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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
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
Richmond Park December 5k,10k and Half Marathon
London, Greater London
14 Dec 25
£25.00 - £30.00
4.4
LEE VALLEY VELOPARK - MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater London
20 Dec 25
Free - £122.00
4.6
Die Hard Christmas Jumpers Marathon & Half Marathon
Milton Keynes, Buckinghamshire
24 Dec 25
£36.99 - £44.99
Boxing Day Challenge
Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
26 Dec 25
£30.00
PHOENIX - Year End Marathon & Half Marathon
Sunbury on Thames, Middlesex
28 Dec 25
£33.50
5.0
PHOENIX - Frozen Phoenix
Sunbury on Thames, Middlesex
29 Dec 25
£27.00 - £40.00
PHOENIX - Winter Runderland
Sunbury on Thames, Middlesex
30 Dec 25
£27.00 - £40.00
4.0
FA Cup Run
Milton Keynes, Buckinghamshire
03 Jan 26 - 04 Jan 26
£36.99 - £42.99
PHOENIX - Doughnut Dash
Sunbury on Thames, Middlesex
11 Jan 26
£39.95
5.0
The One in the Woods - Henley
Henley-on-Thames
08 Feb 26
£10.00 - £35.00
4.5
Hampton Court Half Marathon 2026
Thames Ditton, Surrey
15 Feb 26
£39.50
4.3
Richmond Half Marathon Winter
Old Deer Park - Richmond Upon Thames TW9 2SF
15 Feb 26
£41.51
Dartford Half Marathon
Dartford, Kent
22 Feb 26
£7.00 - £142.00
4.5
Hampton Court Palace Half Marathon Presented by Nuun
East Molesey, Surrey
15 Mar 26
£42.00
4.2
Moo-rathon, Calf and Hen K
Hyde Hall Farm, Buntingford, SG9 0RU
21 Mar 26
£29.00 - £36.00
5.0
Surrey Half Marathon
Woking, Surrey
22 Mar 26
£17.00 - £192.00
Hastings Half Marathon
Grosvenor Gardens, Sea Rd, Grosvenor Cres, Saint Leonards-on-sea TN38 0BX
22 Mar 26
£7.61 - £39.03
Henley River Half Marathon, 10k & Junior Race April 2026
Henley-on-Thames, Oxfordshire
11 Apr 26
£7.00 - £142.00
4.5
Henley River 10k, Half Marathon & Junior Race September 2026
Henley-on-Thames, Oxfordshire
05 Sep 26
£7.00 - £142.00
4.5
Hampton Court Palace Half Marathon Presented by Nuun
East Molesey, Greater London
18 Oct 26
£42.00 - £202.00
4.2
Hertfordshire Half Marathon & 10k
Knebworth, Hertfordshire
01 Nov 26
£32.00 - £182.00
4.5
Zodiac Run
02 Jan 25 - 31 Dec 25
£10.00
Offer
Thanks for booking a Running Bug event through findarace.com - 10% OFF
Worthing Runfest Half Marathon & 10K 2025
Worthing, West Sussex
04 May 25
£38.50 - £43.00
4.8
MK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
04 May 25 - 05 May 25
£13.05 - £160.24
Ranelagh Half Marathon
Richmond, Surrey
11 May 25
£40.00
Colchester Zoo Stampede 10k
Colchester, Essex
18 May 25
£42.00 - £182.00
5.0
Richmond Park June 5k, 10k and Half Marathon
London, Greater London
08 Jun 25
£25.00 - £30.00
4.4
Jaws 50th Anniversary Marathons & Half Marathon
Milton Keynes, Buckinghamshire
05 Jul 25
£39.99 - £49.99
The ONE British PB 5k,10k and Half Marathon Run
Guildford, Surrey
26 Jul 25
£25.00 - £35.00
BATTERSEA PARK RUNNING FESTIVAL
London
18 Oct 25
£7.00 - £152.00
Showing 201-230 of 230 results