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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 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
Wendover Woods Marathon, Half Marathon & 10k
Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQ
02 Nov 25
£6.65 - £48.96
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
Midweek Medal Madness Run August
Wraysbury Skiff & Punting Club, Egham, TW20 0AE
15 Aug 25
£18.00 - £27.00
You Crazy Fool Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
17 Aug 25
£18.00 - £35.00
PHOENIX - Summer Marathon & Half Marathon
Sunbury on Thames, Middlesex
23 Aug 25
£33.50
LEE VALLEY VELOPARK 1 MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater London
23 Aug 25
£10.00 - £122.00
4.6
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
PHOENIX - Summer Sun - Day 1
Gravesend, Kent
29 Aug 25
£39.95
Henley River 10k & Half Marathon
Henley-on-Thames, Oxfordshire
30 Aug 25
£30.00 - £142.00
4.5
PHOENIX - Summer Sun - Day 2
Gravesend, Kent
30 Aug 25
£39.95
PHOENIX - Summer Sun - Day 3
Gravesend, Kent
31 Aug 25
£39.95
SOUTHAMPTON RUNNING FESTIVAL
Southampton, Hampshire
31 Aug 25
£12.00 - £285.60
4.8
PHOENIX - Summer Sun - Day 4
Gravesend, Kent
01 Sep 25
£39.95
PHOENIX - Summer Sun - Day 5
Gravesend, Kent
02 Sep 25
£39.95
PHOENIX - Summer Sun - Day 6
Gravesend, Kent
03 Sep 25
£39.95
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
RunThrough Wimbledon Common Half Marathon & 10k
London, Greater London
07 Sep 25
£32.00 - £162.00
4.9
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 & Juniors
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
Showing 1-40 of 219 results