30 Half marathons in South East in March 2023

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  • Fri 3 Mar
  • £27.95
Milton Keynes, Buckinghamshire, UK

Retro TV | Half Marathon

Marathon and half marathon distances, on a lapped course around Caldecotte Lake, with a bespoke medal for all finishers.

  • 13.1 miles road running
  • Sat 4 Mar
  • £31.50-£33.50
Walton-on-Thames, Surrey, UK

PHOENIX - Spring | Half Marathon

This is a beautiful low key jaunt along the River Thames from Walton on Thames towards Hampton Court and back.

  • 13.1 miles trail running
  • Sun 5 Mar
  • £36-£38
Steyning, West Sussex, UK

Steyning Stinger | Half Marathon

A Personal Challenge For Runners, Joggers and Walkers

  • 13.7 miles multi terrain running
  • Sun 5 Mar
  • £34-£36
Newport, Newport, UK

The Admiral City of Newport Half Marathon

Join the 10th Anniversary City Half Marathon – supporting hospice services in Wales

  • Half marathon
  • Sun 5 Mar
  • £30
Windsor, Buckinghamshire, UK

Dorney Lake | Half Marathon

Home to London 2012′s Olympic rowing events, Dorney Lake, situated near the village of Dorney in Buckinghamshire,...

  • 13.1 miles road running
  • Sun 5 Mar
  • £26-£30
Dartford, Kent, UK

Dartford Half Marathon

The Dartford Half Marathon is a friendly, well-organised race that makes the most of the local area to provide an enjoyable mix of urban and rural running.

  • Half marathon
  • Sun 5 Mar
  • £33-£35
Eastbourne, East Sussex, UK

Eastbourne Half Marathon

The Eastbourne Half Marathon offers you a great challenge, whether you are running a half marathon for the first time, or trying for a PB.

  • Half marathon
  • Sun 5 Mar
  • £45
Dorking, Surrey, UK

Leith Hill Half Marathon

Tough enough? A half marathon from Dorking to the top of the highest point in southeastern England - Leith Hill (and back)

  • Half marathon
  • Fri 10 Mar
  • £29.99
Milton Keynes, Buckinghamshire, UK

100 Half Marathon Club Half Marathons | Half Marathon 1

Run one, two or three scenic half marathons in this fantastic three day event at Caldecotte Lake.

  • 13.1 miles road running
  • Sat 11 Mar
  • £29.99
Milton Keynes, Buckinghamshire, UK

100 Half Marathon Club Half Marathons | Half Marathon 2

Run one, two or three scenic half marathons in this fantastic three day event at Caldecotte Lake.

  • 13.1 miles road running
  • Sat 11 Mar
  • £40
Emsworth, Hampshire, UK

Chichester Harbour Chidham Half Marathon | 21.3K

Part of the Chichester Harbour Trail Run Series - New for 2023 the Chidham Trail Run has expanded to include a new 1/2 Marathon route.

  • 21.3 km trail running
  • Sat 11 Mar
  • £12
Emsworth, Hampshire, UK

Chichester Harbour Chidham Half Marathon | 15K

Part of the Chichester Harbour Trail Run Series - New for 2023 the Chidham Trail Run has expanded to include a new 1/2 Marathon route.

  • 15 km trail running
  • Sun 12 Mar
  • £34
Woking, Surrey, UK

Surrey Half | Half Marathon

RunThrough Events are excited to announce the return of the Surrey Half Marathon, 5k and 2k Kids race.

  • 13.1 miles road running
  • Sun 12 Mar
  • £29.99
Milton Keynes, Buckinghamshire, UK

100 Half Marathon Club Half Marathons | Half Marathon 3

Run one, two or three scenic half marathons in this fantastic three day event at Caldecotte Lake.

  • 13.1 miles road running
  • Sun 12 Mar
  • £24-£35
Tonbridge, Kent, UK

Lambert & Foster Paddock Wood Half Marathon

The Paddock Wood Half Marathon is organised by the Paddock Wood Athletics Club.

  • Half marathon
  • Sun 12 Mar
  • £27-£31
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | 20 Mile

The Milton Keynes Half Marathon and Festival of Running takes place in 2023 starting at our wonderful Xscape city-centre venue and we hope you will come and join us!

  • 20 miles road running
  • Sun 12 Mar
  • £26-£30
Romney Marsh, Kent, UK

The Brett Lydd 20 Mile

Join the Lydd 20 and Half - perfect for those planning a Spring marathon

  • Half marathon
  • Sun 12 Mar
  • £24-£28
Romney Marsh, Kent, UK

The Brett Lydd Half Marathon

Join the Lydd 20 and Half - perfect for those planning a Spring marathon

  • Half marathon
  • Sun 12 Mar
  • £23-£27
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | Half Marathon

The Milton Keynes Half Marathon and Festival of Running takes place in 2023 starting at our wonderful Xscape city-centre venue and we hope you will come and join us!

  • 13.1 miles road running
  • Sat 18 Mar
  • £47
Eastbourne, East Sussex, UK

Sussex Coastal Trail Run | Half Marathon

With the world famous Seven Sisters, and far reaching views out over the English Channel, these courses are already attracting international recognition.

  • 13.1 miles trail running
  • Sun 19 Mar
  • £17.50
Winchester, Hampshire, UK

Half Marathon Guided Run

Join Wilderness Running for a trail half marathon taking in some of the best scenery in the Hampshire countryside.

  • Half marathon
  • Sun 19 Mar
  • £32-£34
  • Entries closed
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

A stunning 10 or 20-mile race to prepare you for your spring half/marathon without having to run alone. You can enjoy the incredibly scenic, superfast, and traffic-free course through countryside.

  • Entries closed
  • 20 miles road running
  • Sun 19 Mar
  • £20-£23
Banbury, Oxfordshire, UK

Geoff Smith’s Banbury | 15 Mile

Geoff Smith’s Banbury 15 Mile Road Race Incorporating The Paul Bithell Memorial Fun Runs organised by Banbury Harriers A.C.

  • 15 miles road running
  • Sat 25 Mar
  • £48
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races - March | Half Marathon

Run your race, your way Flexible running events that allow you to move the finish line mid-race

  • 13.1 miles multi terrain running
  • Sun 26 Mar
  • £25
Redhill, Surrey, UK

Y2Y North Downs Marathon Trek/Run | Half Marathon

Walk it or run it, but don’t miss it!

  • 14 miles road running
  • Sun 26 Mar
  • £40
Horndean, Hampshire, UK

Queen Elizabeth Off Road Trail Runs | 21K

Part of the South Downs Trail Run Series - Kick your 2023 running off with the QECP Off Road 1/2 Marathon.

  • 21 km trail running
  • Sun 26 Mar
  • £25
Herne Bay, Kent, UK

Run Whitstable & Herne Bay Spring | Half Marathon

Get together with friends, family or colleagues, take on our 5k, 10k or half marathon and be part of this event along the stunning Herne Bay & Whitstable coastline.

  • 13.1 miles road running
  • Sun 26 Mar
  • £29.50
Horndean, Hampshire, UK

Queen Elizabeth Off Road Trail Runs | 15K

Part of the South Downs Trail Run Series - Kick your 2023 running off with the QECP Off Road 1/2 Marathon.

  • 15 km trail running
  • Sun 26 Mar
  • £28-£30
  • Entries closed
Fleet, Hampshire, UK

Fleet Half Marathon

Fleet Half Marathon - run local, train local, support local club events.

  • Entries closed
  • Half marathon
  • Sun 26 Mar
  • £35-£40
Saint Leonards-on-sea, East Sussex, UK

Hastings Half Marathon | Half Marathon

The 2023 Hastings Half Marathon is managed by Nice Work on behalf of Hastings Lions Club.

  • 13.1 miles road running