3-Sjøersløpet

What this race demands

This half marathon requires sustained aerobic endurance over a rolling gravel profile that covers 21.1 kilometers. Athletes must maintain steady pacing across varied lakeside terrain.

What would it take you?

Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.

A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.

IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal

Your road to race day

Race day at 3-Sjøersløpet is 11 weeks away. This is how a coach divides that time. The first phase starts now.

1. 01Build5 weeks · Aug 23, 2026 – Sep 26, 2026

   Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.

2. 02Peak3 weeks · Sep 27, 2026 – Oct 17, 2026

   The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.

3. 03Taper2 weeks · Oct 18, 2026 – Oct 31, 2026

   Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.

4. 04Race week1 week · Nov 1, 2026 – Nov 7, 2026

   Openers, rest and logistics. The work is done; the job now is arriving fresh.

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