100 & 50 MILE TRAIL ULTRAMARATHONS.

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

WINTER100 2014 Live Times >>>

EVENTBRITE NDW100 starts SAT 18TH OCT 10am BST

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.

Find out more Sign up!

Latest Race Report

NDW100 2014 Race Report

2 months ago (Saturday 16:05, Aug 16, 2014)

Back in 2011 this was our first event, held alongside marathon and 50 mile options, on an out and back course to Knockholt Pound and return. Little has changed in the interim with the exception of the course extending now as a point to point all the way to Wye in Kent, rather than returning to Farnham. And the fact that we had 37 finishers in that first race. 3 of them started again this weekend. We also welcomed back 114 returning…

Continue reading... Photos results


The Centurion Ultra-Marathon Store

Drymax Hyper Thin socks are the world's lightest running socks. Supremely comfortable, they keep feet drier and protect feet better than any othe...

£ 7.98 - go to store

Drymax Cold Weather Running Socks have a special Dual Layer Moisture Removal System. This system instantly moves moisture from the skin, through ...

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Version 2.0 of the incredibly popular Signature Series. The SJ Ultra Vest is the result of collaboration with Scott Jurek, the worlds most domin...

£ 114.98 - go to store

'The first real trail running sock'. Medium + Density protective padded sock, protecting feet without adversely affecting the fit of the shoe. Du...

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The Centurion ultra blog

Winter 100 2014 Preview

1 week 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…

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Winter 100 2014 Preview
The penultimate race of our 2014 season is upon us, the 3rd edition of the Winter…
1 week 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, 1 week 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, 2 weeks ago

Final runner home in the 2014 Winter 100 with a leisurely 16 mins and 36 secs to spare. #W100
1 day, 17 hours ago

@jamesradams handing out the celebratory beers at the finish of the #winter100. 4hrs left for our final 35 runners http://t.co/t2SNMiRkWo
1 day, 21 hours ago

Wendy Shaw takes 3rd place in the 2014 Winter 100 in 21 hrs 50 mins and 32 Secs !!! Fabulous !! #W100
2 days, 1 hour ago

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