100 & 50 MILE TRAIL ULTRAMARATHONS.

Fully marked and supported races across the most scenic trails in the United Kingdom.

Winter 100 2014

  • 18 Oct 2014
  • 3840ft
  • 100mi
  • £125

100 mile trail run taking in the Ridgeway and Thames Path National trails. Race comprised of 4 x 25 mile out and back spurs. Total Climb: 3,840ft. Date: 18th October 2014.

Find out more Race completed!

Piece of String

  • 1 Nov 2014
  • Someft
  • ?mi
  • £30

The worlds most pointless race. A race that could be anything between 1 mile and 3000 miles. You won't know until you finish.

Find out more Race Full

Thames Path 100 2015

  • 2 May 2015
  • 900ft
  • 100mi
  • £130

100 miles non-stop on foot along the River Thames from Richmond, London to Oxford. 28 hour time limit. Total Climb: 900 feet. Date: 2nd May 2015.

Find out more Race Full

Ultra/Marathon Coaching

Our online coaching team of three, Ian Sharman, James Elson & Robbie Britton have been designing simple, highly bespoke training programs built around individual athletes, for over 2 years. Between us we have the experience of 100's of marathons and ultras across all different types of terrain and environments and we put all of that experience into coaching you to reach your highest potential. Whether you are looking to finish your first ultra or multi-day race, compete at a top level at any ultra distance or simply stay focused and injury free up to your goal event, we can get you there. You can read more about some of the races we have been involved in & our experiences/ coaching qualifications further down the page.

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Latest Race Report

W100 2014 Race Report

23 hours, 1 minute ago (Friday 10:40, Oct 24, 2014)

With it’s new home in mid-October, the 3rd edition of the Winter 100 was set to be an exciting race from the get go with strong fields on both the womens and mens sides, alongside a host of other incredible stories for which endings were being sought.  The Winter 100 course is a series of four x 12.5 mile out and backs, giving runners at both ends of the field a chance to see and support one another, and those at the back to watch…

Continue reading... Photos results


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The Centurion ultra blog

Winter 100 2014 Preview

1 week, 5 days ago (Sunday 17:06, Oct 12, 2014) by JamesElson

The penultimate race of our 2014 season is upon us, the 3rd edition of the Winter 100. With it's new home in the middle of October, the conditions this year should in theory favour faster times, however race day in 2013 was blessed with cold, sunny and crisp weather through the day allowing for some very quick early pacing from the leaders. That gave way to some monumental blow ups later on in the race!  This year we have very strong fields…

Continue reading... Visit the blog

Centurion Running is sponsored by:

Winter 100 2014 Preview
The penultimate race of our 2014 season is upon us, the 3rd edition of the Winter…
1 week, 5 days ago

Redemption on the Bob Graham Round
So far, 2014 had been almost entirely devoted to completing the BGR. It wasn't meant…
1 month, 2 weeks ago

Robbie Britton's top tips for the NDW100
Team CR and Inov8 athlete Robbie Britton shares his top 5 tips for the NDW100. Rob…
2 months, 3 weeks ago

Winter 100 Race Report, Results & Photos live here:... http://t.co/Iufjq00v9g
21 hours, 28 minutes ago

2015 NDW100 Entries open at 10am tomorrow: http://t.co/KMj1Vnjsl4
1 day, 1 hour ago

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