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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

Independence Weekend Runs: 5k, 10k, Half, Full & Ultra Marathons

Winchester, Hampshire
Sat 04 Jul 26 - Sun 05 Jul 26
£39.95
🚀Boosted

Winchester Half Marathon

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

Wizz Air Ealing Half Marathon 2026

London
Sun 27 Sep 26
£50.63 - £52.63

Newbury Racecourse Half Marathon, 10k & 5k - August

Newbury, Berkshire
Sat 08 Aug 26
£27.00 - £152.00
4.9

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

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sat 08 Aug 26
£29.68 - £36.04
4.4

Battersea Park 5k, 10k & Half Marathon

London
Sat 08 Aug 26
£34.00 - £40.00

Stopsley Trail Race

Inspire: Luton Sports Village, Butterfield Green Rd, Luton, LU2 8DD
Sun 09 Aug 26
£16.24 - £23.66

Great British Bake Run 2026

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Sun 09 Aug 26
£18.00 - £35.00
4.5

PHOENIX - Prosecco Run

Dorking, Surrey
Sun 09 Aug 26
£22.00 - £39.95
5.0

Thames Meander Summer

Richmond, Greater London
Sun 09 Aug 26
£37.36 - £58.59
5.0

Richmond Park Half Marathon

Richmond, Surrey
Sun 09 Aug 26
£40.00
4.4

Midweek Chasing Numbers Aug 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
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
5.0

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

Beat The Bell - 1 Mile to Ultra

Canterbury, Kent
Sun 16 Aug 26
£20.00

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

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 21 Aug 26
£18.00 - £27.00

Wendover Woods Trail

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

Surrey - Duck n Run - Rubber Ducky - Day 1

Walton-on-Thames, Surrey
Sat 22 Aug 26
£22.00 - £39.95

Phoenix West Sussex - Doughnut Dash

Haywards Heath, West Sussex
Sun 23 Aug 26
£22.00 - £39.95

Dunstable Downs Challenge Half Marathon

Creasey Park Football Centre, Brewers Hill Rd, Dunstable LU6 1BB
Sun 23 Aug 26
£25.78

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

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
4.5

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
Showing 41-80 of 252 results
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