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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 :-)
Popular & Featured
Race Calendar: Half Marathons In the South East
🚀Boosted
Bewl Water Autumn
Bewl Water Visitor Centre HQ, Bewl Water, Bewlbridge Ln, Lamberhurst, Wadhurst TN3 8JH
13 Sep 25
£37.36 - £66.01
4.6
🚀Boosted
Windsor Half Marathon 2025
Windsor, Windsor and Maidenhead
28 Sep 25
£44.00 - £48.00
4.7
🚀Boosted
Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun
Herne Bay, Kent
01 Nov 25
£12.00 - £30.00
5.0
🚀Boosted
RUN Battersea Park Half Marathon
Battersea Park next to the Bandstand - SW11 4NJ
16 Nov 25
£33.11
Run the Thames Bridges - half marathon
London
16 Feb 24 - 31 Dec 25
£17.00 - £24.00
5.0
Run the Ghost Tubes - Half Marathon & 10K
London
01 Oct 24 - 31 Dec 25
£14.00 - £17.00
5.0
Henry VIII's Wives Half Marathon
London
01 Jul 25 - 31 Dec 25
£17.00
PHOENIX - Summer Sun - Day 7
Gravesend, Kent
04 Sep 25
£39.95
PHOENIX - Summer Sun - Day 8
Gravesend, Kent
05 Sep 25
£39.95
ATW Bedford Running Festival
Russell Park, The Embankment, Bedford MK40 3RH
06 Sep 25 - 07 Sep 25
£12.72 - £42.40
PHOENIX - Summer Sun - Day 9
Gravesend, Kent
06 Sep 25
£39.95
The Shere 42k, Half Marathon & 10k
Shere Recreation Ground, Upper Street, Shere, Surrey, GU5 9JF
06 Sep 25
£27.50 - £80.00
4.5
PHOENIX - Summer Sun - Day 10
Gravesend, Kent
07 Sep 25
£39.95
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
£18.00 - £27.00
5.0
Bewl Water Autumn
Bewl Water Visitor Centre HQ, Bewl Water, Bewlbridge Ln, Lamberhurst, Wadhurst TN3 8JH
13 Sep 25
£37.36 - £66.01
4.6
Coronation Scot Marathons & Half Marathon
Milton Keynes, Buckinghamshire
13 Sep 25 - 14 Sep 25
£32.99 - £42.99
PHOENIX - Dragon's Eye Race 2
Cranleigh, Surrey
14 Sep 25
£27.00 - £40.00
4.7
Basildon Half Marathon In Partnership with Utilize
Basildon, Essex
14 Sep 25
£7.00 - £34.00
PHOENIX Fridays - Flying Feet Friday 2025
Walton-on-Thames, Surrey
19 Sep 25
£26.00 - £33.00
PHOENIX - Seahorse Run 2025
Walton-on-Thames, Surrey
20 Sep 25
£22.00 - £40.00
PHOENIX - Bumblebee Run 2025
Walton-on-Thames, Surrey
21 Sep 25
£22.00 - £40.00
Fraggle Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
21 Sep 25
£18.00 - £35.00
Richmond Park Half Marathon
London
21 Sep 25
£42.00 - £182.00
4.4
Run Reigate Half Marathon, 10k, 5k & Kids Race
Reigate, Surrey
21 Sep 25
£19.00 - £44.00
Winchester Half Marathon
Winchester City Centre
21 Sep 25
£10.82 - £47.97
5.0
PHOENIX Fridays - The Run and Only Friday 2025
Walton-on-Thames, Surrey
26 Sep 25
£26.00 - £33.00
Battersea Park Half Marathon Presented by TREK
London
27 Sep 25
£40.00 - £182.00
4.7
Romp Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
27 Sep 25
£18.00 - £35.00
PHOENIX - Hot Lips Run
Walton-on-Thames, Surrey
27 Sep 25
£22.00 - £40.00
RUN DORNEY 5K, 10K & HALF MARATHON
Windsor, Berkshire
27 Sep 25
£30.00 - £162.00
4.2
Street Child - Craft Half & 10K
London
28 Sep 25
£25.00 - £40.00
Something to talk about
Avon Tyrrell Outdoor Activity Centre, Bransgore, Christchurch BH23 8EE
28 Sep 25
£39.50
Swindon Half Marathon Presented By Voltarol
Swindon
28 Sep 25
£47.00 - £212.00
Hever Castle Run Series
Edenbridge, Kent
28 Sep 25
£35.00 - £65.00
4.2
The One on the Trail - Marlow
Marlow
28 Sep 25
£10.00 - £35.00
Richmond Park Half Marathon
Richmond Park, Sheen Gate Car Park Area. TW10 5HT
28 Sep 25
£53.28
Folkestone Rotary Half Marathon
The Grand, The Leas, Folkestone, Kent,CT20 2XL
28 Sep 25
£4.56 - £32.74
4.0
ATW Welwyn Half Marathon & 10k
Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
28 Sep 25
£30.74 - £39.22
Windsor Half Marathon 2025
Windsor, Windsor and Maidenhead
28 Sep 25
£44.00 - £48.00
4.7
PHOENIX - Space Race - 2025
Walton-on-Thames, Surrey
28 Sep 25
£22.00 - £40.00
Run Barns Green Half Marathon, 10K and 5k
Horsham, West Sussex
28 Sep 25
£17.50 - £34.00
5.0
Midweek Chasing Numbers Oct 2025
Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
03 Oct 25
£18.00 - £27.00
5.0
PHOENIX Fridays - Frisky Phoenix Friday 2025
Walton-on-Thames, Surrey
03 Oct 25
£26.00 - £33.00
Showing 1-40 of 236 results