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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

Best Race Series x Adidas 2026 - The Endurance Test - Half Marathon

Battersea Park, London
Sun 12 Apr 26
£28.00
🚀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 - £149.59
🚀Boosted

RUN Victoria Park Half Marathon

Victoria Park, E9 5HT
Sun 24 May 26
£35.24

Midweek Medal Madness Run April 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 17 Apr 26
£18.00 - £27.00

Ultra X Spring Trail Series (110km, 50 miler, 50km, 25km and 12km)

Liphook, Hampshire
Sat 18 Apr 26
£39.00 - £180.00
4.0

PHOENIX - Cheeky Fox Run

Walton-on-Thames, Surrey
Sat 18 Apr 26
£22.00 - £40.00

The London Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 18 Apr 26
£18.00 - £35.00

Richmond Park April 5k, 10k and Half Marathon Run

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

Kent Spring Marathon & Half Marathon

Sandyacres Sports Club, Sandyhurst Lane, Ashford, Kent, TN25 4PE
Sun 19 Apr 26
£33.06 - £41.54
4.9

The Saltmarsh Half Marathon

Marsh Farm Rd, South Woodham Ferrers, CM3 5WP
Sun 19 Apr 26
£30.50

PHOENIX - Kingfisher Run

Gravesend, Kent
Sun 19 Apr 26
£39.95

Dell 10km & Half Marathon

Basingstoke, Hampshire
Sun 19 Apr 26
£32.00 - £40.00
5.0

CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS

London
Sun 19 Apr 26
£12.00 - £36.00
4.7

Phoenix West Sussex - Dirty Dozen Run

Crawley, West Sussex
Sun 19 Apr 26
£22.00 - £39.95

Lee Valley Velo Park - April

London, Greater London
Sat 25 Apr 26
£12.00 - £34.00
4.7

NOT The London Marathon Run Day 1

Winchester, Hampshire
Sat 25 Apr 26
£39.95

Bolt Round the Holt

Alice Holt Forest, Bucks Horn Oak, Farnham, GU10 4LS.
Sun 26 Apr 26
£7.61 - £34.83

NOT The London Marathon Run Day 2

Winchester, Hampshire
Sun 26 Apr 26
£39.95

PHOENIX - NOT the London Marathon Run 2025

Walton-on-Thames, Surrey
Sun 26 Apr 26
£39.95
5.0

Midweek Chasing Numbers May 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 01 May 26
£18.00 - £27.00
5.0

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

Windsor, Berkshire
Sat 02 May 26
£30.00 - £162.00
4.4

MK Marathon Weekend

Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
Sun 03 May 26 - Mon 04 May 26
£13.05 - £149.59

Worthing Runfest Half Marathon & 10K 2026

Worthing, West Sussex
Sun 03 May 26
£35.50 - £40.50
4.8

Three Forts Challenge

Lancing Manor Leisure Centre, Manor Road, Lancing, West Sussex, BN15 0PH
Sun 03 May 26
£20.00 - £49.00

Victoria Park Half Marathon, 10k & 5k

London
Sun 03 May 26
£30.00 - £38.00
4.7

WIMBLEDON 10K & HALF MARATHON

London
Sun 03 May 26
£34.00 - £38.00
4.5

BigWayRound - Winchester

Winchester Rugby Club, Nuns Walk, Winchester, SO23 7EF
Mon 04 May 26
£40.53 - £59.64

Bank Holiday Madness May 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Mon 04 May 26
£18.00 - £27.00

PHOENIX - Freddo Mercury - Rhapsody Run

Walton-on-Thames, Surrey
Mon 04 May 26
£22.00 - £40.00

Magna Carta Summer

Wraysbury Skiff & Punting Club  Riverside  Egham  Surrey TW20 0AA
Sat 09 May 26
£37.36 - £58.59
4.3

The All Nations 5k, 10k and Half Marathon Run

Windsor, Berkshire
Sat 09 May 26
£25.00 - £30.00
4.3

The Spring Lucky Dip Run 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sun 10 May 26
£18.00 - £35.00

Run Gatwick Half Marathon & 5k

Crawley, West Sussex
Sun 10 May 26
£29.00 - £132.00

Richmond Park May 5k,10k and Half Marathon

London, Greater London
Sun 10 May 26
£25.00 - £30.00
4.5

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

Herne Bay, Kent
Sun 10 May 26
£25.00 - £30.00
5.0

PHOENIX - Zombie Run

Gravesend, Kent
Sun 10 May 26
£39.95

Rocky at 50 Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 16 May 26
£18.00 - £35.00

PHOENIX BEDFORDSHIRE UNICORNS AND MERMAIDS

Bedford, Bedfordshire
Sat 16 May 26
£22.00 - £39.95

PHOENIX - Rose Run

Dorking, Surrey
Sat 16 May 26
£22.00 - £39.95
5.0

Buckingham Half Marathon

Buckingham, Buckinghamshire
Sun 17 May 26
£30.00

PHOENIX - Dragon's Eye Race 1 - 2026

Cranleigh, Surrey
Sun 17 May 26
£27.00 - £40.00
4.7

Wimbledon Half Marathon

London
Sun 17 May 26
£41.60
3.6

Farmmageddon - 5k - 10k - Half - Full - Ultra - 100 Mile Challenge

Hyde Hall Farm, Buntingford, SG9 0RU
Sat 23 May 26 - Sun 24 May 26
£35.00 - £165.00
Showing 81-120 of 294 results
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