 Oct 26
£30.00 - £38.00
4.7

The Maverick South Downs Trail 2026

Horndean, Hampshire
Sat 03 Oct 26
£9.10 - £92.84

PHOENIX West Sussex - Swan Around

Crawley, West Sussex
Sun 04 Oct 26
£22.00 - £39.95

Kingston Half Marathon 2026

Kingston upon Thames, Surrey
Sun 04 Oct 26
£44.50
5.0

CHICHESTER HALF MARATHON

Chichester, West Sussex
Sun 04 Oct 26
£39.50 - £44.50

RUN KENT HALF MARATHON, 10K & 5K

Tonbridge, Kent
Sun 04 Oct 26
£32.00 - £40.00
4.8

Think Pink Day 2

Fareham, Hampshire
Sun 04 Oct 26
£39.95
Showing 41-80 of 250 results
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