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Half Marathons Found in the South East

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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

Hendy Tunbridge Wells Half Marathon

Fusion Sports Centre, St John's Road, Tunbridge Wells, Kent, TN4 9TX
23 Feb 25
£33.78
🚀Boosted

Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.

Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00
🚀Boosted

MK Marathon Weekend

Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
04 May 25 - 05 May 25
£13.05 - £149.59

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

Running Tribe Races

Chalfont St Peter Cricket Club, Chalfont Park Sports Association, Chalfont Park, Chalfont St Peter, Gerrards Cross SL9 0QA
14 Dec 24 - 13 Dec 25
£37.50

Midweek Medal Madness Run Feb 2025

Staines, Middlesex
21 Feb 25
£24.00 - £34.00

PHOENIX - We're All Mad Here

Sunbury on Thames, Middlesex
22 Feb 25
£22.00 - £40.00
5.0

Awbridge Half Marathon & 10 Mile Race

Romsey, Hampshire
23 Feb 25
£25.00 - £30.00

London Half, 10k & Juniors at Queen Elizabeth Olympic Park

London, Greater London
23 Feb 25
£12.00 - £162.00

The Milton Keynes 5k, 10k and Half Marathon Winter Warmer Run

Milton Keynes
23 Feb 25
£25.00 - £30.00
4.0

The Who Framed Roger Rabbit Love Run

Staines, Middlesex
23 Feb 25
£27.00 - £40.00

PHOENIX - Alice in Runderland

Sunbury on Thames, Middlesex
23 Feb 25
£22.00 - £40.00
4.5

ATW Bedford Half Marathon & 10k

Russell Park, Bedford, Bedfordshire, MK40 3RH
23 Feb 25
£30.74 - £39.22

Hendy Tunbridge Wells Half Marathon

Fusion Sports Centre, St John's Road, Tunbridge Wells, Kent, TN4 9TX
23 Feb 25
£33.78

PHOENIX - The Dragon Run

Sunbury on Thames, Middlesex
01 Mar 25
£22.00 - £40.00

Kempton Park 5k, 10k & Half Marathon

Sunbury on Thames, Middlesex
01 Mar 25
£28.00 - £152.00

Dartford Half Marathon

Dartford, Kent
02 Mar 25
£7.00 - £142.00
4.5

Richmond Park Half Marathon

London
02 Mar 25
£42.00 - £182.00
4.4

PHOENIX - Thou Shalt Run

Sunbury on Thames, Middlesex
02 Mar 25
£22.00 - £40.00

Midweek Chasing Numbers Mar 2025

Staines, Middlesex
07 Mar 25
£24.00 - £34.00

PHOENIX Fridays - Blue Bridge Friday

Sunbury on Thames, Middlesex
07 Mar 25
£26.00 - £33.00

Battersea Park Half Marathon

London
08 Mar 25
£37.00 - £162.00
4.8

PHOENIX - Reloaded Run 2025

Gravesend, Kent
08 Mar 25
£39.95

New Forest South Trail Run

Hinton Admiral, Hampshire
08 Mar 25
£30.00 - £40.00

VICTORIA PARK 5K, 10K & HALF MARATHON

London
09 Mar 25
£28.00 - £152.00
4.7

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
09 Mar 25
£30.00 - £162.00
4.2

PHOENIX - All Stars Run 2025

Gravesend, Kent
09 Mar 25
£39.95

Richmond Park March 5k, 10k and Half Marathon

London
09 Mar 25
£22.00 - £25.00
4.4

Brett Lydd Half Marathon & 20 Mile

The Banks Sports & Social Club, Dennes Lane, Lydd, Romney Marsh, Kent, TN29 9JY
09 Mar 25
£31.99 - £34.10

Spice Up Your Run

Staines, Middlesex
09 Mar 25
£27.00 - £40.00

Thames Meander Spring

Petersham & Ham Sea Scouts HQ, Douglas House Meadow, Richmond, TW10 7AH
09 Mar 25
£37.36 - £58.59
4.6

PHOENIX - Spring Marathon & Half Marathon

Sunbury on Thames, Middlesex
15 Mar 25
£33.50

SURREY HALF MARATHON & 5K

Woking, Surrey
16 Mar 25
£7.00 - £182.00
5.0

The Richmond Spring Riverside 10k and Half Marathon Run

Richmond, Greater London
16 Mar 25
£22.00 - £25.00

Reading 1020

Reading, Berkshire
16 Mar 25
£27.00 - £31.00
4.8

PHOENIX - Rinky Dink Pink Run 2025

Sunbury on Thames, Middlesex
16 Mar 25
£22.00 - £40.00

PHOENIX Fridays - Big Bling Friday

Sunbury on Thames, Middlesex
21 Mar 25
£26.00 - £33.00

The Moo-rathon, Calf and Hen k (at the Farm) Run - Full, Half, 10k

Hyde Hall Farm, Buntingford, SG9 0RU
22 Mar 25
£27.00 - £37.50
5.0

CHICHESTER HARBOUR TRAIL RUN

134 Main Rd (A259), Entrance via Thorney Rd Southbourne - Between Portsmouth and Chichester Emsworth PO10 8BN
22 Mar 25
£35.00 - £40.00

PHOENIX - Dragonfly Run 2025

Sunbury on Thames, Middlesex
23 Mar 25
£22.00 - £40.00

Hastings Half Marathon

Grosvenor Gardens, Sea Rd, Grosvenor Cres, Saint Leonards-on-sea TN38 0BX
23 Mar 25
£7.61 - £41.12

The One in the Park - Victoria - March

London
23 Mar 25
£26.00 - £35.00
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