HOKA Chiang Mai Thailand by UTMB Inthanon 20
Tight· 20 km, +800 m · 2.4–3.3 h on your feet · 1 wk easy running after
40 m of climb per km — steep enough that most runners hike the longer climbs.
Course, cutoffs and race-day guide · Training volume does not certify the technical alpine skills, self-support or intermediate cutoffs this race asks for: check them on the race page.
Only 8 weeks before it, where your build needs 9 (the generic figure is 12).
What would change this: if you have raced this distance before, say so under “your running” — an experienced runner needs a shorter build than the generic one; or a higher current weekly volume shortens the build this race needs; or a shorter distance at the same event, or a later edition.
the dark row marks weeks with real climbing in them