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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

BEWL WATER 10KM, HALF MARATHON & ULTRA 50KM

Tunbridge Wells, Lamberhurst, East Sussex
10 May 25
£37.36 - £66.01
4.5
🚀Boosted

The Hampshire Hoppit - Marathon, Half Marathon, and 10k

Basingstoke, Hampshire
15 Jun 25
£31.00 - £59.00
5.0

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

PHOENIX Fridays - Animal Magic Friday

Sunbury on Thames, Middlesex
04 Apr 25
£26.00 - £33.00

Putney & Fulham Half Marathon

London, Greater London
06 Apr 25
£41.51
4.9

PHOENIX - Stag & Hen Run

Sunbury on Thames, Middlesex
06 Apr 25
£22.00 - £40.00

Conquer Crystal Palace 5k, 10k & Half Marathon

London, Greater London
06 Apr 25
£22.00 - £25.00
4.2

PHOENIX - The Silver Potion Run

Sunbury on Thames, Middlesex
10 Apr 25
£22.00 - £39.95

Midweek Medal Madness Run April 2025

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
11 Apr 25
£27.00

PHOENIX - The Golden Potion Run

Sunbury on Thames, Middlesex
11 Apr 25
£22.00 - £39.95

Ultra X Spring Trail Series (25km, 50km, 75km)

Liphook, Hampshire
12 Apr 25
£35.00 - £125.00

Rise From The Ashes - Baptism of Fire

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
12 Apr 25
£27.00 - £35.00
5.0

PHOENIX - The Fortitude Potion Run

Sunbury on Thames, Middlesex
12 Apr 25
£22.00 - £39.95

Henley River 10k & Half Marathon

Henley-on-Thames, Oxfordshire
12 Apr 25
£30.00 - £142.00
4.5

Richmond Park Half Marathon

London
13 Apr 25
£42.00 - £182.00
4.4

PHOENIX - The Gauntlet Potion Run

Sunbury on Thames, Middlesex
13 Apr 25
£22.00 - £39.95

Kent Spring Marathon & Half Marathon

Sandyacres Sports Club, Sandyhurst Lane, Ashford, Kent, TN25 4PE
13 Apr 25
£30.94 - £40.48
5.0

Rise From The Ashes - Fawkes Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
13 Apr 25
£27.00 - £35.00
5.0

Rise From The Ashes - Sun Bird Run

Wraysbury Skiff Club, Runnymede Pleasure Grounds, Windsor Road, Egham, TW20 0AE
14 Apr 25
£27.00
5.0

PHOENIX - The Dauntless Potion Run

Sunbury on Thames, Middlesex
14 Apr 25
£22.00 - £39.95

Rise From The Ashes - Rebirth Run

Wraysbury Skiff Club, Runnymede Pleasure Grounds, Windsor Road, Egham, TW20 0AE
15 Apr 25
£27.00
5.0

PHOENIX - The Resolute Potion Run

Sunbury on Thames, Middlesex
15 Apr 25
£22.00 - £39.95

Rise From The Ashes - Inferno Run

Wraysbury Skiff Club, Runnymede Pleasure Grounds, Windsor Road, Egham, TW20 0AE
16 Apr 25
£27.00
5.0

PHOENIX - The Perseverance Potion Run

Sunbury on Thames, Middlesex
16 Apr 25
£22.00 - £39.95

Rise From The Ashes - Spitting Feathers

Wraysbury Skiff Club, Runnymede Pleasure Grounds, Windsor Road, Egham, TW20 0AE
17 Apr 25
£27.00
5.0

PHOENIX - The Adversity Potion Run

Sunbury on Thames, Middlesex
17 Apr 25
£22.00 - £39.95

Rise From The Ashes - Fire Bird Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
18 Apr 25
£27.00
5.0

VICTORIA PARK 5K, 10K & HALF MARATHON

London
18 Apr 25
£28.00 - £162.00
4.7

PHOENIX - The Intrepid Potion Run

Sunbury on Thames, Middlesex
18 Apr 25
£22.00 - £39.95

Rise From The Ashes - Arctic Fire Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
19 Apr 25
£27.00 - £35.00
5.0

PHOENIX - The Indomitable Potion Run

Sunbury on Thames, Middlesex
19 Apr 25
£22.00 - £39.95

Rise From The Ashes - Healing Tears Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
20 Apr 25
£27.00 - £35.00
5.0

CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS

London
20 Apr 25
£7.00 - £122.00
4.6

PHOENIX - The Unbreakable Potion Run

Sunbury on Thames, Middlesex
20 Apr 25
£22.00 - £39.95

Rise From The Ashes - Song Bird Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
21 Apr 25
£27.00
5.0

PHOENIX - The Invincible Potion Run

Sunbury on Thames, Middlesex
21 Apr 25
£22.00 - £39.95

ATW Stevenage Spring Half Marathon & 10k

Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage
21 Apr 25
£28.62 - £37.10

Lee Valley VeloPark 1 mile, 5k, 10k, 10 Mile & Half Marathon - June

London, Greater London
26 Apr 25
Free - £122.00
4.6

Magna Carta Spring

Wraysbury Skiff & Punting Club  Riverside  Egham  Surrey TW20 0AA
26 Apr 25
£37.36 - £58.59
4.0

PHOENIX - NOT the London Marathon Run 2025

Sunbury on Thames, Middlesex
27 Apr 25
£39.95

Richmond Park April 5k, 10k and Half Marathon Run

London, Greater London
27 Apr 25
£25.00 - £30.00
4.4
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