14

Flat Ultra runs in March 2026

Find flat 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 The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?
  • Sat 21 Mar
  • £15-£35
Staines, Surrey, UK

The Flying Fox

Come and join The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
Come and join in for The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?
  • Sat 21 Mar
  • £15-£34
Northampton, Northamptonshire, UK

The Flying Fox | Northampton

Come and join in for The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with like-minded runners.
  • Sat 21 Mar
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 3

Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with like-minded runners.

  • 7 hrs trail running
  • Beginner-friendly
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Event village
  • Age 17 & over
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!
  • Sun 22 Mar
  • £17-£40
Staines, Surrey, UK

The Dashing Dog Charity Run

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!

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
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, UK

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
Who doesn't know and love The Fraggles! Come and join in the Fraggle Run Time Challenge and earn a medal based on the adorable little creatures!
  • Sun 29 Mar
  • £17-£29
Durham, County Durham, UK

Fraggle Run | North | Time Challenge

Who doesn't know and love The Fraggles! Come and join in the Fraggle Run Time Challenge and earn a medal based on the adorable little creatures!

  • 7 hrs trail running
  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • Sat 21 Mar
  • £57-£59
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

  • 50 km road running
  • Sun 22 Mar
  • £25-£120
Sowerby Bridge, West Yorkshire, UK

Canalathon-Ultra Running Festival

  • 50K ultra run
  • 100K ultra run
  • Half marathon
  • 10K run

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