Trail running

Festival des 3 forêts

11–12 September 2027 · Mériel (Val-d'Oise)

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The races

  • 11 SeptemberTrail 71 km71 km
  • 11 SeptemberTrail 100 km100 km
  • 11 SeptemberTrail 162 km162 km
  • 12 SeptemberTrail 13 km13 km
  • 12 SeptemberTrail 25 km25 km
  • 12 SeptemberTrail 45 km45 km
  • 12 SeptemberTrail 65 km65 km

Your preparation for Festival des 3 forêts

You have 45 weeks left.

You can start today.

45 km trail

  • I'm starting from scratch

    3 runs per week

    Your longest run: 2 h 55

  • I've been running for less than a year

    3 runs per week

    Your longest run: 2 h 55

  • I've been running for more than a year

    4 runs per week

    Your longest run: 2 h 41

25 km trail

  • I'm starting from scratch

    3 runs per week

    Your longest run: 2 h 51

  • I've been running for less than a year

    3 runs per week

    Your longest run: 2 h 51

  • I've been running for more than a year

    4 runs per week

    Your longest run: 2 h 18

13 km trail

  • I'm starting from scratch

    3 runs per week

    Your longest run: 1 h 08

  • I've been running for less than a year

    3 runs per week

    Your longest run: 1 h 09

  • I've been running for more than a year

    4 runs per week

    Your longest run: 57 min

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How to prepare for a trail race

How to prepare for a trail race

How to prepare for a trail race

Woman in running gear, phone in an armband, running through a park in the morning sun
Your preparation

You have 45 weeks left.

The Trainetic schedule for a plan that leads all the way to race day

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