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Runs in South East in March 2026

Find runs near me in South East in March 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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A new and 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!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Half Marathon

A new and 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!

  • Enter online
  • Hilly
  • Age 16 & over
  • 13.1 miles multi terrain running + 3002 ft ascent
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 26.2 miles multi terrain running + 6004 ft ascent
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques and kit.
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | 40 Mile Ultra Marathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques and kit.

  • Enter online
  • Hilly
  • Age 16 & over
  • 40 miles multi terrain running + 9006 ft ascent
  • Tue 3 Mar 2026
Guildford, Surrey, UK

Silent Pool 10K

  • 10 km trail running
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Marathon

  • 26.2 miles road running + 4196 ft ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Ultra

  • 32.5 miles trail running + 5266 ft ascent
  • Sat 7 Mar 2026
Staines, Surrey, UK

London Marathon Long Training Run - Day 1

  • 7 hrs trail running + 0 ft ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running + 2185 ft ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | 10K

  • 10 km trail running + 1276 ft ascent
  • Sun 8 Mar 2026
Eastbourne, East Sussex, UK

Eastbourne Half Marathon

  • 13.1 miles road running + 166 m ascent
  • Sun 8 Mar 2026
Tonbridge, Kent, UK

Lambert & Foster Paddock Wood Half Marathon

  • 13.1 miles road running
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sat 14 Mar 2026
Staines, Surrey, UK

London Marathon Long Training Run - Day 2

  • 7 hrs trail running + 0 ft ascent
  • Sun 15 Mar 2026
Birchington, Kent, UK

Smugglers Run 10K & 5K | 5K

  • 5 km road running
  • Sun 15 Mar 2026
Birchington, Kent, UK

Smugglers Run 10K & 5K | 10K

  • 10 km road running
  • Sat 21 Mar 2026
Staines, Surrey, UK

London Marathon Long Training Run - Day 3

  • 7 hrs trail running + 0 ft ascent
  • Sun 22 Mar 2026
Reading, Berkshire, UK

Reading Half Marathon | Mini Marathon

  • 3 km road running
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 10 Mile

  • 10 miles multi terrain running
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running
  • Tue 24 Mar 2026
Godalming, Surrey, UK

Hankley Common 10K

  • 10 km trail running
  • Sat 28 Mar 2026
Staines, Surrey, UK

London Marathon Long Training Run - Day 4

  • 7 hrs trail running
  • Sun 29 Mar 2026
Arundel, West Sussex, UK

Springtide Half Marathon

  • 13.5 miles trail running + 1175 ft ascent
  • Sun 29 Mar 2026
Fleet, Hampshire, UK

Fleet Half Marathon

  • 13.1 miles road running

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