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Half Marathons Found in the South East

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Half Marathons In the South East 2024 - 2025

The most comprehensive list of Half Marathons in the South East in 2024 - 2025 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

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Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.

Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00

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

RUN DORNEY 5K, 10K & HALF MARATHON June 2025

Windsor, Berkshire
07 Jun 25
£30.00 - £162.00
4.2

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

The Fix Addiction 5k, 10k and Half Marathon

Windsor, Buckinghamshire
05 Jul 25
£22.00 - £25.00
5.0

Jaws 50th Anniversary Marathons & Half Marathon

Milton Keynes, Buckinghamshire
05 Jul 25
£34.99 - £42.99

Chiltern Ridge Half Marathon

Aylesbury, Buckinghamshire
06 Jul 25
£32.00
4.3

Richmond Park Half Marathon

London
06 Jul 25
£40.00 - £172.00
4.4

Running GP at Goodwood Motor Circuit Races & Duathlons July

Chichester, West Sussex
06 Jul 25
£28.00 - £232.00

Live Aid 40th Anniversary Marathon Half Marathon & 50km

Milton Keynes, Buckinghamshire
12 Jul 25 - 13 Jul 25
£34.99 - £42.99

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
13 Jul 25
£30.00 - £162.00
4.2

RunThrough Wimbledon Common Half Marathon & 10k

London, Greater London
27 Jul 25
£32.00 - £162.00
4.9

The One to the Castle - Windsor

Windsor, Berkshire
27 Jul 25
£35.00

Football League Original 12 Run

Milton Keynes, Buckinghamshire
02 Aug 25 - 03 Aug 25
£34.99 - £42.99

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
09 Aug 25
£30.00 - £162.00
4.2

Richmond Park Half Marathon

London
10 Aug 25
£40.00 - £172.00
4.4

PHOENIX - Prosecco Run

Dorking, Surrey
10 Aug 25
£22.00 - £39.95
5.0

LEE VALLEY VELOPARK 1 MILE, 5K, 10K, 10 MILE & HALF MARATHON

London, Greater London
23 Aug 25
Free - £122.00
4.6

PHOENIX - Summer Marathon & Half Marathon

Sunbury on Thames, Middlesex
30 Aug 25
£33.50

ATW Bedford Running Festival

Russell Park, The Embankment, Bedford MK40 3RH
06 Sep 25 - 07 Sep 25
£12.72 - £42.40
Showing 161-200 of 254 results
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