Race Across Snowdonia
Trail Running covering 123 km with up to 6,500 m D+ in Abergwyngregyn (Wales, United Kingdom)
Race Across Snowdonia is an endurance sporting event in Abergwyngregyn, Wales, GB focused on Trail Running. It is part of UTMB Index Races. Key features include Multi-Day, Nature & Off-Road, Forest, Mountain.
The competition program features Trail 123 km (123 km, +6,500 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (apexrunning.co).

Event characteristics
Races & distances (1)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Trail 123 km | Trail Running | 123 km | +6,500 m | 1,150 m - 3,880 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 1,150 m to 3,880 m above sea level (+6,500 m D+, -6,500 m D-)
Frequently asked questions (FAQ)
When and where does Race Across Snowdonia take place?
Race Across Snowdonia takes place in Abergwyngregyn, Wales, GB (start area at coordinates 53.2337° N, 4.0144° W). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at Race Across Snowdonia?
The competition program features Trail 123 km (123 km, +6,500 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for Race Across Snowdonia?
The main competition (Trail 123 km over 123 km) is designed as a loop course featuring +6,500 m of elevation gain and -6,500 m of elevation loss, ranging between 1,150 m and 3,880 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for Race Across Snowdonia?
Official race regulations, course details, and registration information are provided on the organizer's website (apexrunning.co).