Completing a mountain trail run - in 8 weeks

Expert 8 weeks 4x/week
article rating 4.7/5 45

To follow this programme, you must have already completed several short trail runs or half-marathons.

This plan involving 4 training sessions a week includes two 3-week cycles of work with one light training week per cycle.

Ideally, you will train on Tuesday, Thursday, Saturday and Sunday to balance recovery and intense training load on the weekend.

You need to have Decathlon Coach application to launch this program !

Week 1 - Cycle 1: gentle start

Even if you have easy access to hills, your "hill training" sessions should be on terrain on which you can run for most of the session.

  • 01. 1 hour of active jogging on hilly terrain
  • 02. 1h of jogging on flat terrain
  • 03. 1 hour 30 minutes of jogging on hilly terrain
  • 04. 1h30min jog on flat terrain

Week 2 - Cycle 1: first trail-specific workout


For your hilly session, the gradient should range from 8 and 15% with the option to change location for each session of this type so that there is a variety of gradients (more or less steep) and surfaces (more or less challenging).

  • 05. 1 hour of active jogging on hilly terrain
  • 06. 1h of jogging on flat terrain
  • 07. 3 x 5min of hill training
  • 08. 2.5hr hike run

Week 3 - Cycle 1: increasing the training volume

Given the sequence of sessions and efforts made, a little fatigue may set in.

Take care of yourself, change into some dry clothes after running, follow our nutritional advice, maintain a healthy lifestyle and everything will be fine!

  • 09. 1 hour of active jogging on hilly terrain
  • 10. 1h of jogging on flat terrain
  • 11. 3 x 8min of hill training
  • 12. 3hr hike run

Week 4 - Week of regeneration.

The training workload drops significantly this week so that you can recover from the effort made during the first training cycle.

  • 13. 1 hour of jogging on hilly terrain
  • 14. rest
  • 15. 1h15min of jogging on hilly terrain
  • 16. rest

Week 5 - Cycle 2: maximum training load

If you decide to invest in new equipment (shoes, bag, clothing, etc.), this is your last chance to test them out!

  • 17. 1 hour of active jogging on hilly terrain
  • 18. 1h15min of jogging on flat terrain
  • 19. 10min + 8min + 6min of hill training
  • 20. 3.5hr hike run

Week 6 - Cycle 2: gradually reducing training intensity

The race is approaching, and it's too late for long sessions or intense workouts that won’t be fully assimilated before the event.

  • 21. 1h of jogging on flat terrain
  • 22. 1 hour of jogging on hilly terrain
  • 23. 3 x 6min of hill training
  • 24. 2.5hr hike run

Week 7 - Cycle 2: significant reduction in the training workload

Penultimate week of training: shorter sessions to avoid fatigue.

  • 25. 1h of jogging on flat terrain
  • 26. 1hr with 10 min at 85% max HR
  • 27. 1 hour of jogging on hilly terrain
  • 28. 45 min of jogging on hilly terrain

Week 8 - Regeneration and competition

The workload drops so that you feel fresh for the start of the race.

  • 29. rest
  • 30. 30-minute jog
  • 31. rest
  • 32. warming up for the day of the race

Coach advice

"If you have solid experience with short-distance trail running and want to complete a mountain race of around 30 kilometres, this plan is designed for you!"
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