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.


Oct 25, 202050mi5700ft13hrs£85

50 mile point to point run from Worthing to Eastbourne on the SDW. Total Climb: 5700ft. 8th Annual. Date: Sunday 25th October 2020.


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.


Nov 28, 202050mi5600ft13hrs£85

10th annual 50 mile trail run from Farnham to Knockholt Pound on the North Downs Way. Total Climb: 5,500ft. Date: 28th November 2020


Nov 7, 2020100mi12700ft30hrs£165

100 mile trail run from Winchester to Eastbourne on the South Downs Way. Total Climb: 12,700ft. 9th Annual. Date: 7th-8th November 2020.


Aug 7, 2021103mi10000ft30hrs£185

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


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.


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.


Nov 13, 202050mi10000ft15hrs£85

50 mile run consisting of 5 x 10 mile loops on the forest trails of Wendover Woods. Total Climb: 10,000ft. 5th Annual. Date: 13th - 16th November 2020.