RACEATLAS01 A little perspective. A bigger adventure.
TRAIL RUNNING, WORLDWIDE

A world of
possibilities.

Every distance. Every direction.

—races to explore
Drag to explore · Scroll to get closer
Natural Earth
THE RACE CALENDAR

Your next adventure

—
Fetching the world…

Finding your starting lines…

Loading the complete UTMB Index
BEHIND THE STARTING LINES

One world.
A lot of ways to run it.

Race Atlas is an independent personal tool for exploring the UTMB Index. It is not affiliated with UTMB.

Locations are approximate

The UTMB feed provides place names, not starting-line coordinates. Markers show matching towns from GeoNames (CC BY 4.0). Names with multiple matches use the largest locality in that country and may be ambiguous. Races without a matched town remain in the calendar. Always check the organiser’s website for the exact start.

Category ≠ distance

20K, 50K, 100K and 100M are UTMB effort categories, not exact distances. Use the distance and elevation filters to find the actual course profile. Unclassified records are included unless you select a category.

A snapshot, ready to explore

Filters run on your device. Data is a downloaded snapshot, not a live registration feed; dates and courses can change. Images are optional in the data model and are not supplied by the current feed.

Globe geometry: Natural Earth / world-atlas. Rendering: D3 (ISC) and topojson-client (ISC). No tracking. No account required.