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Half Marathons Found in the South East
View all ↓Half Marathons In the South East 2025 - 2026
The most comprehensive list of Half Marathons in the South East in 2025 - 2026 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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Race Calendar: Half Marathons In the South East
🚀Boosted
Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.
Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00
🚀Boosted
MK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
04 May 25 - 05 May 25
£13.05 - £149.59
Battersea Park Half Marathon
London
10 May 25
£37.00 - £162.00
4.8
PHOENIX - Rose Run
Dorking, Surrey
10 May 25
£22.00 - £39.95
BEWL WATER 10KM, HALF MARATHON & ULTRA 50KM
Tunbridge Wells, Lamberhurst, East Sussex
10 May 25
£37.32 - £66.01
4.5
The All Nations 5k, 10k and Half Marathon Run
Windsor, Buckinghamshire
10 May 25
£22.00 - £25.00
4.4
Collingbourne Races
Crawlboys farm, Ludgershall, SP11 9PR
10 May 25
£21.44 - £32.04
4.7
Richmond Park May 5k,10k and Half Marathon
London, Greater London
11 May 25
£22.00 - £25.00
4.4
Colchester Zoo Stampede 10k
Colchester, Essex
18 May 25
£42.00 - £182.00
5.0
PHOENIX - Dragon's Eye Race 1
Cranleigh, Surrey
18 May 25
£27.00 - £40.00
5.0
Easy Does It Run
Staines, Middlesex
18 May 25
£27.00 - £40.00
Run2Paris May 2025
London
22 May 25 - 25 May 25
£950.00
Farmmaggeddon
Hyde Hall Farm, Buntingford, SG9 0RU
24 May 25 - 25 May 25
£33.00 - £165.00
Richmond Park Half Marathon
London
25 May 25
£40.00 - £172.00
4.4
ATW Chiltern Half Marathon & 10K
Bellingdon, Chesham, HP5 2XU
25 May 25
£25.44 - £33.92
RUN DORNEY 5K, 10K & HALF MARATHON
Windsor, Berkshire
25 May 25
£30.00 - £162.00
4.2
Midweek Run - Leon's Birthday Run!
Staines, Middlesex
30 May 25
£24.00 - £34.00
Circuit Du Sore Legs - part cinq
Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
01 Jun 25
£25.00 - £37.50
Weybridge 5k, 10k, Half Marathon & Fun Run
Walton-on-Thames, Surrey
01 Jun 25
£14.00 - £152.00
4.8
Midweek Chasing Numbers June 2025
Egham, Surrey
06 Jun 25
£24.00 - £34.00
Show me the Monet Marathons & Half Marathon
Milton Keynes, Buckinghamshire
07 Jun 25 - 08 Jun 25
£32.99 - £39.99
PHOENIX - The Purple Turtle Run
Sunbury on Thames, Middlesex
07 Jun 25
£22.00 - £40.00
Magna Carta Summer
Wraysbury Skiff & Punting Club Riverside Egham Surrey TW20 0AA
07 Jun 25
£37.32 - £58.53
4.0
The Pink Runner
Staines, Middlesex
07 Jun 25
£27.00 - £40.00
RUN DORNEY 5K, 10K & HALF MARATHON June 2025
Windsor, Berkshire
07 Jun 25
£30.00 - £162.00
4.2
Richmond Park June 5k, 10k and Half Marathon
London, Greater London
08 Jun 25
£22.00 - £25.00
4.4
PHOENIX - Are We There Yet Denbies
Dorking, Surrey
08 Jun 25
£22.00 - £39.95
ATW St Albans Half Marathon #icelollyrun
Verulamium Park, St Albans AL1 2DL
08 Jun 25
£11.66 - £42.40
The Summer Lucky Dip Run
Staines, Middlesex
08 Jun 25
£24.00 - £34.00
VICTORIA PARK 5K, 10K & HALF MARATHON
London
08 Jun 25
£28.00 - £152.00
4.7
PHOENIX Fridays - Friday the 13th
Sunbury on Thames, Middlesex
13 Jun 25
£26.00 - £33.00
My Little Care Bear Run
Staines, Middlesex
14 Jun 25
£27.00 - £40.00
Salisbury Plain Summer Edition
Old Fowler Barracks, Ludgershall road, Ludgershall, SP11 9RR.
14 Jun 25
£40.00 - £60.00
4.7
The Hampshire Hoppit - Marathon, Half Marathon, and 10k
Basingstoke, Hampshire
15 Jun 25
£31.00 - £59.00
5.0
RunThrough Wimbledon Common Half Marathon & 10k
London, Greater London
15 Jun 25
£32.00 - £162.00
4.9
SOUTHAMPTON RUNNING FESTIVAL
Southampton, Hampshire
15 Jun 25
£7.00 - £285.60
4.9
PHOENIX - Denbies Marathon / Half Marathon
Dorking, Surrey
21 Jun 25 - 22 Jun 25
£39.95
4.5
PHOENIX - Minotaur 50 Mile Ultra, Hydra 75 Mile Ultra & Centaur 100 Mile Ultra
Dorking, Surrey
21 Jun 25
£74.95 - £134.95
LEE VALLEY VELOPARK 1 MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater London
21 Jun 25
Free - £122.00
4.6
Midsummer Murder Trail Race
Henley-on-Thames, Oxfordshire
22 Jun 25
£27.00 - £29.00
5.0
Cock-a-doodle Dawdle
Hyde Hall Farm, Buntingford, SG9 0RU
28 Jun 25
£25.00 - £37.50
Midweek Chasing Numbers July 2025
Egham, Surrey
04 Jul 25
£24.00 - £34.00
Showing 121-160 of 251 results