England
Big Al's Bike Emporium, BottomBracket for Cycling, BristolMTB, Cyclists Touring Club London Region, Derbyshire Downhill Course, Essex Bike Rides, Mountain Bike Cumbria, Mountain Bike Trails Around Swanmore, MTB England, Poole Cycle Speedway Club
Scotland
CTC Lothians District Association, CTC Scotland, Cycle Kinross, Cycle Scotland and Scottish Cycle Safaris, Cycling Scotland, Cyclists Touring Club Grampian, MTB Routes in Ross-shire Scotland, Scotland BMX, Scottish Borders Tourist Board: Cycling, Scottish Cyclists' Union
Audax UK
Official site of the Audax UK long distance cycling association, with news and information on events for rides in the UK and abroad.
Charity cycle from Lands End to John O'Groats
A charity event to raise money in Aid of Cystic Fibrosis Holiday Fund For Children. A 1000-mile trek on a Trident across the UK.
Cycle Routes - SE Scotland and NE England
Detailed descriptions and maps of cycle routes in southeastern Scotland and northeastern England.
Cycle Tracks UK
Encourages families to ride bikes and cycle on safe, off-road trails. Trail information and images provided.
Cycle1st
Online resource portal for cyclists indexed by news, events, manufacturers, shops, reviews, books, videos, holidays, trainers, and clothing.
Jeremy's Rural Rides
Mountain bike trails, mainly in Scotland, with maps, GPS data, descriptions and ride reports.
Off Road Cycle Routes in the UK
A collection of off-road cycling in the UK categorised by technical difficulty, length and vertical ascent, with full route description and map links.
SingleTrax
UK mountain bike resource dedicated to trails, routes, downhill and dirt jumps in the UK with interactive map and headcam footage.
UK Cycle Mechanics
Comprehensive site providing advice and information relating to cycle maintenance and a searchable database of cycle mechanics.
UK Cycling Webring
Provides links, online webring submission and FAQs.
Wildes Cycling Travel Guides
Offers travel guides to scenic cycle trails suitable for family cycling or mountain bikes.