The Beacons Ultra
A 45 mile race through the Brecon Beacons National Park held every November; includes details of entry, advice and rules for competitors, route map, and contacts.
The Bob Graham 24 Hour Club
Official site of a club open to people who have successfully completed The Bob Graham Round, a 72 mile circuit of 42 of the highest peaks in the English Lake District within 24 hours. Includes resources and records.
Cateran Trail 55 Mile Ultra
Held annually, starting and finishing at Spittal of Glenshee; includes entry information, previous results, and a guide for participants.
Organises an annual series of 50 and 100 mile ultramarathons across scenic trails in the UK; includes diary and event details, entry information, and contacts.
Clyde Stride Ultra Marathon
Part of the Montane Scottish Ultra Marathon Series; includes a guide to the route, information about entry, news, results, and contacts.
Deeside Way Ultra Race
An annual 33 mile race from Aberdeen to Banchory and back; includes entry details, news, and previous years' results.
Devil O' The Highlands
A 43 mile race following part of the West Highland Way; includes a history, route details, news, and entry information.
Dragon’s Back Race
A 5 day, 220 mile race through the mountain spine of Wales, held annually and attracting fell, mountain and ultra runners from around the world. Includes entry details, news, and information for competitors.
Get Ultra Running
Offers a collection of resources for people interested in running ultra-marathons, with links to events, suggestions on training and nutrition, and a race calendar.
Go Beyond Ultra
Organises a programme of single and multi day running and multi sport events to raise fund for charity; includes schedule and entry details, results, and contacts.
Provides information on ultra-distance challenges from around the UK, organised by region; also includes sections on the UK Big 3 routes, and the Over the Hill series.
High Peak 40 Mile Challenge
An annual event for runners and walkers; includes history, details of entry and route, previous years' results, and contacts.
Lakeland 100 Ultra Marathon
Official guide to a long distance trail race covering the Lakeland fells, entirely on public bridleways and footpaths; includes entry details for this and for the 50 mile event), results, news, and practical advice and details.
Milngavie to Tyndrum Ultra Marathon
An annual 53 mile multi-terrain ultra run along part of the West Highland Way; includes entry dates and form, results and reports, a forum, and contacts.
Organisers of adventure and fell races mainly in the Lake District, but also the HeB2B Adventure in the Hebrides; includes schedule, entry details, and contacts.
Home of the British Ultra Running Championships; includes a race calendar and reports, advice for participants, runner profiles, news and resources.
Speyside Way Race and Race Ceilidh
An annual 36.5 mile event, following the Speyside Way from Ballindalloch to the town centre in Buckie; with details of the route, entry and start information, news, and contacts.
The Thames Meander
An ultra cross-country event, covering 54 miles in mid-February, along the banks of the River Thames. Includes a history, entry details, and course guide.
The Triple Crown
Archives and celebrates the achievements of those hardy souls who have completed the three races along the West Highland Way in one year.