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
Belfast Bay Run 10K
Registrations are now open for event on 4 October 2026
c2c Essex Ultra
Registrations are now open for event on 12 September 2026
Coventry Half Marathon & 10K
Updated start/finish line for event on 19 April 2026 to Cox Street
Monsal Trail March Half Marathon & 10K
Added next event date with link to registration: 10 to 11 April 2027
Exeter Trail Races
Added next event date with link to registration: 20 March 2027
Kew The Run 10K & Half
Registrations are now open for event on 3 to 4 April 2027
Gisburn Forest Trail Race
Added next event date: 1 August 2026; New organiser Pendle Trail Running Club
Camuplodunum Trail Marathon
Added next event date with link to registration: 21 March 2027
Crocodile Challenge: 6 Hour Running Race
Added next event date: 21 January 2027
Hayling Billy 5 Mile Race
Created listing with link to registration, event date: 10 June 2026
Richmond Park Trail Half Marathon
Added next event date with link to registration: 28 June 2026
Tibthorpe Loop Half Marathon
Added next event date with link to registration: 20 February 2027
Walton Hall 10K
Added next event date with link to registration: 18 October 2026
Sheffield Half Marathon
Added next event date with link to registration: 4 April 2027
Kew The Run 10K & Half
Added next event date: 3 to 4 April 2027
Potters ’Arf Marathon
Added next event date: 4 October 2026
Brett Lydd Half Marathon & 20 Mile
Added next event date: 28 March 2027
Amport Trail Run
Added next event date with link to registration: 27 September 2026
Paisley Half Marathon
Added next event date: 7 March 2027
BigNightOut Winchester
Added next event date with link to registration: 7 November 2026
Crickhowell 10K
Added link to registration for event on 8 August 2026
Roman Rampage
Added next event date with link to registration: 20 March 2027
BigMud Trails (EARTH)
Added next event date with link to registration: 21 February 2027
Chiltern Hills Backyard Ultra 24
Event planned for 19 September 2026 has been cancelled
Bradenham Blast
Event planned for 19 September 2026 has been cancelled
Islay Half Marathon
Registrations are now open for event on 1 August 2026
The JOGLE
Added next event date: 13 to 29 March 2027
Winter's End 50s
Added 50K Ultra distance to event on 20 March 2027
Canalathon Ultra
Registrations are now open for event on 4 April 2027
Weekly Newsletter 25 March 2026
Published weekly newsletter
Surrey Half Marathon
Added next event date with link to registration: 21 March 2027
Cheshire Half Marathon Spring
Added next event date with link to registration: 21 March 2027
Middlesbrough Half Marathon
Added next event date with link to registration: 7 March 2027
Kettering Half Marathon & 5K
Added next event date with link to registration: 14 March 2027
Leicestershire Half Marathon
Added next event date with link to registration: 28 February 2027
EnduranceLife Sussex
Added next event date: 6 March 2027
Canalathon Ultra
Changed date to 4 April 2027 as per update on event website
Cotswold Classic 10 Mile Road Race
Created listing, event date: 5 September 2026
Sandridge 10K Trail Run
Created listing with link to registration, event date: 13 September 2026
Peak District Challenge
Added link to registration for event on 18 to 19 September 2026
Hardmoors 55 Trail Ultra
Added next event date: 20 March 2027 (Date TBC)
Winter's End 50s
Added next event date: 20 March 2027
Canalathon Ultra
Added next event date: 28 March 2027
Grittleton 10K
Added link to registration for event on 11 October 2026
Windsor Trail Run
Added next event date with link to registration: 30 August 2026
Wilmslow Running Festival
Added next event date with link to registration: 21 March 2027
Stansted House Trail Run
Added next event date with link to registration: 20 March 2027
The Ultra Loop - Heaton Park
Added next event date with link to registration: 20 to 21 March 2027
Hastings Half Marathon
Added next event date: 21 March 2027
Colne Valley Path Marathon
Created listing with link to registration, event date: 23 August 2026