RUNNING TRAINING: Karolina Hedenström’s tips – the interval workout that boosts speed

by Maja Eriksson • 06.08.2026
running training
You need an uphill that takes about a minute to run up. Here, Ski Classics Pro Team athlete Karolina Hedenström shares tips for an effective and intense interval workout.

You need an uphill that takes about a minute to run up. Here, Ski Classics Pro Team athlete Karolina Hedenström shares tips for an effective and intense interval workout.

Karolina Hedenström is an experienced Ski Classics Pro Team athlete, representing Lager 157 Ski Team. She now shares her insights on an effective yet challenging interval workout.

All you need is an uphill that takes about a minute to run up. The recovery period involves walking back down to the starting point.

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

Session facts

TypeInterval Workout
Duration45-60 minutes
IntensityHigh
TerrainUphill
StructureWarm-up / Main session / Cooldown

Purpose

“I believe that doing ten one-minute intervals uphill is a very effective workout, followed by walking back down as rest, pushing hard to the max. It’s a great way to boost your speed. You can really feel the improvement when you do these sessions,” says Karolina Hedenström to ProXCskiing.com.

Workout structure

Warm-up — 15 min

  • 20 minutes of jogging
  • 3 acceleration runs

Main session — 20-25 min

  • Full speed uphill
  • Walk back down to the start (recovery)

Cooldown — 10 min

  • Any “after run” activity

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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