Running Calendar UK - Recent Updates
Running Calendar UK aims to have the most comprehensive list of running races in the United Kingdom including 5K & 10K fun run / walk events, Half Marathons, Marathons and Ultra Marathons.
Information and events are added and updated frequently, so check back regularly and follow us on Facebook or join our weekly email newsletter to be notified of updates. The most recent updates are listed below.
Click the "Events Calendar" tab in the top/side navigation to view upcoming running and walking events.
Recently added and updated pages - click to view
Hayling Billy 5 Mile Race
Added next event date: 9 June 2027 (Date TBC)
Colchester 10K
Added next event date: 9 May 2027
Weymouth Triathlon
Added next event date: 6 June 2027
Slateman Triathlon & Duathlon
Added next event date: 13 June 2027
Weekly Newsletter 17 June 2026
Published weekly newsletter
The Fox Trail Ultra, Marathon & Half Marathon
Added next event date with link to registration: 22 May 2027
Midland Mencap's Sutton Park Challenge
Registrations are now open for event on 4 October 2026
London Landmarks Half Marathon
Added link to Ballot Entry for event on 4 April 2027
Community RunFest Rayleigh
Created listing with link to registration, event date: 12 July 2026
Calderdale Way Ultra
Created listing with link to registration, event date: 1 May 2027
She Strides Rip ‘n’ Run XL
Created listing with link to registration, event date: 17 October 2026
Rame Head Race
Added next event date: 12 June 2027
Isle of Skye Half Marathon
Added next event date: 12 June 2027
Jersey Half Marathon
Added next event date: 13 June 2027
Cheddar Gorge Challenge
Added next event date with link to registration: 13 June 2027
BigSea Trails (WATER)
Added link to registration for event on 6 June 2027
Boxted 10K, 5K & 2K Fun Run
Added next event date: 13 June 2027
Wales Triathlon
Added next event date: 5 June 2027
Lakeland Maze Farm Park Half Marathon
Created listing with link to registration, event date: 19 September 2026
Windermere Marathon
Added next event date with link to registration: 13 June 2027
UK Ultimate Triathlon
Added next event date with link to registration: 11 July 2027
Shropshire Triathlon
Added next event date with link to registration: 10 July 2027
Weald Challenge Trail Race
Added next event date: 6 June 2027
Leeds 10K
Added next event date with link to registration: 13 June 2027
Rat Race The Wall Ultramarathon
Added next event date with link to registration: 12 June 2027
Welcome Way Trail Race
Added next event date: 13 March 2027
Harrogate Hustle Trail Race
Added next event date: 6 February 2027
New Year Trail Marathon & Half Marathon
Added next event date: 2 January 2027
Green Man Trail Runs
Added next event date with link to registration: 5 June 2027
Shires & Spires
Added next event date: 9 May 2027
Going Round In Circles
Added next event date: 21 March 2027
The Breakheart Backyard Ultra
Added next event date: 12 June 2027
Stour Valley Marathon & Half Marathon
Added next event date: 20 June 2027
Bridgwater Half Marathon, 10K & 5K
Added HQ location for event on 6 September 2026 to The Green, Wembdon; Registration is now open
Blended's Backyard Ultra
Added next event date with link to registration: 5 June 2027
Historic Shropshire 50K Ultra
Created listing with link to registration, event date: 15 May 2027
Shrewsbury 50K Ultra
Created listing with link to registration, event date: 19 September 2026
The Neon Rave Run
Created listing with link to registration, event date: 13 September 2026
Wilne 10K
Updated Race Village location for event on 6 September 2026 to the field adjacent to Orchid Wood
Beat The Sunset 50K Ultra
Added next event date with link to registration: 22 May 2027
The Iron Keep Medieval Trail Running Festival
Added Half Marathon distance to event on: 5 September 2026
Brett Lydd Half Marathon & 20 Mile
Changed date to 4 April 2027 as per update on event website
Scafell Sky Race
Added next event date with link to registration: 5 June 2027
Run Balmoral
Added next event date: 1 to 2 May 2027
Weekly Newsletter 10 June 2026
Published weekly newsletter
Sundowner Trail Marathon
Added next event date: 5 June 2027
Midnight Mountain Marathon
Added next event date: 12 June 2027
Bath 50 Ultra Challenge
Created listing, event date: 20 March 2027
Windsor 50 Ultra Challenge
Created listing, event date: 17 April 2027
Bath 50 Ultra Challenge
Created listing with link to registration, event date: 20 March 2027