100 & 50 MILE TRAIL ULTRAMARATHONS.

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

Autumn 100 2015

  • 17 Oct 2015
  • 3840ft
  • 100mi
  • £130

Originally the 'Winter 100'. 100 mile trail run taking in the Ridgeway and Thames Path National trails. Total Climb: 3,840ft. 4th Annual. Date: 17th October 2015.

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Ultra/Marathon Coaching

Our online coaching team of three, Ian Sharman, James Elson & Robbie Britton have been designing highly bespoke training programs built around individual athletes, since January 2012. 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

Petzl SDW100 2015 Race Report

2 weeks, 1 day ago (Wednesday 22:27, Jun 17, 2015)

This was our 4th South Downs Way 100 and the 2nd one sponsored by Petzl. With prize money on the table we had a full field of 266 starters and a huge range of experiences. After a heavy storm overnight, conditions cleared in time for race start as the last of the rain dispersed. Runners were left with almost perfect conditions for a June day in the UK, with temperatures around 19 at their highest…

Continue reading... Photos results


The Centurion Ultra-Marathon Store

Light and compactable cup, collapses flat. Highly recommended for UTMB compulsory kit requirements and for quick movement through aid stations....

£ 4.99 - go to store

Designed for stability and absolute minimal weight, S-Lab Sense enables elite runners to carry front hydration flasks and gear for shorter endura...

£ 77.48 - go to store

530ml soft flask compatible with the AK/ SJ/ PB Race Vests. Lid has a locking option and a much bigger opening than other soft flasks making it f...

£ 17.98 - go to store

One of the classic three UK 'Rounds'. Detailed waterproof map including the suggested route to complete all 61.25 miles and 47 tops. The route wa...

£ 12 - go to store

The Centurion ultra blog

2015 Petzl SDW100 Pre Race Preview

3 weeks, 3 days ago (Tuesday 11:29, Jun 09, 2015) by JamesElson

A quick preview ahead of this weekends 2015 Petzl South Downs Way 100. A big thanks to our title sponsor Petzl who have once again stumped up the cash prizes for 1st, 2nd and 3rd placed men and women. The women's field in particular is an exciting one. So who might walk off with a nice pay day.... Ladies Field Sally Ford: Sally won the TP100 in early May with a new Course Record time of 17:33. Along with her victory at the Wall Ultra last…

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Centurion Running is sponsored by:

2015 Petzl SDW100 Pre Race Preview
A quick preview ahead of this weekends 2015 Petzl South Downs Way 100. A big thanks…
3 weeks, 5 days ago

NDW50 Preview
This years NDW50 comes hot off of the back of the TP100 just two weeks prior. Conditions…
1 month, 2 weeks ago

2015 Thames Path 100 Preview
The first 100 of the season is upon us. With a warm dry winter, the course is in…
2 months ago

RT @wser100: Just to put things in perspective Gunhild Swanson's last 1.3 miles was the same as the Women's winner Magda Boulet - 16 minute…
6 days, 1 hour ago

RT @iRunFar: Gunhild Swanson, age 70, is the final official finisher of the 2015 Western States 100 in 29:59:54! #WS100 http://t.co/eLjXrOT…
6 days, 1 hour ago

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