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 9, 202250mi5700ft13hrs£95

50 mile point to point run from Worthing to Eastbourne on the South Downs Way. Total Climb: 5700ft. 10th Annual. Date: 9th April 2022.

TP100®

May 7, 2022100mi1900ft28hrs£195

100 miles non-stop on foot along the River Thames from Richmond, London to Oxford. 28 hour time limit. Total Climb: 1900 feet. Date: 7th-8th May 2022.

NDW50®

May 21, 202250mi5600ft13hrs£95

11th annual 50 mile trail run from Farnham to Knockholt Pound on the North Downs Way. Total Climb: 5,600ft. Date: Saturday 21st May 2022.

SDW100®

Jun 11, 2022100mi12700ft30hrs£195

100 mile trail run from Winchester to Eastbourne on the South Downs Way. Total Climb: 12,700ft. 10th Annual. Date: 11th-12th June 2022.

NDW100®

Aug 6, 2022103mi10000ft30hrs£195

Point to point 100 mile trail run on the North Downs Way. Total Climb: 10,000ft. 12th annual. Date: 6th-7th August 2022.

CW50®

Sep 17, 202250mi5600ft13hrs£95

50 mile run consisting of a single loop through the picturesque Countryside & rolling hills of the Chilterns. Total Climb: 5600ft. 7th Annual. Date: 17th September 2022.

A100®

Oct 15, 2022100mi5000ft28hrs£195

100 mile trail run taking in the Ridgeway and Thames Path National trails. Total Climb: 5000ft. 11th Annual. Date: 15th-16th October 2022.

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.