Torrencial Chile by UTMB COLLICO 21K
Works· 20 km, +750 m · 2.3–3.2 h on your feet · 1 wk easy running after
38 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