14 Half marathons in South East in December 2023

Find half marathons in and around South East in December 2023 - filter events by date, display on a map or use the advanced search to find your perfect race.

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A new & unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sat 16 Dec
  • £50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Half Marathon

A new & unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • 13.1 miles multi terrain running
  • Sat 2 Dec
  • £35
Andover, Wiltshire, UK

Salisbury Plain Winter Edition | Half Marathon

Come and join And-Over Trail Events on some of Wiltshire’s most stunning tracks.

  • 13.1 miles trail running
  • Sat 2 Dec
  • £40
Lewes, East Sussex, UK

Sussex Downs Half Marathon | 21K

The Sussex Downs Half Marathon is set in The South Downs National Park in Mid-Sussex.

  • 21 km trail running
  • Sun 3 Dec
  • £32
Chichester, West Sussex, UK

Running GP at Goodwood Motor Circuit | Half Marathon

Kick off the festive season with a 5k, 10k, Half Marathon, 20 Mile or Marathon around the iconic Goodwood Motor circuit!

  • 13.1 miles road running
  • Sun 3 Dec
  • £32
Chichester, West Sussex, UK

Running GP at Goodwood Motor Circuit | 20 Mile

Kick off the festive season with a 5k, 10k, Half Marathon, 20 Mile or Marathon around the iconic Goodwood Motor circuit!

  • 20 miles road running
  • Sun 3 Dec
  • £30
Reading, Berkshire, UK

Mapledurham | Half Marathon

Something of a classic on the trail run calendar, the Mapledurham 10 and half is back for an 8th year.

  • 13.1 miles trail running
  • Sat 9 Dec
  • £29.99
Milton Keynes, Buckinghamshire, UK

X-Wing, Snowspeeder & Star Wars Deja Vu | Snowspeeder 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 9 Dec
  • £30
Windsor, Buckinghamshire, UK

Run Dorney | Half Marathon

Join RunThrough Events for the final 5k, 10k or Half Marathon of 2023 at the home of London 2012′s Olympic rowing events.

  • 13.1 miles road running
  • Sun 10 Dec
  • £29.99
Milton Keynes, Buckinghamshire, UK

X-Wing, Snowspeeder & Star Wars Deja Vu | Star Wars Deja Vu 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
  • Sun 10 Dec
  • £26-£35
Milton Keynes, Buckinghamshire, UK

Milton Keynes Winter Half Marathon

The Milton Keynes Winter Half Marathon returns for 2023 to celebrate it’s 10th Anniversary!

  • 13.1 miles road running
  • Sun 17 Dec
  • £19.99-£35
Southsea, Hampshire, UK

Portsmouth Coastal Waterside | Half Marathon

2023 Portsmouth Coastal Waterside Marathon Events is now open with £5 off with the special Sponsor promo

  • 13.1 miles multi terrain running
  • Sat 23 Dec
  • £29.99
Milton Keynes, Buckinghamshire, UK

Deja Vu Christmas | 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
  • Sun 24 Dec
  • £29.99
Milton Keynes, Buckinghamshire, UK

The Christmas Die Hard | 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
  • Thu 28 Dec
  • £31.50-£33.50
Walton-on-Thames, Surrey, UK

Phoenix - Year End | 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