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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!
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Popular & Featured
Race Calendar: Half Marathons In the South East
🚀Boosted
BEWL WATER 10KM, HALF MARATHON & ULTRA 50KM
Tunbridge Wells, Lamberhurst, East Sussex
10 May 25
£37.36 - £66.01
4.5
🚀Boosted
The Hampshire Hoppit - Marathon, Half Marathon, and 10k
Basingstoke, Hampshire
15 Jun 25
£31.00 - £59.00
5.0
🚀Boosted
Run Bournemouth
Bournemouth, Dorset
11 Oct 25 - 12 Oct 25
£15.00 - £44.75
4.5
🚀Boosted
Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun
Herne Bay, Kent
01 Nov 25
£11.00 - £27.00
5.0
Run the Thames Bridges - half marathon
London
16 Feb 24 - 30 Apr 25
£17.00 - £24.00
5.0
Run the Ghost Tubes - Half Marathon & 10K
London
01 Oct 24 - 30 Apr 25
£14.00 - £17.00
Rise From The Ashes - Inferno Run
Wraysbury Skiff Club, Runnymede Pleasure Grounds, Windsor Road, Egham, TW20 0AE
16 Apr 25
£27.00
5.0
Rise From The Ashes - Spitting Feathers
Wraysbury Skiff Club, Runnymede Pleasure Grounds, Windsor Road, Egham, TW20 0AE
17 Apr 25
£27.00
5.0
PHOENIX - The Adversity Potion Run
Sunbury on Thames, Middlesex
17 Apr 25
£22.00 - £39.95
Rise From The Ashes - Fire Bird Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
18 Apr 25
£27.00
5.0
VICTORIA PARK 5K, 10K & HALF MARATHON
London
18 Apr 25
£28.00 - £162.00
4.7
PHOENIX - The Intrepid Potion Run
Sunbury on Thames, Middlesex
18 Apr 25
£22.00 - £39.95
Rise From The Ashes - Arctic Fire Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
19 Apr 25
£27.00 - £35.00
5.0
PHOENIX - The Indomitable Potion Run
Sunbury on Thames, Middlesex
19 Apr 25
£22.00 - £39.95
Rise From The Ashes - Healing Tears Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
20 Apr 25
£27.00 - £35.00
5.0
CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS
London
20 Apr 25
£7.00 - £122.00
4.6
PHOENIX - The Unbreakable Potion Run
Sunbury on Thames, Middlesex
20 Apr 25
£22.00 - £39.95
Rise From The Ashes - Song Bird Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
21 Apr 25
£27.00
5.0
PHOENIX - The Invincible Potion Run
Sunbury on Thames, Middlesex
21 Apr 25
£22.00 - £39.95
ATW Stevenage Spring Half Marathon & 10k
Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage
21 Apr 25
£28.62 - £37.10
Lee Valley VeloPark 1 mile, 5k, 10k, 10 Mile & Half Marathon - June
London, Greater London
26 Apr 25
Free - £122.00
4.6
Magna Carta Spring
Wraysbury Skiff & Punting Club Riverside Egham Surrey TW20 0AA
26 Apr 25
£37.36 - £58.59
4.0
PHOENIX - NOT the London Marathon Run 2025
Sunbury on Thames, Middlesex
27 Apr 25
£39.95
Richmond Park April 5k, 10k and Half Marathon Run
London, Greater London
27 Apr 25
£25.00 - £30.00
4.4
Midweek Chasing Numbers May 2025
Wraysbury Skiff & Punting Club, Egham, TW20 0AE
02 May 25
£27.00
Mid Sussex Marathon Weekend
East Grinstead, Haywards Heath, Burgess Hill
03 May 25 - 05 May 25
£6.59 - £72.60
VICTORIA PARK 5K, 10K & HALF MARATHON
London
04 May 25
£28.00 - £162.00
4.7
MK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
04 May 25 - 05 May 25
£13.05 - £160.24
Bank Holiday Madness May 2025
Unit 2, Last Hop, Thames Edge, Clarence Street, Staines TW18 4SU
05 May 25
£27.00
The All Nations 5k, 10k and Half Marathon Run
Windsor, Buckinghamshire
10 May 25
£25.00 - £30.00
4.4
PHOENIX - Rose Run
Dorking, Surrey
10 May 25
£22.00 - £39.95
Collingbourne Races
Crawlboys farm, Ludgershall, SP11 9PR
10 May 25
£21.44 - £32.04
4.7
Battersea Park Half Marathon
London
10 May 25
£37.00 - £162.00
4.8
BEWL WATER 10KM, HALF MARATHON & ULTRA 50KM
Tunbridge Wells, Lamberhurst, East Sussex
10 May 25
£37.36 - £66.01
4.5
Richmond Park May 5k,10k and Half Marathon
London, Greater London
11 May 25
£25.00 - £30.00
4.4
Ranelagh Half Marathon
Richmond, Surrey
11 May 25
£40.00
Sausage Dog Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
11 May 25
£27.00 - £35.00
PHOENIX Fridays - Prehistoric Friday
Walton-on-Thames, Surrey
16 May 25
£26.00 - £33.00
PHOENIX - Dragon's Eye Race 1
Cranleigh, Surrey
18 May 25
£27.00 - £40.00
5.0
Easy Does It Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
18 May 25
£27.00 - £35.00
Wimbledon Half Marathon
London
18 May 25
£39.48
3.6
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
£42.00 - £182.00
4.4
Showing 1-40 of 243 results