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Flat 50K ultra runs in March 2026

Find flat 50k ultra runs near me in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals for your 50K!
  • Sun 22 Mar
  • £25-£40
Staines, Surrey

The Dashing Dog Charity Run | 50K

Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals for your 50K!

  • 50 km road running
  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
  • Sun 29 Mar
  • £54-£56
Shipley, West Yorkshire

Sir Titus March Mayhem | Ultra Marathon

Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.

  • 52 km trail running
  • Chip timing
  • Enter online
  • Flat
  • Age 21 & over
  • Sun 22 Mar
  • £60
Manchester, Greater Manchester

Canalathon-Ultra Running Festival | 50K

  • 50 km road running + 189 m ascent

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