Home of 50 & 100 mile trail ultramarathons, the Track 100 Mile and the Piece of String Fun Run

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

SDW50

Apr 10, 202150mi5700ft13hrs£95

50 mile point to point run from Worthing to Eastbourne on the SDW. Total Climb: 5700ft. 9th Annual. Date: Saturday 10th April 2021.

TP100

May 8, 2021100mi1900ft28hrs£185

100 miles non-stop on foot along the River Thames from Richmond, London to Oxford. 28 hour time limit. Total Climb: 1900 feet. Date: 8th-9th May 2021.

NDW50

May 22, 202150mi5600ft13hrs£95

10th annual 50 mile trail run from Farnham to Knockholt Pound on the North Downs Way. Total Climb: 5,500ft. Date: Saturday 22nd May 2021.

SDW100

Jun 12, 2021100mi12700ft30hrs£185

100 mile trail run from Winchester to Eastbourne on the South Downs Way. Total Climb: 12,700ft. 10th Annual. Date: 12th-13th June 2021.

NDW100

Aug 7, 2021103mi10000ft30hrs£185

Point to point 100 mile trail run on the North Downs Way. Total Climb: 10,000ft. 11th annual.

CW50

Sep 18, 202150mi5600ft13hrs£95

50 mile run consisting of a single loop through the picturesque Countryside & rolling hills of the Chilterns. Total Climb: 5600ft. 6th Annual. Date: 18th September 2021.

A100

Oct 16, 2021100mi5000ft28hrs£185

100 mile trail run taking in the Ridgeway and Thames Path National trails. Total Climb: 5000ft. 10th Annual. Date: 16th-17th October 2021.

WW50

Nov 6, 202150mi10000ft15hrs£95

50 mile run consisting of 5 x 10 mile loops on the forest trails of Wendover Woods. Total Climb: 10,000ft. 6th Annual. Date: 6th November 2021.