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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 Autumn

Bewl Water Visitor Centre HQ, Bewl Water, Bewlbridge Ln, Lamberhurst, Wadhurst TN3 8JH
13 Sep 25
£37.36 - £66.01
4.6
🚀Boosted

Windsor Half Marathon 2025

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

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

Herne Bay, Kent
01 Nov 25
£12.00 - £30.00
5.0
🚀Boosted

RUN Battersea Park Half Marathon

Battersea Park next to the Bandstand - SW11 4NJ
16 Nov 25
£33.11

Running GP at Goodwood Motor Circuit – December

Chichester, West Sussex
07 Dec 25
£30.00 - £162.00
4.5

Richmond Park Half Marathon

London
07 Dec 25
£42.00 - £182.00
4.4

Phoenix - Christmas Jumper FRIDAY Run

Walton-on-Thames, Surrey
12 Dec 25
£49.95

RUN DORNEY 5K, 10K & HALF MARATHON

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

VICTORIA PARK 5K, 10K & HALF MARATHON

London
13 Dec 25
£28.00 - £162.00
4.7

ATW Stevenage Winter Half Marathon & 10k

Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage
14 Dec 25
£27.56 - £34.98

CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS

London
14 Dec 25
£12.00 - £122.00
4.6

Richmond Park December 5k,10k and Half Marathon

London, Greater London
14 Dec 25
£25.00 - £30.00
4.5

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

Battersea Park Half Marathon

London
03 Jan 26
£40.00 - £182.00
4.7

Victoria Park Half Marathon, 10k & 5k

London
04 Jan 26
£28.00 - £162.00
4.7

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

Run Dorney Lake Half Marathon, 10k & 5k - January

Windsor, Berkshire
18 Jan 26
£30.00 - £162.00
4.2

The Winter Lucky Dip Run

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

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

ATW Watford Half Marathon & 10K

Cassiobury Park Avenue, Watford, Hertfordshire, WD18 7HF
01 Feb 26
£12.72 - £38.16

Victoria Park Half Marathon, 10k & 5k

London
01 Feb 26
£28.00 - £167.00
4.7

Midweek Chasing Numbers Feb 2026

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

The Highland Hotfoot

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

Run Dorney Lake Half Marathon, 10k & 5k - February

Windsor, Berkshire
07 Feb 26
£30.00 - £162.00
4.2

The One in the Woods - Henley

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

The Racoon Rocket Run

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

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

The Rubber Ducky Dash

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

Magna Carta Winter

Wraysbury Skiff & Punting Club  Riverside  Egham  Surrey TW20 0AA
21 Feb 26
£37.36 - £58.59
4.3

Awbridge Half Marathon & 10 Mile Race

Romsey, Hampshire
22 Feb 26
£25.00 - £35.00
5.0

Dartford Half Marathon

Dartford, Kent
22 Feb 26
£12.00 - £142.00
4.5
Showing 121-160 of 235 results