Xtrail by UTMB Xtrail 50K
Works· 50 km, +1,496 m · 6.3–8.8 h on your feet · 3 wk easy running after
30 m of climb per km — steep enough that most runners hike the longer climbs.
Course, cutoffs and race-day guide
There is time for a full build before this one.
the dark row marks weeks with real climbing in them