Home of marked and fully supported 50km, 50 mile and 100 mile ultramarathons.
HH50K®
Mar 16, 202431mi4000ft9hrs£70
50km run through the beautiful and tranquil rolling countryside of the Chilterns. Total Climb: 4000ft. 2nd Annual. Date: 16th March 2024.
SDW50®
Apr 13, 202450mi5700ft13hrs£105
50 mile point to point run from Worthing to Eastbourne on the South Downs Way. Total Climb: 5700ft. 12th Annual. Date: 13th April 2024.
CT100®
Jan 1, 2025100mi0ft17hrs£215
Elite level 100 mile track race. 100km, 12hr and 100 mile world records set here in 2021 and 2022. 5th Annual. Date: TBC.
TP100®
May 4, 2024100mi1900ft28hrs£215
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 2024.
NDW50®
May 18, 202450mi5600ft13hrs£105
13th annual 50 mile trail run from Farnham to Knockholt Pound on the North Downs Way. Total Climb: 5,600ft. Date: Saturday 18th May 2024.
SDW100®
Jun 8, 2024100mi12700ft30hrs£215
100 mile trail run from Winchester to Eastbourne on the South Downs Way. Total Climb: 12,000ft. 12th Annual. Date: 8th-9th June 2024.
NDW100®
Aug 3, 2024103mi11000ft30hrs£215
Point to point 100 mile trail run on the North Downs Way. Total Climb: 11,000ft. 14th annual. Date: 3rd-4th August 2024.
CW50®
Sep 21, 202450mi5600ft13hrs£105
50 mile run consisting of a single loop through the picturesque rolling hills of the Chilterns. Total Climb: 5600ft. 9th Annual. Date: 21st September 2024.
A100®
Oct 12, 2024100mi5000ft28hrs£215
100 mile trail run taking in the Ridgeway and Thames Path National trails. Total Climb: 5000ft. 13th Annual. Date: 12th-13th October 2024.
WW50®
Nov 9, 202450mi10000ft15hrs£105
50 mile run consisting of 5 x 10 mile loops on the forest trails of Wendover Woods. Total Climb: 10,000ft. 8th Annual. Date: 9th November 2024.
WD200®
Dec 13, 2023200mi22500ft96hrs£550
200 mile non-stop winter trail run in a loop around the South of England. Total Climb: 23,000ft. 1st annual. Date: 13th-17th December 2023.
CR1VS®
Dec 25, 2023mifthrs£
Our virtual event. Runners have 70 days to complete distances ranging rom 50 to 1000 miles. 25th Dec 2023 - 3rd March 2024.