RUNNING TRAINING: Fartlek – run by feel

by Maja Eriksson • 13.08.2026
Fartlek
Between tough interval sessions, it’s sometimes important to incorporate easier workouts. Fartlek is one of the most enjoyable ways to do this.

Between tough interval sessions, it’s sometimes important to incorporate easier workouts. Fartlek is one of the most enjoyable ways to do this.

Fartlek is exactly what it sounds like. Run by feel in the woods, let the terrain guide you, and keep the intensity low throughout the session. This is running at its simplest and most enjoyable, and your body will thank you for it. It’s a perfect workout to do between demanding training days.

Also Read – RUNNING TRAINING: Pyramid intervals – an effective yet challenging workout

Session facts

TypeEasy Session
Duration45-60 minutes
IntensityLow
TerrainForest/Varying terrain
StructureMain session / Cooldown

Purpose

The purpose of this workout is to accumulate endurance hours at low intensity in a varied and enjoyable way. The session builds the aerobic base without putting too much strain on the body, and the varying terrain naturally trains coordination and running economy.

Main session — 45-60 min

  • Full speed uphill
  • Walk back to the start (rest)

Cooldown — 5 min

  • Stretch the muscles involved

Read More
RUNNING TRAINING: Easy and Long – the key to strong base conditioning
RUNNING TRAINING: Long threshold intervals – Improve your aerobic threshold

Are you interested in training for Ski Classics, long-distance, traditional cross-country skiing, and biathlon? Click HERE and read more about it.

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