2025 BWR Quad-Tripel Crown of Gravel Series

The Smoke Ring Challenge

July 04 - July 05 2025
London UK
Unconfirmed
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Distances: 200 miles
Difficulty: Difficult terrain with longer, steeper hills
Limited to: 100 Participants

Thames Estuary to Thames Estuary – an anti-clockwise loop around London. 200 miles (322km) and 10,000ft (3,050m)

The event will follow ‘The Smoke Ring – An orbital route around London’, which is a long-distance off-road MTB/gravel route created and published by MTB Epics UK in 2014. You will encounter a huge array of trail gems over the 200 mile distance, taking in bridleways, byways, singletrack, woodland, heathland, purpose-built MTB trails, urban and more..

The event route starts in Essex and will orbit London in an anti-clockwise direction visiting Hertfordshire, Buckinghamshire, Berkshire, Surrey and Kent. Some of the many highlights will include Epping Forest, the Colne Valley, Berkshire/Surrey heathlands, the Surrey Hills, Box Hill and the North Downs.

 

The Smoke Ring Challenge

 
Start Located At: Ferry Road Essex, London Rm18 7Ng United Kingdom
 
 
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thesmokeringchallenge