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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

Richmond Half Marathon Winter

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

Richmond Park Half Marathon

London
Sun 15 Feb 26
£44.00 - £197.00
4.4

Hampton Court Half Marathon 2026

Thames Ditton, Surrey
Sun 15 Feb 26
£44.50
4.3

The Rubber Ducky Dash

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

Magna Carta Winter

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

Awbridge Half Marathon & 10 Mile Race

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

Dartford Half Marathon

Dartford, Kent
Sun 22 Feb 26
£12.00 - £40.00
4.5

Run London Victoria Park Half/10k/5k

London
Sun 22 Feb 26
£15.00 - £30.00
1.1

ATW Bedford Half Marathon & 10k

Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 22 Feb 26
£31.80 - £40.28
5.0

The Milton Keynes 5k, 10k and Half Marathon Winter Warmer Run

Milton Keynes
Sun 22 Feb 26
£25.00 - £30.00
4.0

Chichester Harbour Trail Run

Emsworth, Hampshire
Sat 28 Feb 26
£37.50 - £42.50

PHOENIX - Chocothon

Walton-on-Thames, Surrey
Sat 28 Feb 26
£22.00 - £40.00

PHOENIX - Cakeathon

Walton-on-Thames, Surrey
Sun 01 Mar 26
£22.00 - £40.00

London Half & 10k Presented by TREK

London
Sun 01 Mar 26
£10.00 - £192.00

PHOENIX Fridays - Spring Friday

Walton-on-Thames, Surrey
Fri 06 Mar 26
£26.00 - £33.00
5.0

Midweek Chasing Numbers Mar 2026

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

PHOENIX - Ladybird Run

Walton-on-Thames, Surrey
Sat 07 Mar 26
£22.00 - £40.00

Battersea Park Half Marathon

London
Sat 07 Mar 26
£42.00 - £182.00
4.6

The Panda Plod

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

New Forest South Trail Run

Christchurch, Burton, Bournemouth, Christchurch and Poole
Sat 07 Mar 26
£32.50 - £42.50
5.0

Victoria Park Half Marathon, 10k & 5k

London
Sun 08 Mar 26
£28.00 - £162.00
4.7

PHOENIX - Shark Run 2026

Walton-on-Thames, Surrey
Sun 08 Mar 26
£22.00 - £40.00

Kingston Break-fest Run 8, 16 & 20mile

Kingston upon Thames, Greater London
Sun 08 Mar 26
£34.50 - £41.50
4.5

Run Dorney Lake Half Marathon, 10k & 5k March

Windsor, Berkshire
Sun 08 Mar 26
£30.00 - £162.00
4.3

Wight Riot

Hordle Cliff West, Cliff Rd, Milford on Sea, SO41 0NT
Sun 08 Mar 26
£42.13

PHOENIX - Spring Marathon & Half Marathon

Walton-on-Thames, Surrey
Sat 14 Mar 26
£33.50

The Sloth Scamper

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

Hampton Court Palace Half Marathon Presented by Nuun

East Molesey, Surrey
Sun 15 Mar 26
£47.00
4.2

PHOENIX - Octopus Run

Walton-on-Thames, Surrey
Sun 15 Mar 26
£22.00 - £40.00

Ramsbury Half Marathon & 10km

Marlborough, Wiltshire
Sun 15 Mar 26
£32.00 - £40.00

STANSTED HOUSE TRAIL RUN

Rowland's Castle, West Sussex
Sat 21 Mar 26
£32.50 - £42.50
5.0

PHOENIX - Black Sheep Bimble

Walton-on-Thames, Surrey
Sat 21 Mar 26
£22.00 - £40.00

Moo-rathon, Calf and Hen K

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

The Flying Fox

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

Hastings Half Marathon

Grosvenor Gardens, Sea Rd, Grosvenor Cres, Saint Leonards-on-sea TN38 0BX
Sun 22 Mar 26
£7.61 - £41.12

The One in the Park - Victoria - March

London
Sun 22 Mar 26
£26.00 - £30.00
5.0

ATW Run Fest at Lee Valley

Lee Valley White Water Centre, Station Rd, Waltham Cross EN9 1AB
Sun 22 Mar 26
£29.68 - £38.16
5.0

Windsor Trail Run

Windsor, Berkshire
Sun 22 Mar 26
£37.00 - £162.00

Surrey Half Marathon

Woking, Surrey
Sun 22 Mar 26
£17.00 - £192.00

PHOENIX - Frogger Jogger

Walton-on-Thames, Surrey
Sun 22 Mar 26
£22.00 - £40.00
Showing 81-120 of 225 results
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