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Flat Ultra runs in UK in Spring

Find flat ultra runs in UK in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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
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

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
Welcome to a 6-hour timed running event where you can run an ultra at your own pace on a multi-lapped out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 4 Apr
  • £26-£28
Hull, East Yorkshire

Spring Run | Hull | Ultra Marathon

Welcome to a 6-hour timed running event where you can run an ultra at your own pace on a multi-lapped out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • 32 miles trail running
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
  • Sat 4 Apr
  • £33-£35
Staines, Surrey

London Marathon Long Training Run | Day 5

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

  • 7 hrs trail running
You'd be an April Fool to miss this one. Enjoy a trip up the flat and event towpath of the Leeds and Liverpool Canal from Rodley. One to warm the depths of your heart.
  • Sun 5 Apr
  • £54-£56
Leeds, West Yorkshire

Lets Motor along the Towpath | Rodley | Ultra Marathon

You'd be an April Fool to miss this one. Enjoy a trip up the flat and event towpath of the Leeds and Liverpool Canal from Rodley. One to warm the depths of your heart.

  • 33 miles trail running + 528 ft ascent
Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!
  • Sat 11 Apr
  • £15-£35
Staines, Surrey

Love it or Hate it Run

Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join the Dashing Dog Charity run along the picturesque River Wear. Not only is the scenery beautiful but you will earn one of these awesome medals!
  • Sun 12 Apr
  • £17-£34
Durham, County Durham

The Dashing Dog Charity Run | North

Come and join the Dashing Dog Charity run along the picturesque River Wear. Not only is the scenery beautiful but you will earn one of these awesome medals!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
  • Sat 18 Apr
  • £15-£35
Staines, Surrey

The London Run

Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Take on this legendary 250-mile ultra following rivers and canals in a gruelling anti-clockwise loop through stunning countryside and historic towns within 100 hours.
  • Wed 22 - Sun 26 Apr
  • £125-£350
  • Early bird
Reading, Berkshire

Thames Ring Series

Take on this legendary 250-mile ultra following rivers and canals in a gruelling anti-clockwise loop through stunning countryside and historic towns within 100 hours.

  • Ultra run 3
4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?
  • Fri 1 May
  • £100-£102
Portland, Dorset

Portland Pig BackYard Ultra

4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?

  • 1 day multi terrain running
This Bank Holiday event is run as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
  • Mon 4 May
  • £15-£27
Staines, Surrey

Bank Holiday Madness May

This Bank Holiday event is run as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
  • Sun 10 May
  • £15-£35
Staines, Surrey

The Spring Lucky Dip Run

Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
  • Sat 16 May
  • £15-£35
Staines, Surrey

Rocky at 50 Run

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
  • Sat 16 May
  • £26-£28
Lincoln, Lincolnshire

Lincolnshire Run

Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 17 May
  • £37.50-£39.50
Bournemouth, Dorset

SoBo Series | Volume 3 | Good Vibrations

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • 7 hrs road running
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
  • Sat 30 May
  • £14-£34
Aberdare, Mid Glamorgan

Rocky at 50 Run | Wales

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
  • Sun 31 May
  • £27-£38
Ware, Hertfordshire

Circuit Du Sore Legs

In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • 50K ultra run
  • + 1 more race
  • Sun 12 Apr
  • £32
Northampton, Northamptonshire

Battle of the Brampton Valley Way

  • 28 miles multi terrain running
  • Sun 19 Apr
  • £65-£67
Bath, Somerset

Bath & Bristol Railway 10K, Half, 25K, Marathon and 50K | 50K

  • 50 km road running
  • Sat 25 Apr
  • £85-£156
Falkirk

Forth Ultra and Team Relay

  • 44 miles multi terrain running
  • Sat 25 Apr
  • £95
Penarth, South Glamorgan

The Medieval Backyard Ultra

  • 1 hr trail running
  • Sat 9 May
  • £60
Taunton, Somerset

Westcountry Ultra Flat 50 Miler

  • 50 miles trail running + 2128 ft ascent
  • Sat 9 May
  • £60
Minehead, Somerset

Westcountry Ultra Hilly 50 Miler

  • 50 miles fell running + 7337 ft ascent
  • Sat 30 May
  • £63-£65
Maidenhead, Berkshire

Beat The Sunset 50K

  • 50 km multi terrain running

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