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Do your races work together? Every verdict comes from the course facts and from how much of one race's preparation carries over to the next. Nothing is saved unless you keep it in your account: your season lives in this page's address.

Your running: 45 km/week · 22 km longest · 5 days · mixed terrain · some experience

0 of 1 races have the preparation they need. Ultra-Trail Mount Yun by UTMB CMY 70K is the one to look at.

Sep 26 OctNovDec
off-season basebuildingtaperracerecovery
Not building
86%
Longest build
1 wk
Racing descent
2.6k m
Off-season
4 wk

Ultra-Trail Mount Yun by UTMB CMY 70K

Not doable

· 68 km, +2,600 m · 10.3–14.3 h on your feet · 4 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 · 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 2 weeks before it, where your build needs 18.5 (the generic figure is 20).

What would change this: tick “keep a weekly climb” below, so the earlier block builds the terrain this race needs; or 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 20 weeks before it — a full build Not enough

the dark row marks weeks with real climbing in them

1 wk building for this race
18.5 wk is a full build for you (shorter than the generic 20 weeks because you already run comfortably above the 35 km this distance assumes)
1 wk tapering, racing or recovering — building nothing
climbing weeks: 1 of the 8 this course asks for · descent work: 1 of 4

Your training

11 weeks, starting this week
What do I do today?

Calendar

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This week · Ultra-Trail Mount Yun by UTMB CMY 70K — one build week before the taper

5h 15m of running · 1,550 m of climbing

  • Tue Long climb and descent durability 1h 5m +500 m · Steady race-specific effort
  • Tue Strength (optional) 20m · Moderate: controlled reps, stop 1–2 short of failure
  • Wed Easy run 20m · Easy
  • Fri Easy run 20m · Easy
  • Sat Long trail day: part 1 2h 20m +825 m · Easy to steady
  • Sun Long trail day: part 2 1h 10m +225 m · Very easy

Next week: Ultra-Trail Mount Yun by UTMB CMY 70K — taper · 2h 25m

What you could change

In the order most runners prefer: keep the trip if you can, drop the race last.

  • keep stimulus Keep one weekly climbing session, and controlled descents, through the earlier block so Ultra-Trail Mount Yun by UTMB CMY 70K inherits the terrain work instead of starting from zero.
  • change distance Take a shorter distance at the same event as Ultra-Trail Mount Yun by UTMB CMY 70K. It keeps the trip and the entry, and a shorter race costs less recovery while transferring nearly as much preparation.
  • move or replace Look for a similar race later in the window, so Ultra-Trail Mount Yun by UTMB CMY 70K's preparation has the weeks it needs. Find alternatives →
  • drop Leave Ultra-Trail Mount Yun by UTMB CMY 70K for next season.

One coherent season: each demanding race gets its own build, taper and recovery; shorter races are placed inside a build. Recovery spacing and carry-over are reviewed product conventions calibrated against our reference plans, not physiological measurements. Planning guidance from course facts and your stated training — not medical or coaching advice. Recovery spacing, how much preparation carries over, and how many climbing weeks a course asks for are our own reviewed conventions — inspectable, and not measurements of your physiology.