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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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London

Race Calendar: Half Marathons In the South East

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Run Bournemouth

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

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

PHOENIX Fridays - Retro Run Friday

Walton-on-Thames, Surrey
27 Jun 25
£26.00 - £33.00

Cock-a-doodle Dawdle - 10k, Half Marathon, Full Marathon & Ultra-Marathon

Hyde Hall Farm, Buntingford, SG9 0RU
28 Jun 25
£25.00 - £37.50

VICTORIA PARK 5K, 10K & HALF MARATHON

London
29 Jun 25
£28.00 - £162.00
4.7

Henry VIII's Wives Half Marathon

London
01 Jul 25 - 31 Dec 25
£17.00

PHOENIX Fridays - Independence Friday

Walton-on-Thames, Surrey
04 Jul 25
£26.00 - £33.00

Midweek Chasing Numbers July 2025

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
04 Jul 25
£18.00 - £27.00
5.0

The Fix Addiction 5k, 10k and Half Marathon

Windsor, Buckinghamshire
05 Jul 25
£25.00 - £30.00
5.0

Will Run For Ice Cream

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

PHOENIX - Cheeky Beaver Run

Walton-on-Thames, Surrey
05 Jul 25
£22.00 - £40.00

Chiltern Ridge Half Marathon

Aylesbury, Buckinghamshire
06 Jul 25
£32.00
4.3

The Richmond Summer Riverside 10k and Half Marathon Run

Richmond, Greater London
06 Jul 25
£25.00 - £30.00
5.0

Richmond Park Half Marathon

London
06 Jul 25
£42.00 - £182.00
4.4

PHOENIX - All Stars Blue

Dorking, Surrey
06 Jul 25
£22.00 - £39.95

Running GP at Goodwood Motor Circuit Races & Duathlons July

Chichester, West Sussex
06 Jul 25
£30.00 - £232.00

Relay Your Way - Final Day Challenge

Richmond, Greater London
06 Jul 25
£15.00

PHOENIX - Manta Ray Run

Walton-on-Thames, Surrey
13 Jul 25
£22.00 - £40.00

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
13 Jul 25
£30.00 - £162.00
4.2

Midweek Medal Madness Run

Wraysbury Skiff & Punting Club, Egham, TW20 0AE
18 Jul 25
£18.00 - £27.00

PHOENIX Fridays - Run for Fun Friday 2025

Walton-on-Thames, Surrey
18 Jul 25
£26.00 - £33.00

PHOENIX - Pink Elephant Run

Walton-on-Thames, Surrey
19 Jul 25
£22.00 - £40.00

Run Whitstable & Herne Bay Summer 5k, 10k and half marathon

Herne Bay, Kent
19 Jul 25
£12.00 - £30.00

Hughenden Valley Half & 10K

High Wycombe, Buckinghamshire
19 Jul 25
£22.00 - £32.00
4.6

Bright Skies Surrey Hills

Denbies Wine Estate, Bradley Lane, Dorking. RH5 6AA
20 Jul 25
£8.70 - £57.51
3.8

Battersea Park Half Marathon

London
20 Jul 25
£44.00 - £182.00
4.8

Richmond Park July 5k,10k and Half Marathon

London, Greater London
20 Jul 25
£25.00 - £30.00
4.4

The Rubber Ducky Run

The Last Hop, Thames Edge, Clarence Street, Staines-Upon-Thames
20 Jul 25
£18.00 - £35.00

PHOENIX Fridays - Fellowship of the Run Friday

Walton-on-Thames, Surrey
25 Jul 25
£26.00 - £33.00

The Rasselbock 505

Oxford, Oxfordshire
26 Jul 25
£39.50 - £85.00

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
27 Jul 25
£30.00 - £162.00
4.2

RunThrough Wimbledon Common Half Marathon & 10k

London, Greater London
27 Jul 25
£32.00 - £162.00
4.9

The Big Cake Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
27 Jul 25
£18.00 - £29.00

Midweek Chasing Numbers Aug 2025

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
01 Aug 25
£18.00 - £27.00
5.0

The Copy Cat Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
02 Aug 25
£18.00 - £29.00

RUN DORNEY 5K, 10K & HALF MARATHON

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

Great British Bake Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
09 Aug 25
£18.00 - £35.00
4.5

PHOENIX - The Painted Cow Run

Dorking, Surrey
09 Aug 25
£22.00 - £39.95

Richmond Park Half Marathon

London
10 Aug 25
£42.00 - £182.00
4.4

PHOENIX - Prosecco Run

Dorking, Surrey
10 Aug 25
£22.00 - £39.95
5.0
Showing 1-40 of 218 results
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