Ultra Marathon Races
Choose from our diverse range of ultra trail races, ranging from 50K to 100K+
Chiltern Ridge Winter 50K
Experience the autumn/winter edition of our classic Chiltern Ridge race, following a scenic single-loop 50K course starting and finishing in Berkhamsted.
North Chilterns 50K
Experience the stunning North Chiltern trails, with flowing ridgeline running and views that stretch for miles.
Chiltern Ridge Classic 50K
An iconic 50K ultra marathon in the Chiltern Hills, traversing the stunning ridgeline trails between Ivinghoe Beacon & Whiteleaf.
The Ridgeway Challenge
An 86-mile (139km) point-to-point trail running race along the entire length of The Ridgeway National Trail.
The Ridgeway Chase
The Ridgeway Chase is a 60km point-to-point ultramarathon following the historic Ridgeway National Trail.
Suffolk Coastal Path 50K
Run the stunning Suffolk Coastal Path from Lowestoft to Aldeburgh.
Chiltern Hills 100K
A 100K ultra marathon along the best and most loved trails within the Chiltern Hills.
Find the right race
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50K ultra marathons
Four trail 50Ks with 9-hour time limits. The perfect first ultra.
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100K ultra marathons
The Chiltern Hills 100K and the 139km Ridgeway Challenge.
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Chilterns trail races
Every race we put on in the Chiltern Hills, from 8K to 139km.
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Ultras near London
Ultras and trail races a short train ride from London.
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Keep up with the pace
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