How Harald Østberg Amundsen Trains (a Crystal Globe, No Olympic Medal)
Amundsen won the overall World Cup, then finished 4th, 6th and DNF at the 2026 Olympics. Season-long form and one-day form are different training problems.
Harald Østberg Amundsen won the overall World Cup in 2024, which means that across a four-month winter and roughly thirty races he was the best cross-country skier in the world. At Milano Cortina in 2026 he finished sixth in the skiathlon, fourth in the interval start, fourteenth in the sprint final, and did not finish the mass start.
Both things are true at once, and the gap between them is one of the most useful ideas in endurance training.
Two different competitions
The Crystal Globe is a points competition. It rewards being in good form in November and still being in good form in March, across sprints and distance races, classic and skate, at altitude and at sea level. You win it by never having a bad month.
The Olympics is a five-day window every four years. It rewards being at your absolute best on specific dates, and it does not care what you did in December.
Those two goals pull training in opposite directions. Season-long form needs a conservative load you can carry for months, a wide range of race types, and enough recovery that nothing accumulates. A single peak needs a deliberate overload followed by a taper that sheds fatigue while fitness stays high, timed to land on one weekend.
You can chase both, and Norway's programme does, but the athlete who is exceptionally good at the first is not automatically good at the second.
What consistency is made of
The engine is the standard Norwegian distance model: a very large annual volume, the great majority of it low intensity, split between snow and summer roller-skiing, with strength and technique underneath. The same base behind Klæbo, Johaug and, with a rifle attached, Sturla Holm Lægreid.
What makes it hold up over a whole winter is discipline about the easy end. Norway organises training into five intensity zones, I1 to I5, and spends most of the year in the bottom two.
Maximale hartslag
190bpm
| Zone | Bereik | Wat het traint |
|---|---|---|
| I1 | I1, Makkelijk 114–137 bpm | Aerobe basis (<2 mmol/L lactaat). De grote meerderheid van het Noordse volume. RPE 2–3, makkelijk, neusademhaling. |
| I2 | I2, Constant 137–156 bpm | Hoger aeroob duurvermogen (~2 mmol/L). RPE 4–5, constant. |
| I3 | I3, Drempel 156–165 bpm | Lactaatdrempel (2,5–4 mmol/L). RPE 6–7, comfortabel zwaar. |
| I4 | I4, VO₂max 165–175 bpm | Maximaal aeroob vermogen (4–6 mmol/L). RPE 8–9, harde intervallen. |
| I5 | I5, Anaeroob 175–190 bpm | Anaeroob / snelheid (>6 mmol/L). RPE 9–10, maximaal. |
I1 · I1, Makkelijk. Aerobe basis (<2 mmol/L lactaat). De grote meerderheid van het Noordse volume. RPE 2–3, makkelijk, neusademhaling.
I2 · I2, Constant. Hoger aeroob duurvermogen (~2 mmol/L). RPE 4–5, constant.
I3 · I3, Drempel. Lactaatdrempel (2,5–4 mmol/L). RPE 6–7, comfortabel zwaar.
I4 · I4, VO₂max. Maximaal aeroob vermogen (4–6 mmol/L). RPE 8–9, harde intervallen.
I5 · I5, Anaeroob. Anaeroob / snelheid (>6 mmol/L). RPE 9–10, maximaal.
- Het Noorse/FIS I1–I5-model is de standaard in het langlaufen, biatlon en de noordse combinatie. Het koppelt hartslagbanden aan lactaatrichtpunten (I1 <2 mmol/L tot I5 >6 mmol/L).
- Noordse programma's zijn sterk gepolariseerd: enorme volumes makkelijke I1–I2, met geconcentreerde I3–I5-sessies. Biatleten hebben de extra uitdaging om de hartslag snel te laten dalen op de schietbaan.
Een PDF met je resultaten, plus een QR-code om ze altijd opnieuw te openen.
Set the same bands from your maximum heart rate. The reason this matters over a long season rather than a single week is cumulative: easy sessions that creep up to moderate cost more than they give, and the debt shows up in February, not in November. Managing training load covers how that accumulates.
What we can and cannot say about his week
His programme is not published, so this is not a place to invent one. What the results describe is a skier with twelve individual World Cup wins and more than thirty podiums, strong across distance formats, who has been consistently near the front for years without converting it into an Olympic medal.
That is not a criticism. Fourth in an Olympic interval start is a handful of seconds from a medal, and a season title is a harder thing to win than most single races.
What you can steal from it
- Decide which competition you are training for. A season of solid racing and one great day are different plans. Trying for both usually delivers neither.
- Consistency is a load-management skill. Being good in month four means being conservative in month one.
- Keep the easy work easy. I1 and I2 exist so that the hard sessions survive a whole winter.
- Taper is a real intervention, not a rest week. If you want one peak, plan the overload and the unloading around the date.
- A race result is one day of information. Judge a training system over a season, not a start list.
More in this series: Johannes Klæbo, Therese Johaug and Sturla Holm Lægreid.
Sources
Cover photo by Stein Langørgen, CC BY 4.0, via Wikimedia Commons.
