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Half Marathons Found in the South East

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Half Marathons In the South East 2026 - 2027

The most comprehensive list of Half Marathons in the South East in 2026 - 2027 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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London

Race Calendar: Half Marathons In the South East

🚀Boosted

Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun

Herne Bay, Kent
Sat 07 Nov 26
£15.00 - £35.00
4.9
🚀Boosted

Kingston Half Marathon

Kingston upon Thames, Surrey
Sun 22 Nov 26
£40.45
🚀Boosted

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sat 28 Nov 26
£40.00
🚀Boosted

Colchester Half Marathon

The JobServe Community Stadium, United Way, Colchester, CO4 5UP
Sun 14 Mar 27
Free - £40.00

Year End Time Turner 2026

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Sun 27 Dec 26
£18.00 - £35.00
4.0

Phoenix Crystal Palace - Alice in Runderland

London
Sun 27 Dec 26
£22.00 - £39.95

PHOENIX - Year End Marathon & Half Marathon

Walton-on-Thames, Surrey
Mon 28 Dec 26
£33.50
5.0

PHOENIX - Frozen Phoenix

Walton-on-Thames, Surrey
Tue 29 Dec 26
£27.00 - £40.00

PHOENIX - Winter Runderland

Walton-on-Thames, Surrey
Wed 30 Dec 26
£27.00 - £40.00
4.0

New Years Day Run 2027

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 01 Jan 27
£18.00 - £36.00
5.0

Running 9 to 5

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 02 Jan 27
£18.00 - £36.00

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sat 02 Jan 27
£39.97

Winter Enigma Marathon & Half Marathon

Milton Keynes
Sat 02 Jan 27 - Sun 03 Jan 27
£39.99 - £49.99

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sun 03 Jan 27
£40.00

Rhino Run - Runnymede

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Sun 03 Jan 27
£27.00 - £36.00

Battersea 5k, 10k & Half Marathon

London
Sat 09 Jan 27
£36.00 - £42.00
4.8

Leaf Not Beef

Winchester, Hampshire
Sat 09 Jan 27
£39.95

The Safari Sprint

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 09 Jan 27
£18.00 - £36.00

PHOENIX - Duckython - Mucky Ducky

Walton-on-Thames, Surrey
Sat 09 Jan 27
£22.00 - £40.00

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sat 09 Jan 27
£40.00

Victoria Park Half Marathon, 10k & 5k

London
Sun 10 Jan 27
£30.00 - £38.00
4.7

PHOENIX - Doughnut Dash

Walton-on-Thames, Surrey
Sun 10 Jan 27
£39.95
5.0

WINCHESTER TRAIL RUN

Winchester, Sparsholt, Hampshire
Sun 10 Jan 27
£39.50 - £44.50

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sun 10 Jan 27
£40.00

Dolly Run

Winchester, Hampshire
Sat 16 Jan 27
£39.95

PHOENIX - Oceans Run

Walton-on-Thames, Surrey
Sat 16 Jan 27
£22.00 - £40.00

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sat 16 Jan 27
£40.00

PHOENIX - Ninja Run

Walton-on-Thames, Surrey
Sun 17 Jan 27
£22.00 - £40.00
5.0

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sun 17 Jan 27
£39.48

Time Warp Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 23 Jan 27
£18.00 - £36.00

PHOENIX - Lizard in a Blizzard

Walton-on-Thames, Surrey
Sat 23 Jan 27
£22.00 - £40.00

Finsbury Park 5k, 10k, Half Marathon & Junior Run

London
Sun 24 Jan 27
£11.00 - £34.00
4.3

PHOENIX - Spinning Around Run

Walton-on-Thames, Surrey
Sun 24 Jan 27
£22.00 - £40.00

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sun 24 Jan 27
£40.00

Midweek Chasing Numbers Jan 2027

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 29 Jan 27
£18.00 - £27.00
5.0

Lee Valley Velo Park

London, Greater London
Sat 30 Jan 27
£11.00 - £34.00
4.7

Whingeathon

Winchester, Hampshire
Sat 30 Jan 27
£39.95

The Winter Lucky Dip Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 30 Jan 27
£18.00 - £33.00

QUEEN ELIZABETH COUNTRY PARK TRAIL RUN

Horndean, Hampshire
Sat 30 Jan 27
£34.50 - £44.50
4.5

Battersea Park Half Marathon - Winter

Battersea Park next to the Bandstand - SW11 4NJ
Sun 31 Jan 27
£41.60
4.6

CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS

London, Greater London
Sun 31 Jan 27
£12.00 - £37.00
4.7

Windsor Trail Half Marathon & 10k

Windsor, Berkshire
Sun 31 Jan 27
£37.00 - £45.00

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8   are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9   is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham,  Bucks, HP5 1AG.
Sun 31 Jan 27
£40.00

The Zipping Zebra Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 06 Feb 27
£18.00 - £36.00
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