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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

Run the Thames Bridges - half marathon

London
Fri 16 Feb 24 - Thu 31 Dec 26
£17.00 - £24.00
5.0

Run the Ghost Tubes - Half Marathon & 10K

London
Tue 01 Oct 24 - Thu 31 Dec 26
£14.00 - £17.00
4.3

Henry VIII's Wives Half Marathon

London
Sun 01 Feb 26 - Thu 31 Dec 26
£17.00

The Maverick North Downs Trail 2026

Cranleigh, Surrey
Sat 27 Jun 26
£9.10 - £92.84

Gravel Rush RUN, Winchester

Winchester, Hampshire
Sat 27 Jun 26
£27.50 - £35.00
5.0

Cock-a-doodle Dawdle - 5k,10k, Half Marathon, Full Marathon or Ultra Marathon

Hyde Hall Farm, Buntingford, SG9 0RU
Sat 27 Jun 26
£29.00 - £38.00

Lee Valley Velo Park - June

London, Greater London
Sat 27 Jun 26
£12.00 - £34.00
4.7

RunThrough Marlow Trail Run

Marlow, Buckinghamshire
Sun 28 Jun 26
£32.00 - £38.00

World Cup winners 60th anniversary Marathon

Milton Keynes, Buckinghamshire
Sat 04 Jul 26
£49.99

Women’s Run Series Battersea

London
Sat 04 Jul 26
£34.00 - £40.00

The Fix Addiction 5k, 10k and Half Marathon

Windsor, Berkshire
Sat 04 Jul 26
£25.00 - £30.00
4.7

PHOENIX - Summer Sun Run

Dorking, Surrey
Sat 04 Jul 26
£22.00 - £39.95

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

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

Will Run For Ice Cream 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sun 05 Jul 26
£18.00 - £35.00
5.0

The Richmond Summer Riverside 10k and Half Marathon Run

Richmond, Greater London
Sun 05 Jul 26
£25.00 - £30.00
4.5

Running GP at Goodwood Motor Circuit Races & Duathlons - July 2026

Chichester, West Sussex
Sun 05 Jul 26
£30.00 - £47.00

World Cup winners 60th anniversary Marathon

Milton Keynes, Buckinghamshire
Sun 05 Jul 26
£39.99 - £49.99

Brixton 5k, 10k & Half Marathon

London
Sun 05 Jul 26
£30.00 - £34.00

Midweek Chasing Numbers Jul 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 10 Jul 26
£18.00 - £27.00
5.0

Ooops I Ran It Again

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 11 Jul 26
£18.00 - £35.00

PHOENIX - Butterfly Run

Walton-on-Thames, Surrey
Sat 11 Jul 26
£22.00 - £40.00

PHOENIX BEDFORDSHIRE Tiaras and Tutus

Bedford, Bedfordshire
Sat 11 Jul 26
£22.00 - £39.95

The Maverick Chilterns Trail 2026

Princes Risborough, Buckinghamshire
Sat 11 Jul 26
£9.10 - £92.84

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

Herne Bay, Kent
Sun 12 Jul 26
£12.00 - £30.00
4.5

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

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sun 12 Jul 26
£29.68 - £36.04
4.4

Battersea Park 5k, 10k & Half Marathon

London
Sat 18 Jul 26
£34.00 - £40.00

Richmond Park July 5k,10k and Half Marathon

London, Greater London
Sun 19 Jul 26
£25.00 - £30.00
4.5

WIMBLEDON 10K & HALF MARATHON

London
Sun 19 Jul 26
£34.00 - £38.00
4.5

Midweek Medal Madness Run - July

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 24 Jul 26
£18.00 - £27.00

PHOENIX Fridays - Quackers Friday

Walton-on-Thames, Surrey
Fri 24 Jul 26
£26.00 - £33.00
5.0

The Rasselbock 545

Oxford, Oxfordshire
Sat 25 Jul 26 - Sun 26 Jul 26
£39.50 - £160.00

Anniversary Bash - Phoenix Hampshire

Winchester, Hampshire
Sat 25 Jul 26
£33.95

Victoria Park Half Marathon, 10k & 5k

London
Sat 25 Jul 26
£30.00 - £38.00
4.7

Maidenhead Trail Run

Maidenhead, Berkshire
Sun 26 Jul 26
£28.00 - £36.00

Bright Skies Surrey Hills

Denbies Wine Estate, Bradley Lane, Dorking. RH5 6AA
Sun 26 Jul 26
£8.70 - £55.00
3.8

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

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sun 26 Jul 26
£29.68 - £36.04
4.4

PHOENIX BEDFORDSHIRE The Prosecco Run

Biggleswade, Bedfordshire
Sat 01 Aug 26
£22.00 - £39.95

Wind in the Pillows Marathons & Half marathon

Milton Keynes, Buckinghamshire
Sat 01 Aug 26
£34.99 - £42.99

PHOENIX BEDFORDSHIRE The Gin Run

Biggleswade, Bedfordshire
Sun 02 Aug 26
£22.00 - £39.95

PHOENIX - The Painted Cow Run

Dorking, Surrey
Sat 08 Aug 26
£22.00 - £39.95
5.0
Showing 1-40 of 252 results
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