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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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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
Midweek Chasing Numbers Aug 2025
Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
01 Aug 25
£27.00
Football League Original 12 Run
Milton Keynes, Buckinghamshire
02 Aug 25 - 03 Aug 25
£36.99 - £42.99
RUN DORNEY 5K, 10K & HALF MARATHON
Windsor, Berkshire
09 Aug 25
£30.00 - £162.00
4.2
Great British Bake Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
09 Aug 25
£27.00 - £35.00
4.5
PHOENIX - The Painted Cow Run
Dorking, Surrey
09 Aug 25
£22.00 - £39.95
Richmond Park Half Marathon
London
10 Aug 25
£42.00 - £182.00
4.4
PHOENIX - Prosecco Run
Dorking, Surrey
10 Aug 25
£22.00 - £39.95
5.0
Midweek Medal Madness Run August
Wraysbury Skiff & Punting Club, Egham, TW20 0AE
15 Aug 25
£27.00
Richmond Park August 5k, 10k and Half Marathon
London, Greater London
17 Aug 25
£22.00 - £25.00
4.4
You Crazy Fool Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
17 Aug 25
£27.00 - £35.00
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
23 Aug 25
£33.50
PHOENIX - Area 50-Run
Walton-on-Thames, Surrey
24 Aug 25
£22.00 - £40.00
PHOENIX - 2 Weird 2 Run
Walton-on-Thames, Surrey
25 Aug 25
£22.00 - £40.00
Henley River 10k & Half Marathon
Henley-on-Thames, Oxfordshire
30 Aug 25
£30.00 - £142.00
4.5
Will Run For Ice Cream - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
30 Aug 25
£27.00 - £35.00
SOUTHAMPTON RUNNING FESTIVAL
Southampton, Hampshire
31 Aug 25
£7.00 - £285.60
4.8
Andover Trail Marathon & Half
Kings road, Enham Alamien, Andover, SP11 6HP. Post code is for the car park.
06 Sep 25
£35.00 - £45.00
4.8
ATW Bedford Running Festival
Russell Park, The Embankment, Bedford MK40 3RH
06 Sep 25 - 07 Sep 25
£12.72 - £42.40
RunThrough Wimbledon Common Half Marathon & 10k
London, Greater London
07 Sep 25
£32.00 - £162.00
4.9
Richmond Park September 5k, 10k and Half Marathon
London, Greater London
07 Sep 25
£22.00 - £25.00
4.4
Run2Paris September 2025
London
10 Sep 25 - 14 Sep 25
£950.00
Midweek Chasing Numbers September
Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
12 Sep 25
£27.00
PHOENIX Fridays - Flying Feet Friday 2025
Walton-on-Thames, Surrey
12 Sep 25
£26.00 - £33.00
Bewl Water Autumn
Wadhurst
13 Sep 25
£37.36 - £66.01
4.5
Coronation Scot Marathons & Half Marathon
Milton Keynes, Buckinghamshire
13 Sep 25 - 14 Sep 25
£34.99 - £42.99
The River Run
Shoreham-by-Sea, West Sussex
14 Sep 25
£32.00 - £214.20
PHOENIX - Dragon's Eye Race 2
Cranleigh, Surrey
14 Sep 25
£27.00 - £40.00
5.0
Richmond Half Marathon @ Richmond RUNFEST
Richmond, Greater London
14 Sep 25
£35.00
5.0
Fraggle Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
20 Sep 25
£27.00 - £35.00
Richmond Park Half Marathon
London
21 Sep 25
£42.00 - £182.00
4.4
Winchester Half Marathon
Winchester City Centre
21 Sep 25
£10.82 - £40.53
5.0
Run Reigate 5k, 10k, Half Marathon & Kids Race
Reigate, Surrey
21 Sep 25
£19.00 - £44.00
PHOENIX Fridays - The Run and Only Friday 2025
Walton-on-Thames, Surrey
26 Sep 25
£26.00 - £33.00
RUN DORNEY 5K, 10K & HALF MARATHON
Windsor, Berkshire
27 Sep 25
£30.00 - £162.00
4.2
PHOENIX - Hot Lips Run
Walton-on-Thames, Surrey
27 Sep 25
£22.00 - £40.00
Windsor Half Marathon 2025
Windsor, Windsor and Maidenhead
28 Sep 25
£44.00 - £48.00
4.7
Swindon Half Marathon Presented By Voltarol
Swindon
28 Sep 25
£42.00 - £182.00
ATW Welwyn Half Marathon & 10k
Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
28 Sep 25
£30.74 - £39.22
The One on the Trail - Marlow
Marlow
28 Sep 25
£10.00 - £35.00
Showing 121-160 of 250 results