Nagi Peaks Tough Trail Challenge
Trail Running covering 67.4 km with up to 5,075 m D+ in Okayama (Okayama Prefecture, Japan)
Nagi Peaks Tough Trail Challenge is an endurance sporting event in Okayama, Okayama Prefecture, JP focused on Trail Running. It is part of UTMB Index Races. Key features include Nature & Off-Road, Forest, Mountain, High Altitude.
The competition program features Challenge (67.4 km, +5,075 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Up-to-date details regarding race regulations, start times, and registration are published through the organizer's official channels.
Official organizer website not currently listed.

Event characteristics
Races & distances (1)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Challenge | Trail Running | 67.4 km | +5,075 m | 1,150 m - 3,282 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 1,150 m to 3,282 m above sea level (+5,075 m D+, -5,075 m D-)
Frequently asked questions (FAQ)
When and where does Nagi Peaks Tough Trail Challenge take place?
Nagi Peaks Tough Trail Challenge takes place in Okayama, Okayama Prefecture, JP (start area at coordinates 34.65° N, 133.9333° E). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at Nagi Peaks Tough Trail Challenge?
The competition program features Challenge (67.4 km, +5,075 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for Nagi Peaks Tough Trail Challenge?
The main competition (Challenge over 67.4 km) is designed as a loop course featuring +5,075 m of elevation gain and -5,075 m of elevation loss, ranging between 1,150 m and 3,282 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 Nagi Peaks Tough Trail Challenge?
Up-to-date details regarding race regulations, start times, and registration are published through the organizer's official channels.