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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.

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

Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.
  • Sun 30 Aug
  • £28
Windsor, Buckinghamshire

Run Dorney Lake | August | 5K

Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.

  • 5 km road running
Enjoy every spellbinding step of a 5K through the stunning landscape of Rye Harbour Nature Reserve in this exceptional summer series. Enter one or enter more and watch your times improve.
  • Fri 4 Sep
  • £16
Rye, East Sussex

Rye Summer 5K Series | Race Five | 5K

Enjoy every spellbinding step of a 5K through the stunning landscape of Rye Harbour Nature Reserve in this exceptional summer series. Enter one or enter more and watch your times improve.

  • 5 km road running
Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.
  • Sat 26 Sep
  • £28
Windsor, Buckinghamshire

Run Dorney Lake | September | 5K

Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.

  • 5 km road running
Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.
  • Sat 3 Oct
  • £28
Windsor, Buckinghamshire

Run Dorney Lake | October | 5K

Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.

  • 5 km road running
Kicking off the famous weekend of running on a route with beautiful views across the Solent, an incredible atmosphere, lovely fresh sea air and a fast and flat route with PB potential.
  • Sat 17 Oct
  • £27-£30
Portsmouth, Hampshire

AJ Bell Great South 5K

Kicking off the famous weekend of running on a route with beautiful views across the Solent, an incredible atmosphere, lovely fresh sea air and a fast and flat route with PB potential.

  • 5 km road running
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
  • Sun 25 Oct
  • £37.50-£39.50
Lymington, Hampshire

Wight Lines

Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.

  • 7 hrs trail running + 47 ft ascent
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

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
Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.
  • Sun 8 Nov
  • £28
Windsor, Buckinghamshire

Run Dorney Lake | November | 5K

Choose your distance and chase your personal best on the flat, chip-timed 5K course at London 2012's iconic Olympic venue; all abilities welcome.

  • 5 km road running
Choose your distance and chase your personal best on the flat, chip-timed 5K
  • Sat 12 Dec
  • £28
Windsor, Buckinghamshire

Run Dorney Lake | December | 5K

Choose your distance and chase your personal best on the flat, chip-timed 5K

  • 5 km road running
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

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
  • Sun 10 May
  • £25-£27
Crawley, West Sussex

Run Gatwick | 5K

  • 5 km road running
  • Thu 14 May
  • £24
Wokingham, Berkshire

Dinton 5K & 10K Summer Series - Race 1 | 5K

  • 5 km trail running
  • Wed 27 May
  • £15-£17
Bexhill-on-Sea, East Sussex

GBR Run Bexhill 5K Series - Race One | 5K

  • 5 km road running
  • Sun 7 Jun
  • £17-£19
Wallingford, Oxfordshire

Wallingford Thames Run | 5K

  • 5 km multi terrain running
  • Sun 7 Jun
  • £17-£19
Tonbridge, Kent

Whites Landscaping Staplehurst 5K & 10K | 5K

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

RunWisborough | 5K

  • 5 km multi terrain running
  • Thu 18 Jun
  • £24
Wokingham, Berkshire

Dinton 5K & 10K Summer Series - Race 2 | 5K

  • 5 km trail running
  • Sun 21 Jun
  • £15-£20
Woking, Surrey

Martian Race | 5K

  • 5 km trail running + 35 m ascent
  • Wed 24 Jun
  • £15-£17
Bexhill-on-Sea, East Sussex

GBR Run Bexhill 5K Series - Race Two | 5K

  • 5 km road running
  • Fri 10 Jul
  • £22
Brighton, East Sussex

5.30 Brighton

  • 5 km road running
  • Thu 16 Jul
  • £24
Wokingham, Berkshire

Dinton 5K & 10K Summer Series - Race 3 | 5K

  • 5 km trail running
  • Wed 22 Jul
  • £15-£17
Bexhill-on-Sea, East Sussex

GBR Run Bexhill 5K Series - Race Three | 5K

  • 5 km road running
  • Thu 13 Aug
  • £24
Wokingham, Berkshire

Dinton 5K & 10K Summer Series - Race 4 | 5K

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

Twilight Runway Challenge | 5K

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

New Forest Marathon | 5K

  • 5 km multi terrain running + 50 ft ascent

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