Secure entry and account services for independently organised events.
Official event listing
Plan your next start line.
Llanberis, Eryri, Wales
Eryri by UTMB - 100M 2027
Organise this event?
Request access to manage this listing. Aventa manually verifies every claim.
Event updates
Stay close to the start line.
Get entry news and useful updates about Eryri by UTMB - 100M 2027 by email.
Entries open: 7 October 2026 · time to be confirmed
Event overview
Start date
End date
Location
Price from
Distance
Duration
Terrain
Entries open
Entries close
Description
UTMB UK Limited organises Eryri by UTMB - 100M in Llanberis, Eryri, Wales. Routes: 163 km. General registration opened on 7 October 2026 after a 48-hour UTMB Index priority period. The organiser states a 2 April 2027 closing date at 23:59 or earlier if full. Eligibility and mandatory kit rules apply; 100M requires a qualifying UTMB Index. Entry price is to be confirmed.
Event schedule
Start location
Registration
Departure
Finish cutoff
