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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

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

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

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

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

River Thames Half Marathon 2026

Walton-on-Thames, Surrey
Sun 25 Oct 26
£39.50
4.8

Andover Half Marathon & 12km

14-4 High St, Andover SP10 1LJ
Sun 25 Oct 26
£26.14 - £36.60

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

Maidenhead Half Marathon & 10k

Maidenhead, Berkshire
Sun 25 Oct 26
£32.00 - £40.00
5.0

Wight Lines

Hurst Rd, Milford on Sea, Lymington SO41 0PY
Sun 25 Oct 26
£42.13

Halloween Runificent Run

Winchester, Hampshire
Sat 31 Oct 26
£39.95

The Horrorwood Halloween Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 31 Oct 26
£18.00 - £35.00

Wendover Woods Marathon, Half Marathon & 10k

Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQ
Sun 01 Nov 26
£7.68 - £50.00
4.6

Richmond Half Marathon Autumn

Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 01 Nov 26
£41.51

WITTERING BEACH RUN

Chichester, West Wittering, West Sussex
Sun 01 Nov 26
£32.50 - £42.50
5.0

Run London Victoria Park Half/10k/5k

London
Sun 01 Nov 26
£15.00 - £30.00
1.1

ATW Bedford 10k & Half Marathon

Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 01 Nov 26
£34.98 - £43.46
5.0

Hertfordshire Half Marathon & 10k

Knebworth, Hertfordshire
Sun 01 Nov 26
£40.00 - £47.00
4.5

We Will Remember Poppy Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 06 Nov 26
£18.00 - £35.00

PHOENIX - Lancaster Bomber Run

Walton-on-Thames, Surrey
Fri 06 Nov 26
£22.00 - £40.00

Enigma Fireworks Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Fri 06 Nov 26 - Sat 07 Nov 26
£34.99 - £41.99

SOUTH DOWNS TRAIL RUN

Chichester, West Sussex
Sat 07 Nov 26
£32.50 - £42.50
5.0

PHOENIX - Lest We Forget

Walton-on-Thames, Surrey
Sat 07 Nov 26
£22.00 - £39.95
5.0

Victoria Park Half Marathon, 10k & 5k

London
Sat 07 Nov 26
£30.00 - £38.00
4.7

Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun

Herne Bay, Kent
Sat 07 Nov 26
£12.00 - £30.00
4.9

ATW Remembrance Runs

Debden Airfield, Carver Barracks, Water Ln, Wimbish, Saffron Walden CB10 2YA
Sat 07 Nov 26
£14.84 - £43.46
4.5
Showing 81-120 of 250 results
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