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.


Apr 4, 202050mi5700ft13hrs£85

50 mile point to point run from Worthing to Eastbourne on the SDW. Total Climb: 5700ft. 8th Annual. Date: 4th April 2020.


May 4, 2019100mi1900ft28hrs£165

100 miles non-stop on foot along the River Thames from Richmond, London to Oxford. 28 hour time limit. Total Climb: 1900 feet. Date: 4th-5th May 2019.


May 18, 201950mi5600ft13hrs£85

9th annual 50 mile trail run from Farnham to Knockholt Pound on the North Downs Way. Total Climb: 5,500ft. Date: 18th May 2019.


Jun 8, 2019100mi12700ft30hrs£165

100 mile trail run from Winchester to Eastbourne on the South Downs Way. Total Climb: 12,700ft. 8th Annual. Date: 8th-9th June 2019.


Aug 3, 2019103mi10000ft30hrs£165

Point to point 100 mile trail run on the North Downs Way. Total Climb: 10000ft. 9th annual.


Sep 14, 201950mi5600ft13hrs£85

50 mile run consisting of a single loop through the picturesque Countryside & rolling hills of the Chilterns. Total Climb: 5600ft. 4th Annual. Date: 14th September 2019.


Oct 12, 2019100mi5000ft28hrs£165

100 mile trail run taking in the Ridgeway and Thames Path National trails. Total Climb: 5000ft. 8th Annual. Date: 12th-13th October 2019.


Nov 16, 201950mi10000ft15hrs£85

50 mile run consisting of 5 x 10 mile loops on the forest trails of Wendover Woods. Total Climb: 10,000ft. 4th Annual. Date: 16th November 2019.