38

Flat 5K runs in South East

Find flat 5k runs in South East in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

Filter by place

Filter by date

Filter by category

Map

Event listings

Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, 5K run, then a Remembrance medal and goody bag at the finish.
  • Sun 8 Nov
  • £20-£32
Egham, Surrey, UK

Remembrance Run | South | 5K

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, 5K run, then a Remembrance medal and goody bag at the finish.

  • 5 km trail running
  • Enter online
  • Flat
  • Age 12 & over
Come and join the day of running and aim to complete a 5K at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
  • Sat 26 Dec
  • £16-£18
Egham, Surrey, UK

Boxing Day Challenge | 5K

Come and join the day of running and aim to complete a 5K at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!

  • 5 km trail running
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 12 & over
  • Sun 15 Mar
  • £11-£17
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | 5K

  • 5 km road running
  • Sun 15 Mar
  • £16-£25
Birchington, Kent, UK

Smugglers Run 10K & 5K | 5K

  • 5 km road running
  • Sun 22 Mar
  • £25-£30
Herne Bay, Kent, UK

Run Whitstable & Herne Bay Spring 5K, 10K and Half Marathon | 5K

  • 5 km road running
  • Sun 19 Apr
  • £16-£25
Sheerness, Kent, UK

The Island Run | 5K

  • 5 km road running
  • Sun 10 May
  • £25-£27
Crawley, West Sussex, UK

Run Gatwick | 5K

  • 5 km road running
  • Sun 7 Jun
  • £17-£19
Tonbridge, Kent, UK

Whites Landscaping Staplehurst 5K & 10K | 5K

  • 5 km road running
  • Sun 7 Jun
  • £15.50-£17.50
Wisborough Green, West Sussex, UK

RunWisborough | 5K

  • 5 km multi terrain running
  • Sun 21 Jun
  • £15-£20
Woking, Surrey, UK

Martian Race | 5K

  • 5 km trail running + 35 m ascent
  • Fri 10 Jul
  • £22
Brighton, East Sussex, UK

5.30 Brighton

  • 5 km road running
  • Sat 12 Sep
  • £6-£54
Camberley, Hampshire, UK

Twilight Runway Challenge | 5K

  • 5 km road running
  • Sun 13 Sep
  • £16-£38
Brockenhurst, Hampshire, UK

The Garmin New Forest Marathon | 5K

  • 5 km multi terrain running + 50 ft ascent

Search options

Back to search options
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.