0219

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

London

Race Calendar: Half Marathons In the South East

🚀Boosted

Folkestone Rotary Half Marathon

The Grand, The Leas, Folkestone, Kent,CT20 2XL
28 Sep 25
£4.56 - £32.74
4.0
🚀Boosted

Windsor Half Marathon 2025

Windsor, Windsor and Maidenhead
28 Sep 25
£44.00 - £48.00
4.7
🚀Boosted

Run Bournemouth

Bournemouth, Dorset
11 Oct 25 - 12 Oct 25
£15.00 - £44.75
4.5
🚀Boosted

THAMES PATH TRAIL RUN

Windsor, Berkshire
26 Oct 25
£35.00 - £40.00

VICTORIA PARK 5K, 10K & HALF MARATHON

London
13 Dec 25
£28.00 - £162.00
4.7

CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS

London
14 Dec 25
£7.00 - £122.00
4.6

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
£10.00 - £122.00
4.6

Die Hard Christmas Jumpers Marathon & Half Marathon

Milton Keynes, Buckinghamshire
24 Dec 25
£36.99 - £44.99

Christmas Cracker Day Run

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
25 Dec 25
£18.00 - £35.00

Boxing Day Challenge

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
26 Dec 25
£30.00

Year End Time Turner

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
27 Dec 25
£18.00 - £35.00

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

New Years Day Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
01 Jan 26
£18.00 - £35.00
5.0

FA Cup Run

Milton Keynes, Buckinghamshire
03 Jan 26 - 04 Jan 26
£36.99 - £42.99

Midweek Chasing Numbers Jan 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
09 Jan 26
£18.00 - £27.00
5.0

The Rise From The Ashes Run - South

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
10 Jan 26
£18.00 - £35.00

PHOENIX - Doughnut Dash

Sunbury on Thames, Middlesex
11 Jan 26
£39.95
5.0

Moors Valley Wildwood Trail Series Half Marathon & 10K

Ringwood, Hampshire
25 Jan 26
£22.00 - £32.00

Windsor Trail Run January

Windsor, Berkshire
25 Jan 26
£32.00 - £162.00

The One in the Woods - Henley

Henley-on-Thames
08 Feb 26
£10.00 - £35.00
4.5

Richmond Half Marathon Winter

Old Deer Park - Richmond Upon Thames TW9 2SF
15 Feb 26
£41.51

Hampton Court Half Marathon 2026

Thames Ditton, Surrey
15 Feb 26
£39.50
4.3

Dartford Half Marathon

Dartford, Kent
22 Feb 26
£12.00 - £142.00
4.5

Hampton Court Palace Half Marathon Presented by Nuun

East Molesey, Surrey
15 Mar 26
£47.00
4.2

Moo-rathon, Calf and Hen K

Hyde Hall Farm, Buntingford, SG9 0RU
21 Mar 26
£29.00 - £36.00
5.0

Hastings Half Marathon

Grosvenor Gardens, Sea Rd, Grosvenor Cres, Saint Leonards-on-sea TN38 0BX
22 Mar 26
£7.61 - £39.03

Surrey Half Marathon

Woking, Surrey
22 Mar 26
£17.00 - £192.00

Run the Wild Half Marathon - Spring

Tring, Hertfordshire
28 Mar 26
£55.00
5.0

The Eggcellent Easter Five in Five Days Series

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
02 Apr 26 - 06 Apr 26
£135.00

The Enigma Easter Series

Milton Keynes, Buckinghamshire
03 Apr 26 - 04 Apr 26
£35.99 - £42.99
5.0

Putney & Fulham Half Marathon

London
05 Apr 26
£41.51
4.9

Henley River Half Marathon, 10k & Junior Race April 2026

Henley-on-Thames, Oxfordshire
11 Apr 26
£7.00 - £142.00
4.5

London Landmarks Half Marathon

London, Greater London
12 Apr 26
£35.00
4.5

MK Marathon Weekend

Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
03 May 26
£23.72

Three Forts Challenge

Lancing Manor Leisure Centre, Manor Road, Lancing, West Sussex, BN15 0PH
03 May 26
£20.00 - £45.00

BigWayRound - Winchester

Winchester Rugby Club, Nuns Walk, Winchester, SO23 7EF
04 May 26
£40.53 - £59.64

Wimbledon Half Marathon

London
17 May 26
£39.48
3.6

Farmmageddon - 5k - 10k - Half - Full - Ultra - 100 Mile Challenge

Hyde Hall Farm, Buntingford, SG9 0RU
23 May 26 - 24 May 26
£35.00 - £165.00

Circuit du Sore Legs

Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
31 May 26
£29.00 - £38.00

Show me the Manet Marathons & Half Marathon

Milton Keynes, Buckinghamshire
06 Jun 26 - 07 Jun 26
£34.99 - £42.99
4.5

Weybridge 5k, 10k, Half Marathon & Junior Race

Walton-on-Thames, Surrey
07 Jun 26
£16.00 - £162.00
4.8
Showing 161-200 of 219 results
Prev
1 2 3 4 5 6
Next

Cookie settings

Cookies are small text files that a website stores on a user's device, such as a computer or a smartphone. When a user visits a website, a cookie may be set to track information such as the user's preferences, login information, or items in a shopping cart. Cookies are not harmful and are typically deleted when a user clears their browser cache or the cookie expires.

Strictly necessary cookies are a type of cookie that is essential for a website to function properly. These cookies are necessary to provide services requested by the user, such as login authentication, shopping cart functionality, and other similar features.

Strictly necessary cookies do not require the user's consent, as they are essential for the proper functioning of the website.

Learn more about our Strictly necessary cookies

Tracking and targeting cookies are a type of cookie used by websites to collect information about a user's browsing behaviour across multiple websites. These cookies are often used for advertising purposes and can track the user's interests and some personal information.

Targeting cookies are used to display personalised advertisements to the user based on their browsing history, search history, and other online activity.

Learn more about our Tracking and targeting cookies