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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 - £50.09
5.0
🚀Boosted

Hever Castle Run Series

Edenbridge, Kent
Sun 27 Sep 26
£28.22 - £52.41
4.2

On Sale
🚀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 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sun 25 Oct 26
£40.00

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

Windsor Half Marathon 2026

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

Run Barns Green Half Marathon, 10K and 5k

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

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
£28.22 - £52.41
4.2

On Sale

Midweek Chasing Numbers Oct 2026

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

Southampton Half Marathon, 10K & Junior

Southampton, Hampshire
Sun 04 Oct 26
£11.00 - £38.00
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

The Autumn Lucky Dip Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sun 04 Oct 26
£18.00 - £35.00

Thames Meander Autumn

Richmond, Greater London
Sun 04 Oct 26
£37.36 - £58.59
4.1

ATW Welwyn Half Marathon & 10k

Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
Sun 04 Oct 26
£34.98 - £43.46
5.0

PHOENIX - Water Dragon

Walton-on-Thames, Surrey
Sun 04 Oct 26
£22.00 - £40.00

PHOENIX - Ghost Train

Walton-on-Thames, Surrey
Sat 10 Oct 26
£22.00 - £40.00

Epping Forest Half Marathon & 10K Wildwood Trail Series

London
Sat 10 Oct 26
£27.00 - £37.00

The Hurt

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

PHOENIX - Thou Shalt Run

Walton-on-Thames, Surrey
Sun 11 Oct 26
£22.00 - £40.00

Hampton Court Palace Running Festival Presented by Voltarol

East Molesey, Greater London
Sun 11 Oct 26
£42.00 - £47.00
4.2

The Richmond Autumn Riverside 10k and Half Marathon Run

Richmond, Greater London
Sun 11 Oct 26
£25.00 - £30.00
4.6

Running GP at Goodwood Motor Circuit October

Chichester, West Sussex
Sun 11 Oct 26
£30.00 - £44.00
4.5

Chelmsford Marathon & Half Marathon

Central Park, Chelmsford, Essex, CM2 0FQ.
Sun 11 Oct 26
£40.08 - £72.60

PHOENIX BEDFORDSHIRE Freaky Phoenix Friday

Biggleswade, Bedfordshire
Fri 16 Oct 26
£22.00

Lee Valley Velo Park - October

London, Greater London
Sat 17 Oct 26 - Sat 24 Oct 26
£12.00 - £34.00
4.7

PHOENIX BEDFORDSHIRE Skull Runner

Biggleswade, Bedfordshire
Sat 17 Oct 26
£22.00 - £39.95

Top Gun 40th Anniversary Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Sat 17 Oct 26 - Sun 18 Oct 26
£42.99 - £54.99

Richmond Park Half Marathon

Richmond, Surrey
Sun 18 Oct 26
£40.00
4.4

Bedgebury Forest Half Marathon & 10K

Bedgebury National Pinetum & Forest, Bedgebury Road, Goudhurst, Kent, TN17 2SJ
Sun 18 Oct 26
£7.68 - £34.10

Windsor Dorney Lakeside Half Marathon

Dorney Lake, Off Court Lane, Windsor, Berks, SL4 6QP
Sun 18 Oct 26
£36.21

Phoenix West Sussex - Secret Squirrel

Crawley, West Sussex
Sun 18 Oct 26
£22.00 - £39.95

Henley Half Marathon

Henley-on-Thames, Oxfordshire
Sun 18 Oct 26
£10.00 - £40.00
4.9

BATTERSEA PARK RUNNING FESTIVAL

London
Sat 24 Oct 26
£12.00 - £47.00
4.5

Scare Bear Run 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 24 Oct 26
£18.00 - £35.00
Showing 41-80 of 250 results
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