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William is a British and Scottish international ultra-marathon athlete and has set multiple ultra distance running records (from 30 miles on the track to 3100 miles/ 5000 kms on the road) at World, British and Scottish level including age-group records.

Since 1994 William has competed in 97 ultra-marathon events – winning 18 of them.   He has made 18 international appearances in total (GB 11 and Scotland 7) 



William Sichel becomes the oldest person ever to complete the World Longest Footrace – the Self Transcendence 3100 Mile Race in New York – August 2014


Click here for full list of William’s Personal Bests & Records

Half Marathon: 1:14:59
Marathon: 2:38:17 (1995)
100km: 7:07:49 (1996)
100 miles: 14hrs 25mins (split) (2000)
12hr: Track 141.50km/87.92 miles (2001)
24hr(Road): 246.70km/153.30M (2000)
48hr (Indoor): 344.267km/213.92 miles (2007) Scottish Record
48hr (Track): 340.80km/211.76M (2008)
Six Days(Track): 857.07km/532.56 miles – All-Time Scottish Record (Modern) British M50 Record (2008)
Six Days(Road): 834.190kms/518.34 miles – World M55 Record (2011)
1000 Miles (Road): 13 days, 20 hours, 8 minutes, 1 second (2010)                                                                                                                                                                                                                                                                                                  Badwater: 31hrs 36mins 12secs British Event Record (2006)                                                                                                                                                                                                                                                                                                     Spartathlon: 29hrs 01mins 29secs – Scottish Event Record (2007)

Thanks for visiting my web site.  My main interest in the sport of ultra distance running has always been personal curiosity and all aspects of athletic performance.  For me the sport is simply an extension of traditional road and track racing – a certified distance and a stop watch!


Once I got into multiday running, in 2006, the historical aspects of the sport became of great interest and remain one of my driving motivations today.

Setting a record is creating a bit of history and I hope to continue making history for as long as I’m able to.  Once a record is ‘in the books’ it is there for posterity and can be an inspiration for others to aim for in the future.”

Ultra distance running – a diverse sport with a very long history                                    Click Here to read more

Did you know?

William considers himself ideally built for ultrarunning being 5′ 5″/1.63m tall and weighing approx 9st 2lbs or 128lbs/58kgs. 

He has an unique physiology being extraordinarily adapted for fat burning, requiring tiny amounts of energy (less than 100kcals/hr) and fluid to produce optimum performance in long ultras.

However, William is far from being a ‘perfect physical specimen’ having had knock knees as a child; having one leg 1″ (2.5cms) longer than the other and a ‘weak chest’, with repeated chest infections in winter, after moving to Orkney.  The chestiness lasted for 10 years, until he took up running again in 1992, since when, the symptoms have never returned.

William also had surgery and radiotherapy for testicular cancer in 1997 and is keen to promote men’s health and physical activity into later life.

William has always struggled with stomach issues in ultras, illustrated by the fact that he has experienced vomiting  in 29 out of 30, 24 hour races.

William is a big fan of veteran/masters athletics and believes that athletic performances by masters athletes are hugely unsung. 

William believes people in their middle age also need role models and people to inspire them – William tries to do that.

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