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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

The Maverick South Downs Trail

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

RUN KENT HALF MARATHON, 10K & 5K

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

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

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

Kingston Half Marathon 2026

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

Run the Wild Half Marathon - Autumn

Tring, Hertfordshire
Sat 10 Oct 26
£55.00
5.0

Hampton Court Palace Half Marathon Presented by Nuun

East Molesey, Greater London
Sun 11 Oct 26
£47.00 - £212.00
4.2

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

Lee Valley Velo Park - October

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

Top Gun 40th Anniversary Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Sat 17 Oct 26 - Sun 18 Oct 26
£37.99 - £43.99

Richmond Park Half Marathon

Richmond, Surrey
Sun 18 Oct 26
£40.00
4.4

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

Andover Half Marathon & 12km

14-4 High St, Andover SP10 1LJ
Sun 25 Oct 26
£20.91 - £36.60

Windsor Dorney Lakeside Half Marathon

Dorney Lake, Off Court Lane, Windsor, Berks, SL4 6QP
Sun 25 Oct 26
£36.21

Maidenhead Half Marathon

Maidenhead, Berkshire
Sun 25 Oct 26
£40.00
5.0

Wight Lines

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

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

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 - £20.00

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

ATW Remembrance Runs

Debden Airfield, Carver Barracks, Water Ln, Wimbish, Saffron Walden CB10 2YA
Sat 07 Nov 26
£10.60 - £38.16
4.5

Remembrance Run 2026 - South

Wraysbury Skiff and Punting Club, Riverside, Egham, TW20 0AE
Sun 08 Nov 26
£23.00 - £37.00

Windsor Trail Run

Windsor, Berkshire
Sun 08 Nov 26
£37.00 - £44.00

H&T Running: Remembrance Sunday 2026

Colchester, Essex
Sun 08 Nov 26
£23.50 - £40.00

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

Windsor, Berkshire
Sun 08 Nov 26
£30.00 - £162.00
4.4

PHOENIX - Remembrance Day Marathon & Half Marathon

Walton-on-Thames, Surrey
Sun 08 Nov 26
£39.95

Battersea Park Half Marathon

London
Sat 14 Nov 26
£40.00
4.6

NEW FOREST CENTRAL TRAIL RUN

Brockenhurst, Hampshire
Sat 14 Nov 26
£32.50 - £42.50
5.0

The Hartfield Honey Run - 2026

Hartfield, East Sussex
Sun 15 Nov 26
£20.00 - £30.00
4.5

The Smurf Run

Wraysbury Skiff and Punting Club, Riverside, Egham, TW20 0AE
Sun 15 Nov 26
£18.00 - £35.00

THAMES PATH TRAIL RUN

Windsor, Berkshire
Sat 21 Nov 26
£37.50 - £42.50
Showing 201-240 of 277 results
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