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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

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Tewkesbury Half Marathon

Tewkesbury, Gloucestershire
Sun 12 Apr 26
£47.04
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The Hampshire Hoppit - Marathon, Half Marathon, and 10k

Basingstoke, Hampshire
Sun 14 Jun 26
£34.00 - £63.00
5.0
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TrailFest - Salcey Forest

Salcey Forest, Northamptonshire
Sun 28 Jun 26
£22.00 - £64.00
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Run Bournemouth

Bournemouth, Dorset
Sat 10 Oct 26 - Sun 11 Oct 26
£15.50 - £46.25
4.5

The Hampshire Hoppit - Marathon, Half Marathon, and 10k

Basingstoke, Hampshire
Sun 14 Jun 26
£34.00 - £63.00
5.0

PHOENIX BEDFORDSHIRE Dragonfly Run

Biggleswade, Bedfordshire
Sat 20 Jun 26
£22.00 - £39.95

PHOENIX - Denbies Marathon / Half Marathon

Dorking, Surrey
Sat 20 Jun 26
£39.95
4.5

PHOENIX - Minotaur 50 Mile Ultra, Hydra 75 Mile Ultra & Centaur 100 Mile Ultra

Dorking, Surrey
Sat 20 Jun 26
£74.95 - £134.95

MK24 Midsummer RunFest

Milton Keynes, Buckinghamshire
Sat 20 Jun 26
£15.00 - £48.00

PHOENIX BEDFORDSHIRE Butterfly Run

Biggleswade, Bedfordshire
Sun 21 Jun 26
£22.00 - £39.95

PHOENIX West Sussex - Sunflowers Run

Haywards Heath, West Sussex
Sun 21 Jun 26
£22.00 - £39.95

Dunstable Downs Half Marathon

Dunstable, Bedfordshire
Sun 21 Jun 26
£35.00
4.8

FINSBURY PARK 5K, 10K & HALF MARATHON

London
Sun 21 Jun 26
£30.00 - £34.00
4.3

WIMBLEDON 10K & HALF MARATHON

London
Sun 21 Jun 26
£34.00 - £38.00
4.5

The Maverick North Downs Trail

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

Richmond Park Half Marathon

London
Sun 28 Jun 26
£40.00
4.4

Women’s Run Series Battersea

London
Sat 04 Jul 26
£32.00 - £38.00

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 Run Day 1

Winchester, Hampshire
Sat 04 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

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

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

The Richmond Summer Riverside 10k and Half Marathon Run

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

Chiltern Ridge Half Marathon

Aylesbury, Buckinghamshire
Sun 05 Jul 26
£35.00
4.3

World Cup winners 60th anniversary Marathon

Milton Keynes, Buckinghamshire
Sun 05 Jul 26
£46.99

Independence Weekend Run Day 2

Winchester, Hampshire
Sun 05 Jul 26
£39.95

Brixton 5k, 10k & Half Marathon

London
Sun 05 Jul 26
£30.00 - £34.00

Midweek Chasing Numbers Jul 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
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

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
5.0

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

Windsor, Berkshire
Sun 12 Jul 26
£30.00 - £162.00
4.4

The Railway Run Marathon, Half Marathon & 50km

Milton Keynes, Buckinghamshire
Sat 18 Jul 26
£36.99 - £42.99

Battersea Park 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

Formula One Marathons, Half Marathon & 50km

Milton Keynes, Buckinghamshire
Sun 19 Jul 26
£37.99 - £43.99

Midweek Medal Madness Run - July

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 24 Jul 26
£18.00 - £27.00
Showing 81-120 of 261 results
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