Eden Marathon and Half-Marathon
Cornwall’s biggest running event, the Eden Marathon and Half-Marathon in partnership with St Austell Running Club, returns on Sunday 18 October 2026 with a multi-terrain route through spectacular countryside. Entries for 2026 are now open – don’t miss your chance to be part of it.
When: Sunday 18 October 2026
Times: Marathon: 9:30am, Half-Marathon: 10am
Why you'll love taking part
- Themed medal for all race finishers
- Pasty and a beer for all race runners
- Cash prizes for race winners and prizes for category winners
- Free entry to Eden for runners and accompanying family members and supporters on the day.
- Water stations every three miles and isotonic drinks every seven miles
- Chip timing, and free online analysis of your race via RunPix
- You'll be supporting the creation of wildflower habitats here at Eden to help wildlife and pollinators thrive.
About the Eden Marathon
A firm fixture in the running calendar, the Eden Project Marathon and Half Marathon offers hilly multi-terrain courses around the famous site, following a challenging route through areas of spectacular mining heritage and beautiful countryside landscapes.
2026 Pricing
Early bird entries: 7 April - 7 May (or earlier if places sold out)
Marathon Early Bird: £43 (100 places available)
Half Marathon Early Bird: £37 (200 places available) - SOLD OUT
Full Price entries: May 8th - September 30th (or earlier if sold out)
Marathon Full price: £48
Half Marathon Full Price: £43
Run for Eden
Take on the Marathon or Half Marathon and support the Eden Project to deliver world-class environmental education, innovative community programs, and immersive experiences that focus on nature and social recovery. We ask that you pledge to raise at least £250 to celebrate our 25 year anniversary - that’s just £10 for each year that Eden Project has acted as a hub of inspiration, positive change and action – and we’ll thank you with complimentary entry to the event, a complimentary tech t-shirt and fundraising support. Please contact [email protected] for more information and to sign up to fundraise for Eden.